阅读说明：本技术 一种电动车型滑移门门槛结构及设置有门槛结构的汽车 (Electric vehicle type sliding door threshold structure and automobile provided with threshold structure ) 是由 李亚伟 许安平 隋海鹰 于 2021-09-08 设计创作，主要内容包括：本发明涉及汽车设计与制造领域,具体而言,涉及一种电动车型滑移门门槛结构及设置有门槛结构的汽车。上述滑移门门槛结构包括滑轨盒总成和门槛边梁；其中,门槛边梁包括第一边梁板和第二边梁板,第一边梁板和第二边梁板围成一安装腔,且在第一边梁板和第二边梁板上设置有将第一边梁板、第二边梁板以及安装腔贯穿的通孔；滑轨盒总成设置在所述安装腔内,且一部分突出处在第二边梁板上的通孔,并处在地板面的上方；由于汽车的电池包是设置在地板面下方,而滑轨盒总成在竖直方向上处在地板面上方,那么滑轨盒总成在水平方向上向车内延伸就不会侵占电池包的布设空间。(The invention relates to the field of automobile design and manufacture, in particular to a threshold structure of an electric automobile type sliding door and an automobile with the threshold structure. The sliding door threshold structure comprises a sliding rail box assembly and a threshold boundary beam; the doorsill edge beam comprises a first edge beam plate and a second edge beam plate, a mounting cavity is defined by the first edge beam plate and the second edge beam plate, and through holes penetrating through the first edge beam plate, the second edge beam plate and the mounting cavity are formed in the first edge beam plate and the second edge beam plate; the slide rail box assembly is arranged in the mounting cavity, and part of the slide rail box assembly protrudes out of the through hole in the second edge beam plate and is positioned above the floor surface; because the battery pack of the automobile is arranged below the floor surface, and the slide rail box assembly is arranged above the floor surface in the vertical direction, the slide rail box assembly does not occupy the arrangement space of the battery pack when extending towards the inside of the automobile in the horizontal direction.)

1. A threshold structure of an electric vehicle type sliding door is characterized by comprising a slide rail box assembly and a threshold side beam;

the doorsill edge beam comprises a first edge beam plate and a second edge beam plate, the first edge beam plate and the second edge beam plate enclose a mounting cavity, and through holes penetrating through the first edge beam plate, the second edge beam plate and the mounting cavity are formed in the first edge beam plate and the second edge beam plate;

the slide rail box assembly is arranged in the mounting cavity, and part of the slide rail box assembly protrudes out of the through hole in the second edge beam plate and is positioned above the floor surface.

2. The doorsill structure of an electric vehicle type sliding door according to claim 1, wherein the sliding rail box assembly comprises a U-shaped plate and a guide rail arranged in the U-shaped plate;

the U-shaped plate is of a U-shaped structure with one open end and one closed end, penetrates through the through hole, and the closed end of the U-shaped plate protrudes out of the through hole in the second edge beam plate; one end of the opening is fixedly arranged on the through hole of the first side beam plate.

3. The doorsill structure of an electric vehicle type sliding door according to claim 2, wherein the U-shaped plate comprises a first wall plate and a second wall plate;

the guide rail is fixed on the inner wall of the first wall plate, and the distance from the guide rail to the opening end of the U-shaped plate is larger than the distance from the guide rail to the closed end of the U-shaped plate.

4. The doorsill structure of an electric vehicle type sliding door according to claim 3, characterized in that;

the second wall plate is provided with a support portion extending in the direction of the first wall plate.

5. The doorsill structure of an electric vehicle type sliding door according to claim 4, further comprising a sliding rail box patch assembly;

the slide rail box patch board assembly is of a U-shaped structure with one open end and one closed end, the part of the slide rail box assembly protruding out of the second side beam board is closed by the slide rail box patch board assembly, and the open end of the slide rail box patch board assembly is fixedly connected with the edge of the through hole in the second side beam board.

6. The doorsill structure of an electric vehicle type sliding door according to claim 5, further comprising a support plate;

the supporting plate is positioned in a cavity formed by the first edge beam plate, the second edge beam plate and the second wall plate, and the lower end of the supporting plate is fixed at the connecting part of the first edge beam and the second edge beam; the upper end of the supporting plate is fixedly connected with the second wall plate.

7. An automobile with the electric automobile type sliding door threshold structure as claimed in any one of claims 1 to 6, characterized by comprising a floor surface;

the floor surface is arranged below the slide rail box patch board assembly and is fixedly connected with the slide rail box patch board assembly.

8. The vehicle of claim 7, further comprising a seat beam assembly;

the seat beam assembly is arranged above the floor surface and fixedly connected with the second edge beam plate, and the slide rail box patch board assembly is positioned in a cavity formed by the seat beam assembly and the floor surface.

9. The automobile of claim 7 or 8, further comprising a battery pack case and a pressed member;

the battery pack shell is arranged below the floor surface, the pressing piece is arranged on one side of the opening of the battery pack shell, and the pressing piece is fixedly connected with the battery pack shell to form a cavity for arranging a battery pack;

the pressing piece comprises a flange edge, and the flange edge and the second edge beam plate are fixed through bolts.

10. The vehicle of claim 9, wherein;

a supporting structure is arranged inside the pressing piece;

the flange edge is of a crescent-shaped structure, one straight edge of the flange edge is in contact with the second edge beam plate, and the inclined edge opposite to the straight edge inclines towards the direction far away from the second edge beam plate.

Technical Field

The invention relates to the field of automobile design and manufacture, in particular to a threshold structure of an electric automobile type sliding door and an automobile with the threshold structure.

Background

In the field of automobile design and manufacture, a conventional sliding door sill structure generally includes: threshold boundary beam and the slide rail box assembly that the cooperation set up, in addition, in the lower part of floor face, still can cooperate to be provided with the battery package that is used for supplying power for electric automobile.

Referring specifically to fig. 1, a conventional rocker side sill is an integral structure, and in the horizontal direction, it is located at the opposite outer side of a floor surface, and in the vertical direction, it is located below the floor surface; the sliding rail box assembly for realizing the sliding effect of the door is arranged above the threshold boundary beam and below the floor surface, and one part of the sliding rail box assembly is fixedly arranged on the threshold boundary beam, and the other part of the sliding rail box assembly extends inwards and is arranged below the floor surface.

According to the arrangement structure, the slide rail box assembly extends from outside to inside and is positioned between the floor surface and the doorsill edge beam in the vertical direction, so that the slide rail box assembly inevitably occupies the space below the floor surface, and the battery pack is also arranged in the space below the floor surface of the automobile, so that the installation space of the battery pack is inevitably blocked by the slide rail box assembly, and the release of the installation space of the battery pack is not facilitated.

In addition, in the frame structure of the traditional automobile, the B column is directly connected with the threshold boundary beam, so that the B column is connected with the bottom frame of the automobile into a whole through the threshold boundary beam, and forces in different directions, which are generated on the automobile body by conditions such as bumping, turning, accelerating and the like in the driving process of the automobile, can be transferred to the top and the bottom of the automobile through the B column, so that the influence of the forces on the automobile body is reduced; in addition, if the automobile is in side collision, the B column can also reduce the impact of the collision impact force on the automobile body and the passengers on the automobile by transmitting the collision impact force and deforming the B column per se. In the traditional sliding door threshold structure, the sliding rail box assembly is arranged above the threshold boundary beam, so that the connecting area of the threshold boundary beam and the B column is reduced, and the capability of a vehicle body for bearing various forces generated by emergencies in the driving process and the impact force generated by side collision is obviously reduced.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

The invention provides a threshold structure of an electric vehicle type sliding door, which aims to solve the technical problem that a sliding rail box assembly occupies the arrangement space of a battery pack shell in the prior art;

in addition, the technical problem that in the prior art, the connecting area of the B column and the threshold side beam is reduced because the sliding rail box assembly is arranged above the threshold side beam is solved.

The invention provides a doorsill structure of an electric vehicle type sliding door, which comprises a slide rail box assembly and a doorsill boundary beam;

the doorsill edge beam comprises a first edge beam plate and a second edge beam plate, a mounting cavity is defined by the first edge beam plate and the second edge beam plate, and through holes penetrating through the first edge beam plate, the second edge beam plate and the mounting cavity are formed in the first edge beam plate and the second edge beam plate;

the slide rail box assembly is arranged in the mounting cavity, and part of the slide rail box assembly protrudes out of the through hole in the second edge beam plate and is positioned above the floor surface.

By adopting the structure, the first side beam plate and the second side beam plate enclose a mounting cavity, and the slide rail box assembly is fixedly mounted in the mounting cavity, so that the slide rail box assembly does not need to consider the connection with a vehicle body too much, and can be designed into a regular strip shape; in addition, the slide rail box assembly is located above the floor surface in the vertical direction, the battery pack is arranged below the floor surface, and the slide rail box assembly with the strip-shaped structure extends towards the inside of the vehicle, so that the space of a shell of the battery pack cannot be occupied, and the arrangement of the battery pack cannot be influenced.

In addition, because the slide rail box assembly is arranged in a cavity formed by the first side beam plate and the second side beam plate, the B column can be directly connected with the threshold side beam, and the B column can be connected with the bottom of the automobile body through the threshold side beam 3, so that in the driving process of the automobile, if bumping, turning, accelerating and other emergencies occur, the force from each direction on the automobile body can be transferred to the top and the bottom of the automobile through the B column, and the influence of the force in each direction on the automobile body is reduced; similarly, if a side collision occurs, a part of collision impact force can be transferred to the top and the bottom of the automobile through the B column, and meanwhile, the B column can also deform to absorb a part of energy, so that the damage of the side collision to the automobile body is reduced, and the safety of passengers in the automobile is ensured.

Preferably, the slide rail box assembly comprises a U-shaped plate and a guide rail arranged in the U-shaped plate;

the U-shaped plate of the slide rail box assembly penetrates through the through holes of the first side beam plate and the second side beam plate, and the closed end of the U-shaped plate protrudes out of the through hole in the second side beam plate; one end of the opening is fixedly arranged on the through hole of the first side beam plate.

In the structure, the opening end of the U-shaped plate is fixedly arranged on the through hole of the first side beam plate, and the U-shaped plate is a whole part, so that the through hole on the first side beam plate is connected into a whole through the U-shaped plate, the influence of the through hole on the threshold side beam structure is reduced, and the structural stability of the threshold side beam is improved.

Preferably, the U-shaped plate comprises a first wall plate and a second wall plate;

a guide rail of the slide rail box assembly is fixed on the inner wall of the first wall plate, and the distance from the guide rail to the opening end of the U-shaped plate is greater than the distance from the guide rail to the closed end of the U-shaped plate;

in addition, a first roller and a second roller of the automobile sliding door lower hinge assembly are arranged in the U-shaped plate, and the first roller of the sliding door lower hinge assembly is arranged in the guide rail and can slide in the guide rail; the second roller of the sliding door lower hinge assembly is opposite to the position of the guide rail and is arranged on the inner wall of the second wall plate.

Because the first roller of the lower hinge assembly of the sliding door rolls in the fixed guide rail, the moving direction of the sliding door can be controlled through the fixed guide rail.

Preferably, the second wall plate is provided with a support portion extending in the direction of the first wall plate.

By adopting the structure, the second wall plate is provided with the supporting part extending towards the direction of the first wall plate, so that the second wall plate comprises two parallel plate surfaces, and the rigidity of the second wall plate can be effectively improved by adopting the structure of the second wall plate; meanwhile, the second roller of the lower hinge assembly of the sliding door is arranged on the supporting part, so that the sliding door structure is supported, and the rolling precision of the second roller is improved.

Preferably, the doorsill structure of the present invention further comprises a slide rail box patch assembly;

the slide rail box patch board assembly is of a U-shaped structure with one open end and one closed end, the part of the slide rail box assembly protruding out of the second boundary beam board is closed by the slide rail box patch board assembly, and the open end of the slide rail box patch board assembly is fixedly connected with the edge of the through hole in the second boundary beam board.

By adopting the structure, the slide rail box patch board assembly not only seals the part of the slide rail box assembly protruding out of the second side beam board, but also seals the through hole of the second side beam board; in addition, the sliding rail box patch plate assembly is also equivalent to an integral part, so that two sides of the opening of the second boundary beam plate are connected into a whole through the sliding rail box patch plate assembly, the influence of the through hole on the structure of the threshold boundary beam is reduced, and the structural stability of the threshold boundary beam is improved.

Preferably, the sliding door sill structure further comprises a support plate;

the supporting plate is positioned in a cavity formed by the first edge beam plate, the second edge beam plate and the second wall plate, and the lower end of the supporting plate is fixed at the connecting part of the first edge beam and the second edge beam; the upper end of the supporting plate is fixedly connected with the second wall plate.

In the structure, the fixing point at the upper end of the supporting plate is positioned on the right side of the fixing point at the lower end in the vertical direction, so that the part of the supporting plate in the cavity inclines to the direction of the vehicle body by a certain angle, and the rigidity of the supporting plate can be improved by adopting the connecting mode; because the upper end of the supporting plate is fixed with the second wall plate, the lower end of the supporting plate is connected with the doorsill edge beam in an indefinite manner, and the supporting plate can also play a certain supporting role in the sliding rail box assembly.

An automobile with any one of the electric automobile type sliding door threshold structures comprises a floor surface;

the floor surface is arranged below the sliding rail box patch board assembly and is fixedly connected with the sliding rail box patch board assembly.

In the vertical direction, the slide rail box patch board assembly and the slide rail box assembly are both arranged above the floor surface, and the battery pack shell is arranged below the floor surface, so that the slide rail box assembly does not influence the arrangement of the battery pack shell in the horizontal direction by extending inwards.

Preferably, the automobile further comprises a seat beam assembly;

the seat beam assembly is arranged above the floor surface, the seat beam assembly is fixedly connected with the second edge beam plate, and the sliding rail box patch board assembly is positioned in a cavity formed by the seat beam assembly and the floor surface.

By adopting the structure, the threshold side beam structure of the sliding door is connected with the bottom frame of the automobile through the seat cross beam assembly and the floor surface, and the B column can also be connected with the bottom frame of the automobile through the threshold side beam structure, so that in the driving process of the automobile, if sudden conditions such as bumping, turning, acceleration and the like occur, the force from each direction on the automobile body can be transferred to the top and the bottom of the automobile through the B column, and the influence of the force in each direction on the automobile body is reduced; similarly, if a side collision occurs, a part of collision impact force can be transferred to the top and the bottom of the automobile through the B column, so that the damage of the side collision to the automobile body is reduced, and the safety of passengers in the automobile is ensured.

Preferably, the automobile further comprises a battery pack case and a pressed piece;

the battery pack shell is arranged below the floor surface, the pressing piece is arranged on one side of the opening of the battery pack shell, and the pressing piece is fixedly connected with the battery pack shell to form a cavity for arranging the battery pack.

The pressing piece further comprises a flange edge, and the flange edge of the pressing piece is fixed with the second edge beam plate through bolts.

The presswork is connected with battery can body fixed connection, and the presswork links to each other with car bottom frame promptly, and the flange limit of presswork sets up in second boundary beam board below to through the bolt fastening, the flange limit of presswork just so can play the supporting role to second boundary beam board.

Preferably, a support structure is arranged inside the pressing piece;

the flange edge is of a crescent structure; one straight edge of the flange edge is contacted with the second edge beam plate, and the inclined edge opposite to the straight edge inclines towards the direction far away from the second edge beam plate.

The supporting structure is arranged in the pressed piece, so that the rigidity and the structural stability of the pressed piece can be improved; the flange is fixedly connected with the second edge beam plate through bolts, the distance from the straight edge of the flange to the second edge beam plate is smaller than the distance from the inclined edge of the flange to the second edge beam plate, the crescent-shaped structure is that the upper wall of the flange is a horizontal straight edge, the left wall is a vertical straight edge, the lower wall is composed of a horizontal straight edge and a hem deviating from the upper wall, and the shape of the crescent-shaped structure is similar to that of a horizontal crescent-shaped structure; the lower wall of the flange edge is provided with an inclined structure, so that the rigidity of the flange edge can be improved.

In summary, in the threshold structure of the sliding door of the invention, the slide rail box assembly passes through the through hole of the threshold edge beam, so that the projecting part of the slide rail box assembly is positioned above the floor surface, the projecting part of the slide rail box assembly is sealed by the slide rail box patch assembly, and the threshold structure of the sliding door is fixed with the vehicle body by the seat beam assembly, the floor surface and the pressing piece;

therefore, the slide rail box assembly is located above the floor surface in the vertical direction, and the battery pack shell is arranged below the floor surface, so that the slide rail box assembly extends inwards in the horizontal direction, and the slide rail box assembly cannot occupy the position of the battery pack shell, and further the arrangement of the battery pack is influenced.

In addition, because the slide rail box assembly is arranged in the cavity of the threshold boundary beam, the connection relation between the B column and the threshold boundary beam cannot be influenced, the B column can be directly connected with the threshold boundary beam, and the B column can be connected with the bottom of the automobile body through the threshold boundary beam 3, so that in the driving process of the automobile, if sudden conditions such as bumping, turning, acceleration and the like occur, the force from each direction on the automobile body can be transferred to the top and the bottom of the automobile through the B column, and the influence of the force in each direction on the automobile body is reduced; similarly, if a side collision occurs, a part of collision impact force can be transferred to the top and the bottom of the automobile through the B column, so that the damage of the side collision to the automobile body is reduced, and the safety of passengers in the automobile is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a conventional sliding door sill structure;

in the drawings, the reference numerals denote the following components:

a slide rail box assembly-a; a threshold edge beam-C; floor surface-2; a battery pack case-6.

FIG. 2 is a schematic view of a sliding door sill structure configured with a first roller and a second roller of a sliding door lower hinge assembly according to the present invention;

FIG. 3 is a schematic view of a sill edge beam;

FIG. 4 is a schematic view of a slide rail box assembly configured with first and second rollers of a sliding door lower hinge assembly;

in the drawings, the reference numerals denote the following components:

a slide rail box assembly-1; floor surface-2; a threshold edge beam-3; a slide rail box patch assembly-4; a seat beam assembly-5; a battery pack case-6; pressing piece-7; flange-8;

a first side rail panel-301; a second side beam panel-302; a support portion-303;

a U-shaped plate-101; a first wall-102; a second wall panel-103; -104 of a guide rail; a first roller-105; a second roller-106; a support part-107.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Referring to fig. 2-4, in an embodiment of the present invention, an electric vehicle type sliding door sill structure is provided, which includes a sliding rail box assembly 1 and a sill edge beam 3; the threshold boundary beam 3 comprises a first boundary beam plate 301 and a second boundary beam plate 302, the first boundary beam plate 301 and the second boundary beam plate 302 enclose a mounting cavity, and through holes penetrating through the first boundary beam plate 301, the second boundary beam plate 302 and the mounting cavity are formed in the first boundary beam plate 301 and the second boundary beam plate 302; the slide rail box assembly 1 is disposed in the mounting cavity, and a part of the slide rail box assembly protrudes from the through hole on the second side beam plate 302 and is located above the floor surface 2.

As a further preferred embodiment, in addition to the above-mentioned solutions, specific examples of the present invention may further include one or more of the following additions or combinations;

the slide rail box assembly 1 comprises a U-shaped plate 101 and a guide rail 104 arranged in the U-shaped plate 101;

the U-shaped plate 101 of the slide rail box assembly 1 penetrates through the through holes of the first side beam plate 301 and the second side beam plate 302, and the closed end of the U-shaped plate protrudes out of the through hole on the second side beam plate 302; one end of the opening is fixedly arranged on the through hole of the first side beam plate 301;

further, U-shaped plate 101 comprises a first wall plate 102 and a second wall plate 103;

the guide rail 104 of the slide rail box assembly 1 is fixed on the inner wall of the first wall plate 102, and the distance from the guide rail 104 to the open end of the U-shaped plate 101 is greater than the distance from the guide rail 104 to the closed end of the U-shaped plate 101;

in addition, a first roller 105 and a second roller 106 of the automobile sliding door lower hinge assembly are arranged inside the U-shaped plate 101, and the first roller 105 of the sliding door lower hinge assembly is arranged in the guide rail 104 and can slide in the guide rail 104; a second roller 106 of the sliding door lower hinge assembly is opposite to the position of the guide rail 104 and is arranged on the inner wall of the second wall plate 103;

furthermore, the second wall plate 103 is provided with a supporting part 107 extending towards the first wall plate 102, and the second roller 106 of the sliding door lower hinge assembly is arranged on the supporting part 107;

the threshold structure of the invention also comprises a slide rail box patch board assembly 4;

the slide rail box patch assembly 4 is of a U-shaped structure with an opening at one end and a closed end, the slide rail box patch assembly 4 closes the part of the slide rail box assembly 1 protruding out of the second side beam plate 302, and the opening end of the slide rail box patch assembly 4 is fixedly connected with the edge of the through hole on the second side beam plate 302;

the sliding door threshold structure also comprises a supporting plate;

the supporting plate is positioned in a cavity formed by the first edge beam plate 301, the second edge beam plate 302 and the second wall plate 103, and the lower end of the supporting plate is fixed at the connecting part of the first edge beam and the second edge beam; the upper end of the support plate is fixedly connected to the second wall plate 103.

In another embodiment of the present invention, as shown in fig. 2, there is provided an automobile including the above rocker structure, including a floor surface 2; the floor surface 2 is arranged below the sliding rail box patch board assembly 4, and the floor surface 2 is fixedly connected with the sliding rail box patch board assembly;

the vehicle further includes a seat beam assembly 5; the seat beam assembly 5 is arranged above the floor surface 2, the seat beam assembly 5 is fixedly connected with the second side beam plate 302, and the slide rail box patch board assembly 4 is positioned in a cavity formed by the seat beam assembly 5 and the floor surface 2;

the above-mentioned automobile further includes a battery pack case 6 and a pressed member 7; the battery pack shell 6 is arranged below the floor surface 2, the pressing piece 7 is arranged on one side of the opening of the battery pack shell 6, and the pressing piece 7 is fixedly connected with the battery pack shell 6 to form a cavity for arranging a battery pack. The pressed piece 7 further comprises a flange edge 8, and the flange edge 8 of the pressed piece 7 is fixed with the second edge beam plate 302 through bolts;

a supporting structure is arranged inside the pressing piece 7; the flange edge is of a crescent-shaped structure, one straight edge of the flange edge is in contact with the second edge beam plate, and the inclined edge opposite to the straight edge inclines towards the direction far away from the second edge beam plate.

In a specific embodiment of the present invention, as shown in fig. 2 to 4, the electric vehicle type sliding door sill structure includes: the side sill assembly comprises a side sill 3, a slide rail box assembly 1 and a slide rail box patch board assembly 4, wherein the side sill 3 comprises a first side sill board 301 and a second side sill board 302, the outer layer of the upper part of the first side sill board 301 is an outer layer metal board of an automobile, the first side sill board 301 and the second side sill board 302 form a mounting cavity, through holes penetrating through the first side sill board 301, the mounting cavity and the second side sill board 302 are formed in the first side sill board 301 and the second side sill board 302, and the slide rail box assembly 1 is arranged in the mounting cavity; the slide rail box assembly 1 is a U-shaped structure with an open end and a closed end, the open end of the slide rail box assembly 1 is matched with the through hole on the first side beam plate 301 and is fixedly connected with the first side beam plate 301, and the closed end of the slide rail box assembly 1 protrudes rightwards out of the through hole of the second side beam plate 302; meanwhile, the slide rail box patch assembly 4 is also of a U-shaped structure with one open end and one closed end, and the open end of the slide rail box patch assembly 4 is matched with and fixedly connected with the edge of the through hole of the second side beam plate 302, so that the part of the slide rail box assembly 1 protruding out of the second side beam plate 302 is sealed through the slide rail box patch assembly 4;

the slide rail box assembly 1 comprises a U-shaped plate 101 and a guide rail 104, the U-shaped plate comprises a first wall plate 102 and a second wall plate 103, the guide rail 104 is arranged inside the first wall plate 102, and the guide rail 104 is far away from the open end of the slide rail box assembly 1 and is close to the closed end of the slide rail box assembly 1; the first roller 105 of the sliding door lower hinge assembly is arranged in the guide rail 104 and can roll in the guide rail 104, the second wall plate 103 is provided with a supporting part 107 extending towards the first wall plate 102, the right end of the supporting part 107 is connected with the closed end of the slide rail box assembly 1, and the second roller 106 of the sliding door lower hinge assembly corresponds to the guide rail 104 and is arranged on the supporting part 107 of the second wall plate 103; in addition, the left side of the second wall plate 103 is also provided with a bending structure;

the structure of the supporting portion 107 provided on the second wall plate 103 and the bending structure provided on the second wall plate can improve the rigidity of the second wall plate 103, and further improve the rigidity of the slide rail box assembly 1;

the doorsill structure further comprises a supporting plate, the lower end of the supporting plate is fixed at the joint of the first side beam plate 301 and the second side beam plate 302, the upper end of the supporting plate is fixed on the outer side of the second wall plate 103, and in the vertical direction, a fixed point at the upper end of the supporting plate is located on the right side of a fixed point at the lower end, so that the supporting plate is provided with an inclined structure, and the rigidity of the supporting plate can be improved due to the inclined structure of the supporting plate;

in a specific embodiment of the present invention, as shown in fig. 2, the vehicle provided with the rocker side beam 3 structure comprises a seat beam assembly 5, a floor surface 2, a battery pack case 6, and a pressing member 7, wherein one end of the seat beam assembly 5 is fixed on the upper portion of the second side beam plate 302, the floor surface 2 is fixedly connected with the lower wall of the slide rail box patch assembly 4, so that the slide rail box patch assembly is located in a cavity enclosed by the seat beam assembly 5 and the floor surface 2;

the pressing piece 7 is arranged at the left opening of the battery pack shell 6, the upper end of the pressing piece 7 is fixed with the battery pack shell 6 through a bolt, and the lower end of the pressing piece 7 is fixedly connected with the battery pack shell 6, so that a closed cavity for arranging a battery pack is formed; a supporting structure is arranged in the pressing piece 7, so that the rigidity of the pressing piece 7 can be further improved;

the pressed part 7 further comprises a flange edge 8, the flange edge 8 is arranged below the second side beam plate 302 and fixed with the second side beam plate 302 through bolts, and the function of supporting the second side beam plate 302 is achieved; the position of the lower wall of the flange 8 contacting the main body of the pressed piece 7 is offset downwards by a certain distance, so that the lower wall of the flange 8 has an inclined structure, and the inclined structure can further improve the rigidity of the flange 8.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.