CN219096818U - Threshold beam and vehicle - Google Patents

Abstract

The utility model discloses a threshold beam and a vehicle, wherein the threshold beam comprises: the door sill beam comprises a door sill beam body and a buffering energy absorbing piece, wherein a cavity is formed in the door sill beam body, the buffering energy absorbing piece is arranged in the cavity, the buffering energy absorbing piece comprises a buffering energy absorbing framework and a structural colloid, and the structural colloid is arranged on the buffering energy absorbing framework. According to the threshold beam disclosed by the embodiment of the utility model, the buffer energy absorbing piece is arranged in the cavity of the threshold beam body, so that the energy absorbing effect of the threshold beam can be enhanced, the anti-collision performance of the threshold beam is ensured, when a vehicle collides laterally, the buffer energy absorbing piece can absorb part of collision energy, the deformation of the threshold beam is effectively reduced, and the safety performance of the vehicle is ensured; for example, when the battery pack is arranged at the lower part of the floor of the vehicle, serious deformation of the threshold beam and extrusion of the battery pack can be avoided, so that potential safety hazards are avoided.

Description

Threshold beam and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a threshold beam and a vehicle.

Background

When a vehicle collides laterally, a threshold beam of the vehicle is stressed and is easy to deform seriously, so that the threshold beam has excessive invasion into the vehicle, and the safety performance of the vehicle is affected; for a new energy automobile, a battery pack is generally arranged at the lower part of the floor of the automobile, when the automobile is in side collision, the invasion amount of a threshold beam into the automobile is too large, and the battery pack is easy to squeeze, so that potential safety hazards are caused.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, one object of the present utility model is to provide a threshold beam, in which a buffering energy absorbing member is disposed in a cavity of a threshold beam body, the buffering energy absorbing member includes a buffering energy absorbing skeleton and a structural colloid disposed on the buffering energy absorbing skeleton, both the buffering energy absorbing skeleton and the structural colloid can absorb collision energy, so that an energy absorbing effect of the threshold beam can be enhanced, an anti-collision performance of the threshold beam is ensured, and when a vehicle collides laterally, the buffering energy absorbing member can absorb part of collision energy, thereby effectively reducing deformation of the threshold beam and ensuring safety performance of the vehicle; for example, when the battery pack is arranged at the lower part of the floor of the vehicle, serious deformation of the threshold beam and extrusion of the battery pack can be avoided, so that potential safety hazards are avoided.

The utility model further provides a vehicle with the threshold beam.

According to an embodiment of the first aspect of the utility model, a threshold beam comprises: the door sill comprises a door sill body, wherein a cavity is formed in the door sill body; the buffering energy-absorbing piece is arranged in the cavity and comprises a buffering energy-absorbing framework and a structural colloid, and the structural colloid is arranged on the buffering energy-absorbing framework.

According to the threshold beam disclosed by the embodiment of the utility model, the buffer energy absorbing piece is arranged in the cavity of the threshold beam body, and comprises the buffer energy absorbing framework and the structural colloid arranged on the buffer energy absorbing framework, so that the buffer energy absorbing framework and the structural colloid can absorb collision energy, the energy absorbing effect of the threshold beam can be enhanced, the anti-collision performance of the threshold beam is ensured, and when a vehicle collides laterally, the buffer energy absorbing piece can absorb part of collision energy, the deformation of the threshold beam is effectively reduced, and the safety performance of the vehicle is ensured; for example, when the battery pack is arranged at the lower part of the floor of the vehicle, serious deformation of the threshold beam and extrusion of the battery pack can be avoided, so that potential safety hazards are avoided.

According to some embodiments of the utility model, at least part of the structural colloid is arranged at the left side and the right side of the buffering energy-absorbing framework.

According to some optional embodiments of the utility model, the structural colloid comprises a first colloid portion, a second colloid portion and a third colloid portion, wherein the first colloid portion and the second colloid portion are positioned at the left side and the right side of the buffering energy-absorbing framework, and the third colloid portion is positioned at the bottom surface of the buffering energy-absorbing framework.

In some optional embodiments of the present utility model, an avoidance hole is formed on the bottom surface of the buffering energy-absorbing framework, the avoidance hole is used for avoiding a hole structure formed by the bottom wall of the cavity, a glue blocking structure is formed on the peripheral side of the avoidance hole, and at least part of the glue blocking structure extends along the circumferential direction of the avoidance hole.

According to some optional embodiments of the present utility model, an accommodating groove is formed on an outer surface of the buffering energy-absorbing skeleton, a portion of the structural colloid disposed on the outer surface of the buffering energy-absorbing skeleton is a buffering energy-absorbing layer, and the buffering energy-absorbing layer is accommodated in the accommodating groove.

According to some optional embodiments of the utility model, a cavity energy absorbing structure is formed in the buffering energy absorbing skeleton; and/or the buffering energy-absorbing framework is a plastic piece.

According to some optional embodiments of the present utility model, the buffering and energy absorbing skeleton is a plastic piece, the buffering and energy absorbing piece further comprises a connecting bracket, the connecting bracket is a metal piece, the connecting bracket is welded with the inner wall of the cavity or connected through a fastener, and the buffering and energy absorbing skeleton and the connecting bracket are integrally injection molded.

According to some optional embodiments of the present utility model, an avoidance groove is formed on the upper surface of the buffering energy-absorbing skeleton, and the avoidance groove is used for avoiding an operation space for connecting the threshold beam body with other components.

According to some optional embodiments of the present utility model, a first positioning hole and a second positioning hole are formed at opposite ends of the buffering energy-absorbing skeleton, a third positioning hole corresponding to the first positioning hole and a fourth positioning hole corresponding to the second positioning hole are formed on an inner wall of the cavity, a first positioning piece is penetrating through the first positioning hole and the third positioning hole, a second positioning piece is penetrating through the second positioning hole and the fourth positioning hole, and inner diameters of the first positioning hole and the second positioning hole are different.

According to an embodiment of the second aspect of the present utility model, a vehicle includes: a vehicle body including a threshold beam according to the embodiment of the first aspect of the utility model described above; and the battery pack is installed at the bottom of the car body and is positioned at the inner side of the threshold beam.

According to the vehicle provided by the embodiment of the utility model, the threshold beam is arranged, the buffer energy absorbing piece is arranged in the cavity of the threshold beam body, the buffer energy absorbing piece comprises the buffer energy absorbing framework and the structural colloid arranged on the buffer energy absorbing framework, the buffer energy absorbing framework and the structural colloid can absorb collision energy, the energy absorbing effect of the threshold beam can be enhanced, the anti-collision performance of the threshold beam is ensured, and when the vehicle collides laterally, the buffer energy absorbing piece can absorb part of collision energy, so that the deformation of the threshold beam is effectively reduced, and the safety performance of the vehicle is ensured; for example, when the battery pack is arranged at the lower part of the floor of the vehicle, serious deformation of the threshold beam and extrusion of the battery pack can be avoided, so that potential safety hazards are avoided.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic illustration of an assembly of a cushioning energy absorber with a threshold beam body according to some embodiments of the present utility model;

FIG. 2 is an exploded view of the cushioning energy absorber of FIG. 1;

FIG. 3 is a schematic structural view of the cushioning energy absorbing skeleton of FIG. 2;

FIG. 4 is a schematic view of the cushioning energy-absorbing skeleton of FIG. 3 at another angle.

Reference numerals:

1000. a vehicle body; 100. a threshold beam; 200. a B column reinforcing plate;

1. a buffering energy absorbing member; 11. buffering and energy absorbing frameworks; 111. avoidance holes; 112. a glue blocking structure; 113. an accommodating groove; 114. a cavity energy absorbing structure; 115. reinforcing ribs; 116. avoiding the groove; 117. a first positioning hole; 118. a second positioning hole; 119. embedding a structure; 12. structural colloid; 120. a buffer energy absorption layer; 121. a first colloid portion; 122. a second colloid portion; 123. a third colloid portion; 124. a fourth colloid portion; 13. a connecting bracket; 14. a first positioning member; 15. a second positioning member;

2. a threshold beam body.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A rocker 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1, a rocker 100 according to an embodiment of the first aspect of the utility model comprises: the energy absorption member 1 is absorbed to threshold roof beam body 2 and buffering, and the inside of threshold roof beam body 2 has the cavity, and buffering energy absorption member 1 locates in the cavity, and buffering energy absorption member 1 includes buffering energy absorption skeleton 11 and structure colloid 12, and buffering energy absorption skeleton 11 is located to structure colloid 12.

For example, the cushioning energy absorber 1 may be one; alternatively, the number of the cushion members 1 may be plural. For example, referring to fig. 1, the cushioning energy absorber 1 may be disposed within a cavity of the rocker body 2 below the B-pillar.

The buffering energy-absorbing framework 11 and the structural colloid 12 of the buffering energy-absorbing piece 1 can absorb collision energy to play a certain role in buffering, and the buffering energy-absorbing piece 1 is arranged in the cavity in the door sill beam body 2, so that the anti-collision performance of the door sill beam 100 can be ensured; in the event of a side collision of the vehicle, part of the collision energy is absorbed by the cushion energy absorber 1 to prevent the serious deformation of the rocker 100 due to the stress, thereby ensuring the safety performance of the vehicle. For example, the vehicle may be a new energy automobile, and the lower part of the floor of the vehicle may be provided with a battery pack, and when the vehicle collides laterally, part of collision energy is absorbed by the buffering energy absorber 1 in the threshold beam 100, so as to avoid serious deformation of the threshold beam 100 due to stress, and avoid the situation that the battery pack is extruded due to overlarge intrusion of the threshold beam 100 into the vehicle, thereby avoiding potential safety hazards.

According to the threshold beam 100 provided by the embodiment of the utility model, the buffer energy absorbing piece 1 is arranged in the cavity of the threshold beam body 2, the buffer energy absorbing piece 1 comprises the buffer energy absorbing framework 11 and the structural colloid 12 arranged on the buffer energy absorbing framework 11, the buffer energy absorbing framework 11 and the structural colloid 12 can absorb collision energy, the energy absorbing effect of the threshold beam 100 can be enhanced, the anti-collision performance of the threshold beam 100 is ensured, when a vehicle collides laterally, the buffer energy absorbing piece 1 can absorb part of collision energy, the deformation of the threshold beam 100 is effectively reduced, and the safety performance of the vehicle is ensured; for example, when the battery pack is provided at the lower portion of the floor of the vehicle, the serious deformation of the threshold beam 100 and the squeezing of the battery pack can be avoided to avoid the potential safety hazard.

Referring to fig. 1 and 2, according to some embodiments of the present utility model, a cushioning energy absorbing member 1 includes a cushioning energy absorbing skeleton 11 and a structural gel 12, wherein the structural gel 12 is disposed on the cushioning energy absorbing skeleton 11, and at least a portion of the structural gel 12 is disposed on left and right sides of the cushioning energy absorbing skeleton 11. At least part of the structural colloid 12 is arranged at the left side and the right side of the buffering energy-absorbing framework 11, and the following situations can be included: for example, one part of the structural colloid 12 is arranged at the left side of the buffering and energy-absorbing framework 11, and the other part of the structural colloid 12 is arranged at the right side of the buffering and energy-absorbing framework 11; or, one part of the structural colloid 12 is arranged at the left side and the right side of the buffering energy-absorbing framework 11, and the other part of the structural colloid 12 is arranged at other parts of the buffering energy-absorbing framework 11.

For example, the left side of the cushioning energy-absorbing skeleton 11 is abutted with the threshold beam body 2, the right side of the cushioning energy-absorbing skeleton 11 is also abutted with the threshold beam body 2, when the threshold beam body 2 is subjected to a collision, the threshold beam body 2 can transmit collision energy to the cushioning energy-absorbing skeleton 11, and the cushioning energy-absorbing skeleton 11 can absorb part of the collision energy. The structural colloid 12 has a good energy absorption effect, and the buffering effect and the energy absorption effect of the buffering energy absorber 1 can be further enhanced by arranging at least part of the structural colloid 12 on the left side and the right side of the buffering energy absorption framework 11.

For example, when the buffering energy absorbing member 1 is assembled, the structural colloid 12 may be injected into the buffering energy absorbing skeleton 11 first, and the structural colloid 12 injected into the buffering energy absorbing skeleton 11 may be heated, and the structural colloid 12 is expanded by heating; then, the buffering and energy absorbing piece 1 is installed in the cavity of the threshold beam body 2, and the structural colloid 12 and the buffering and energy absorbing framework 11 can fill the cavity of the threshold beam body 2 in the left-right direction. When the threshold beam body 2 is impacted, the threshold beam body 2 can transmit the impact energy to the buffering energy-absorbing framework 11, the threshold beam body 2 can transmit the impact energy to the structural colloid 12, and the structural colloid 12 can absorb part of the impact energy, so that the energy-absorbing effect of the buffering energy-absorbing piece 1 is enhanced, and the anti-collision performance of the threshold beam 100 is enhanced.

Referring to fig. 1 and 2, according to some alternative embodiments of the present utility model, the structural colloid 12 includes a first colloid portion 121, a second colloid portion 122, and a third colloid portion 123, the first colloid portion 121 and the second colloid portion 122 are located at left and right sides of the cushioning energy absorbing skeleton 11, the third colloid portion 123 is located at a bottom surface of the cushioning energy absorbing skeleton 11, the structural colloid 12 may absorb collision energy in multiple directions of the threshold beam body 2 to avoid serious deformation of the threshold beam body 2, for example, the structural colloid 12 may further include a fourth colloid portion 124, the fourth colloid portion 124 may be located at an inner side of the cushioning energy absorbing skeleton 11, and the fourth colloid portion 124 may connect the first colloid portion 121 and the second colloid portion 122.

For example, the first colloid portion 121 may be located at a side of the cushioning energy-absorbing skeleton 11 facing the inside of the vehicle, and the second colloid portion 122 may be located at a side of the cushioning energy-absorbing skeleton 11 facing the outside of the vehicle; the rocker 100 shown in fig. 1 may be the rocker 100 on the left side of the vehicle body 1000, wherein the first colloid portion 121 is located on the right side of the cushioning energy absorbing skeleton 11, and wherein the second colloid portion 122 is located on the left side of the cushioning energy absorbing skeleton 11.

Referring to fig. 3 and fig. 4, in some alternative embodiments of the present utility model, an avoidance hole 111 is formed on the bottom surface of the buffering energy absorbing skeleton 11, where the avoidance hole 111 is used to avoid a hole structure formed by the bottom wall of the cavity, for example, the hole structure formed on the bottom wall of the cavity may be a mounting hole and a wax injection hole, and the setting of the avoidance hole 111 may avoid that other operations on the threshold beam body 2 are affected after the buffering energy absorbing member 1 is set in the cavity.

Referring to fig. 4, a glue blocking structure 112 is formed at an outer circumferential side of the escape hole 111, and at least a portion of the glue blocking structure 112 extends in a circumferential direction of the escape hole 111; the bottom surface of buffering energy-absorbing skeleton 11 is equipped with third colloid portion 123, keeps off glued structure 112 can prevent that third colloid portion 123 from being heated to expand and shelter from dodging hole 111, avoids third colloid portion 123 to shelter from the pore structure that the diapire of cavity formed. For example, the glue blocking structure 112 may protrude downward by 3mm compared to the third glue portion 123.

Referring to fig. 2 to 4, according to some alternative embodiments of the present utility model, the outer surface of the buffering and energy absorbing skeleton 11 is formed with the receiving groove 113, the portion of the structural colloid 12 disposed on the outer surface of the buffering and energy absorbing skeleton 11 is the buffering and energy absorbing layer 120, and the buffering and energy absorbing layer 120 is received in the receiving groove 113, so that the energy absorbing effect of the buffering and energy absorbing piece 1 can be increased, and the space saving is facilitated. For example, the receiving groove 113 may be formed at left and right sides and bottom surfaces of the buffering and energy absorbing frame 11, the first and second colloid portions 121 and 122 are located at left and right sides of the buffering and energy absorbing frame 11, the third colloid portion 123 is located at bottom surfaces of the buffering and energy absorbing frame 11, the first, second and third colloid portions 121, 122 and 123 are all located at outer surfaces of the buffering and energy absorbing frame 11, and the first, second and third colloid portions 121, 122 and 123 may serve as the buffering and energy absorbing layer 120.

Referring to fig. 1-3, according to some alternative embodiments of the present utility model, a cavity energy absorbing structure 114 is formed in the cushioning energy absorbing skeleton 11, and the cavity energy absorbing structure 114 may also absorb part of the collision energy to enhance the energy absorbing performance of the cushioning energy absorbing member 1, so as to further ensure the anti-collision performance of the threshold beam 100. For example, the cavity energy absorbing structure 114 may have reinforcing ribs 115, where the reinforcing ribs 115 may enhance the structural strength of the cushioning energy absorbing skeleton 11, and may enhance the energy absorbing effect of the cushioning energy absorber 1, thereby further ensuring the anti-collision performance of the threshold beam 100.

The buffering and energy-absorbing framework 11 is a plastic piece, the weight of the plastic piece is lighter, the cost is lower, the whole weight of the buffering and energy-absorbing piece 1 is reduced, and the cost can be saved.

According to some alternative embodiments of the present utility model, the buffering and energy absorbing skeleton 11 is a plastic piece, the buffering and energy absorbing piece 1 further includes a connecting bracket 13, the connecting bracket 13 is a metal piece, the connecting bracket 13 can be welded to the inner wall of the cavity, or the connecting bracket 13 can be connected to the inner wall of the cavity through a fastener, so that the installation stability of the buffering and energy absorbing piece 1 is relatively strong; the buffer energy-absorbing framework 11 and the connecting support 13 are integrally injection molded, so that the connection strength between the buffer energy-absorbing framework 11 and the connecting support 13 can be enhanced, the overall stability is stronger, assembly parts between the buffer energy-absorbing framework 11 and the connecting support 13 can be omitted, and assembly procedures are reduced.

For example, referring to fig. 2, according to some embodiments of the present utility model, the connection bracket 13 is in an "L" shape, the lower portion of the connection bracket 13 is a flange portion, the upper portion of the connection bracket 13 is a connection portion, the flange portion is integrally injection molded with the buffering energy-absorbing skeleton 11, and the connection portion is welded to the inner wall of the cavity. The two connecting brackets 13 are arranged, the front end and the rear end of the buffering energy-absorbing framework 11 are respectively provided with an embedded structure 119, one connecting bracket 13 and the embedded structure 119 at the front end of the buffering energy-absorbing framework 11 are integrally formed by injection molding, and the other connecting bracket 13 and the embedded structure 119 at the rear end of the buffering energy-absorbing framework 11 are integrally formed by injection molding.

Referring to fig. 1 and 3, according to some alternative embodiments of the present utility model, an avoidance groove 116 is formed on the upper surface of the buffering energy-absorbing skeleton 11, and the avoidance groove 116 is used for avoiding an operation space for connecting the threshold beam body 2 with other components, so that the buffering energy-absorbing member 1 is prevented from interfering with the connection between the threshold beam body 2 and other components, and the operation is convenient. For example, when the rocker body 2 is welded to the B-pillar reinforcement panel 200 and the side body outer panel, the welding tool may pass through the avoidance groove 116 to weld the welding points on the rocker body 2.

Referring to fig. 2 and 3, according to some alternative embodiments of the present utility model, first positioning holes 117 and second positioning holes 118 are formed at opposite ends of the buffering and energy absorbing skeleton 11, third positioning holes and fourth positioning holes are formed on an inner wall of the cavity, the third positioning holes correspond to the first positioning holes 117, the fourth positioning holes correspond to the second positioning holes 118, the first positioning pieces 14 are penetrated through the first positioning holes 117 and the third positioning holes, the second positioning pieces 15 are penetrated through the second positioning holes 118 and the fourth positioning holes, and the buffering and energy absorbing skeleton 11 can be mounted on the inner wall of the cavity, so that the buffering and energy absorbing pieces 1 can be mounted on the inner wall of the cavity with high mounting stability; the inner diameters of the first positioning hole 117 and the second positioning hole 118 are different, so that the buffer absorber 1 can be prevented from being assembled wrongly. For example, the inner diameters of the third positioning hole and the fourth positioning hole are different, and the first positioning member 14 and the second positioning member 15 are different in size; the first positioning piece 14 and the second positioning piece 15 may be buckles, the first positioning piece 14 may clamp the first positioning hole 117 and the third positioning hole, and the second positioning piece 15 may clamp the second positioning hole 118 and the fourth positioning hole.

For example, the rocker 100 shown in fig. 1 may be the rocker 100 on the left side of the vehicle body 1000, the front end of the cushioning energy-absorbing skeleton 11 is formed with a first positioning hole 117, and the rear end of the cushioning energy-absorbing skeleton 11 is formed with a second positioning hole 118, wherein the inner diameter of the first positioning hole 117 may be 8mm, and the inner diameter of the second positioning hole 118 may be 6mm. The third positioning hole may be identical to the inner diameter of the first positioning hole 117, and the inner diameter of the third positioning hole is 8mm; the fourth locating hole may be identical to the inner diameter of the second locating hole 118 and the inner diameter of the fourth locating hole is 6mm.

Referring to fig. 1, a vehicle according to an embodiment of a second aspect of the present utility model includes: vehicle body 1000 and battery pack, vehicle body 1000 includes rocker 100 according to the above-described first aspect of the present utility model, and for example, vehicle body 1000 may further include B-pillar reinforcement panel 200 connected to rocker 100. The battery package is installed in the bottom of automobile body 1000, and the battery package is located the inboard of threshold roof beam 100, is equipped with buffering energy-absorbing piece 1 in the cavity of threshold roof beam body 2, when the vehicle took place side collision, through the partial collision energy of buffering energy-absorbing piece 1 absorption in the threshold roof beam 100, can avoid threshold roof beam 100 atress to take place serious deformation, avoid threshold roof beam 100 to be directed towards the too big and extrusion battery package of the invasion volume in the car, avoid causing the potential safety hazard.

For example, the battery pack may be mounted on a lower portion of a floor of the vehicle, the floor being located on a side of the threshold beam 100 facing the inside of the vehicle, i.e., the battery pack being located on a side of the threshold beam 100 facing the inside of the vehicle; the floor has the threshold beams 100 on both the left and right sides, and it is considered that the battery pack is located on the right side of the threshold beam 100 on the left side of the floor and the battery pack is located on the left side of the threshold beam 100 on the right side of the floor.

According to the vehicle provided by the embodiment of the utility model, through the arrangement of the threshold beam 100, the buffer energy absorbing piece 1 is arranged in the cavity of the threshold beam body 2, the buffer energy absorbing piece 1 comprises the buffer energy absorbing framework 11 and the structural colloid 12 arranged on the buffer energy absorbing framework 11, the buffer energy absorbing framework 11 and the structural colloid 12 can both absorb collision energy, the energy absorbing effect of the threshold beam 100 can be enhanced, the anti-collision performance of the threshold beam 100 is ensured, and when the vehicle collides laterally, the buffer energy absorbing piece 1 can absorb part of collision energy, so that the deformation of the threshold beam 100 is effectively reduced, and the safety performance of the vehicle is ensured; for example, when the battery pack is provided at the lower portion of the floor of the vehicle, the serious deformation of the threshold beam 100 and the squeezing of the battery pack can be avoided to avoid the potential safety hazard.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A rocker beam, comprising:

the door sill comprises a door sill body, wherein a cavity is formed in the door sill body;

the buffering energy-absorbing piece is arranged in the cavity and comprises a buffering energy-absorbing framework and a structural colloid, and the structural colloid is arranged on the buffering energy-absorbing framework.

2. The threshold beam of claim 1, wherein at least a portion of the structural gel is disposed on left and right sides of the cushioning energy absorbing skeleton.

3. The threshold beam of claim 2, wherein the structural gel comprises a first gel portion, a second gel portion, and a third gel portion, the first gel portion and the second gel portion being positioned on left and right sides of the cushioning energy absorbing skeleton, the third gel portion being positioned on a bottom surface of the cushioning energy absorbing skeleton.

4. The threshold beam of claim 3, wherein the bottom surface of the buffering and energy absorbing skeleton is formed with an avoidance hole, the avoidance hole is used for avoiding a hole structure formed by the bottom wall of the cavity, a glue blocking structure is formed on the outer peripheral side of the avoidance hole, and at least part of the glue blocking structure extends along the circumferential direction of the avoidance hole.

5. The threshold beam of claim 2, wherein the outer surface of the cushioning energy absorbing skeleton is formed with a receiving recess, and the portion of the structural gel disposed on the outer surface of the cushioning energy absorbing skeleton is a cushioning energy absorbing layer, and the cushioning energy absorbing layer is received in the receiving recess.

6. The threshold beam of claim 2, wherein the cushioning energy absorbing skeleton has a cavity energy absorbing structure formed therein; and/or the buffering energy-absorbing framework is a plastic piece.

7. The threshold beam of claim 2, wherein the cushioning energy absorbing skeleton is a plastic piece, the cushioning energy absorbing piece further comprises a connecting bracket, the connecting bracket is a metal piece, the connecting bracket is welded with an inner wall of the cavity or connected by a fastener, and the cushioning energy absorbing skeleton and the connecting bracket are integrally injection molded.

8. The rocker beam of claim 2 wherein the upper surface of the cushioning energy absorbing skeleton is formed with an avoidance groove for avoiding an operating space for connection of the rocker body with other components.

9. The threshold beam of claim 2, wherein a first positioning hole and a second positioning hole are formed at opposite ends of the buffering and energy absorbing skeleton, a third positioning hole corresponding to the first positioning hole and a fourth positioning hole corresponding to the second positioning hole are formed on an inner wall of the cavity, a first positioning piece is arranged in the first positioning hole and the third positioning hole in a penetrating manner, a second positioning piece is arranged in the second positioning hole and the fourth positioning hole in a penetrating manner, and inner diameters of the first positioning hole and the second positioning hole are different.

10. A vehicle, characterized by comprising:

a vehicle body comprising a threshold beam according to any one of claims 1-9;

and the battery pack is installed at the bottom of the car body and is positioned at the inner side of the threshold beam.

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