Threshold beam assembly and vehicle

Abstract

The utility model provides a doorsill beam assembly and a vehicle, and belongs to the technical field of vehicle body structures, the doorsill beam assembly comprises a doorsill beam body, a partition plate, an energy absorption plate, a guide plate and a reinforcing beam, and the doorsill beam body is provided with a buffer channel; the partition plate is arranged in the buffer channel and divides the buffer channel into a buffer cavity and a plurality of crumple cavities from inside to outside; the energy absorption plate is arranged in the crumple cavity, the crumple cavity is divided into a plurality of energy absorption grooves in the vertical direction by the energy absorption plate, the energy absorption plate is provided with a crumple part protruding upwards and / or downwards, and the energy absorption plate forms a wavy plate-shaped component through the crumple part; the guide plate is arranged in the buffer cavity and divides the buffer cavity into a plurality of buffer grooves; the reinforcing beam is connected to the top of the doorsill beam body. The doorsill beam assembly and the vehicle provided by the utility model aim at solving the problems that in the prior art, a reinforcing part needs to be additionally arranged in order to increase the strength of a doorsill beam, the doorsill beam cannot be completely prevented from invading a vehicle door during side collision, the weight of the doorsill beam is increased, and the light weight of the whole vehicle is not favorably realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle body structures, and more specifically, relates to a sill beam assembly and a vehicle. Background Art

[0002] With the development of the automotive industry, automotive crash safety performance has received extensive attention. When suffering a side collision, especially a side pole collision, the side poles of some vehicle models may be difficult to effectively transmit force during a side impact. At this time, the sill beam will bear a great impact force and deform towards the interior of the vehicle, invading the interior space of the vehicle. For new energy vehicles, the intrusion of the sill beam into the interior space of the vehicle will cause the battery pack and internal modules to be squeezed, resulting in damage to the battery pack and even potentially causing the battery pack to catch fire and explode.

[0003] Therefore, during the vehicle body design process, the sill beam is usually strengthened to improve the protection of the battery pack during a side pole collision. For example, a metal roll-formed beam is added inside the sill beam, or the sill beam is made of high-strength steel. At the same time, strengthening members are provided on the sill beam to increase the bending strength of the sill beam. However, the sill beam of the above-mentioned solutions will inevitably undergo local dent deformation towards the interior of the vehicle during a side rigid pole collision, and this method will also significantly increase the overall weight of the vehicle, which is not conducive to achieving vehicle lightweighting. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a sill beam assembly and a vehicle, aiming to solve the problem in the prior art that in order to increase the strength of the sill beam, it is necessary to add strengthening components, which not only cannot completely avoid the intrusion of the sill beam into the door during a side impact, but also leads to an increase in the weight of the sill beam, which is not conducive to achieving the lightweighting of the whole vehicle.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] In the first aspect, a sill beam assembly is provided, including:

[0007] A sill beam body having a buffer channel penetrating in the front-rear direction;

[0008] A partition plate disposed in the buffer channel, the partition plate dividing the buffer channel from the inside out into an independent buffer cavity and a plurality of crush cavities; and

[0009] An energy absorption plate disposed in the crush cavity, at least one energy absorption plate is disposed in each crush cavity, the energy absorption plate divides the crush cavity into a plurality of independent energy absorption grooves in the up-down direction, the energy absorption plate has a crush portion protruding upward and / or downward, and the crush portion makes the energy absorption plate form a corrugated plate-like member;

[0010] A guide plate disposed in the buffer cavity, dividing the buffer cavity into a plurality of buffer grooves distributed in the up-down direction; and

[0011] The reinforcing beam is connected to the top of the sill beam body and is located at the rear of the sill beam.

[0012] Combined with the first aspect, in a possible implementation, both the sill beam body and the partition plate are provided with a plurality of weight-reducing holes.

[0013] Combined with the first aspect, in a possible implementation, the inner end of the guide plate inclines downward and is connected to the sill beam body.

[0014] Combined with the first aspect, in a possible implementation, the cross-section of the sill beam body is a polygonal structure, and the inner side of at least one of the guide plates is connected to a vertex angle of the polygonal structure, so that the guide plate and the sill beam body enclose a triangular structure.

[0015] Combined with the first aspect, in a possible implementation, the guide plate is a flat plate body or a corrugated plate body.

[0016] Combined with the first aspect, in a possible implementation, the sill beam assembly further includes a connecting frame connected to the inner side of the sill beam body, and the connecting frame is used for connecting with the inner panel of the side wall.

[0017] Combined with the first aspect, in a possible implementation, the connecting frame includes a first fixing area, a connecting area and a second fixing area that are sequentially connected and distributed at an angle. Among them, the first fixing area is connected to the inner side of the sill beam body, the second fixing area is connected to the bottom of the sill beam body, and the connecting area is used for connecting with the inner panel of the side wall.

[0018] Combined with the first aspect, in a possible implementation, the connecting area is provided with a fixing hole, and the connecting frame further includes a locking tube inserted into the fixing hole, and the locking tube corresponds to the connecting hole of the inner panel of the side wall.

[0019] Combined with the first aspect, in a possible implementation, the reinforcing beam includes a beam body connected to the top of the reinforcing beam and a reinforcing plate arranged in the beam body. A cavity is formed in the beam body along the front-rear direction, and the reinforcing plate divides the cavity into a plurality of independent regions along the up-down direction.

[0020] The beneficial effects of the sill beam assembly provided by the present utility model are as follows: Compared with the prior art, in the sill beam assembly of the present utility model, the buffer channel is divided into a crushing cavity and a buffer cavity by a partition plate, an energy absorption plate is arranged in the crushing cavity, and a guiding plate is arranged in the buffer cavity. Since multiple crushing cavities are sequentially distributed on the outer side of the vehicle body, when a side collision occurs to the vehicle, the crushing cavities are crushed and absorb energy after being stressed. After most of the energy is absorbed, very little energy is transmitted to the buffer cavity. Therefore, the crushing amount of the buffer cavity is small. The energy absorption plate is a wavy plate-shaped member. Compared with the solution of a flat plate-shaped member, it not only increases the strength but also can better resist the collision force and reduce the probability of the sill beam body deforming inward. The reinforcing beam can increase the strength and stiffness of the sill beam assembly, ensure that the sill beam assembly does not bend during a 25% small overlap collision, and improve the safety performance of the vehicle. In the present utility model, there is no need to increase the thickness of the sill beam body, the partition plate and the energy absorption plate. Only by changing the shape of the energy absorption plate can the performance of crushing and absorbing energy be improved, which is beneficial to the lightweight of the whole vehicle. At the same time, the solution of arranging multiple crushing cavities outside the buffer cavity can also reduce the probability of the sill beam assembly deforming inward towards the vehicle body, avoid the sill beam assembly squeezing the battery pack or invading into the cockpit after being stressed, and protect the safety of passengers and the battery pack.

[0021] In a second aspect, an embodiment of the present utility model further provides a vehicle, including the sill beam assembly described in any one of the above.

[0022] The beneficial effects of the vehicle provided by the present utility model are as follows: Compared with the prior art, the vehicle of the present utility model adopts the above-mentioned sill beam assembly. The buffer channel is divided into a crushing cavity and a buffer cavity by a partition plate, an energy absorption plate is arranged in the crushing cavity, and a guiding plate is arranged in the buffer cavity. Since multiple crushing cavities are sequentially distributed on the outer side of the vehicle body, when a side collision occurs to the vehicle, the crushing cavities are crushed and absorb energy after being stressed. After most of the energy is absorbed, very little energy is transmitted to the buffer cavity. Therefore, the crushing amount of the buffer cavity is small. The energy absorption plate is a wavy plate-shaped member. Compared with the solution of a flat plate-shaped member, it not only increases the strength but also can better resist the collision force and reduce the probability of the sill beam body deforming inward. The reinforcing beam can increase the strength and stiffness of the sill beam assembly, ensure that the sill beam assembly does not bend during a 25% small overlap collision, and improve the safety performance of the vehicle. In the present utility model, there is no need to increase the thickness of the sill beam body, the partition plate and the energy absorption plate. Only by changing the shape of the energy absorption plate can the performance of crushing and absorbing energy be improved, which is beneficial to the lightweight of the whole vehicle. At the same time, the solution of arranging multiple crushing cavities outside the buffer cavity can also reduce the probability of the sill beam assembly deforming inward towards the vehicle body, avoid the sill beam assembly squeezing the battery pack or invading into the cockpit after being stressed, and protect the safety of passengers and the battery pack. Description of the Drawings

[0023] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 Structural schematic diagram of the sill beam assembly provided by the embodiment of the present utility model;

[0025] Figure 2 For Figure 1 Partial enlarged view of part A in

[0026] Figure 3 Cross-sectional view of the sill beam assembly provided by the embodiment of the present utility model and the vehicle body;

[0027] Figure 4 Stereoscopic structural schematic diagram of the connecting frame adopted by the embodiment of the present utility model.

[0028] In the figure: 1, sill beam body; 101, weight reduction hole; 2, partition plate; 3, energy absorption plate; 301, energy absorption groove; 4, connecting frame; 401, first fixing area; 402, second fixing area; 403, connecting area; 404, locking tube; 5, reinforcing beam; 6, guide plate; 601, buffer groove; 7, side wall reinforcement plate; 8, inner side wall plate. Specific embodiments

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clear, the following further details the present utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0030] In the claims, the description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, when using terms such as "first", "second" or "third", etc., are for distinguishing different objects, rather than for describing a specific order. In the claims, the description and the drawings of the present utility model, the orientation terms "upper", "lower" are the same as the up and down directions of the vehicle body, the terms "left", "right" are the same as the left and right directions of the vehicle body, the terms "front", "rear" are the same as the front and rear directions of the vehicle body, and the term "inner side" is the side adjacent to the passenger compartment in the left and right directions of the vehicle body, and vice versa is the "outer side". Unless otherwise specified, the remaining orientation words, such as "vertical", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship are based on the orientation and position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the specific protection scope of the present utility model. In the claims, the description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, when using the terms "fixed connection" or "fixedly connected", should be understood in a broad sense, that is, any connection method without displacement relationship and relative rotation relationship between the two, that is, including non-detachable fixed connection, detachable fixed connection, being integrated into one body, and being fixedly connected through other devices or elements. In the claims, the description and the above-mentioned drawings of the present utility model, when using the terms "comprising", "having" and their variants, are intended to mean "including but not limited to".

[0031] Please refer to Figures 1 to 4 simultaneously. Now, the sill beam assembly and the vehicle provided by the present utility model will be described. The sill beam assembly includes a sill beam body 1, a partition plate 2, an energy absorption plate 3, a guide plate 6 and a reinforcing beam 5. The sill beam body 1 has a buffer channel penetrating in the front-rear direction; the partition plate 2 is arranged in the buffer channel, and the partition plate 2 divides the buffer channel from the inside to the outside into an independent buffer cavity and a plurality of crush cavities; the energy absorption plate 3 is arranged in the crush cavity, at least one energy absorption plate 3 is arranged in each crush cavity, and the energy absorption plate 3 divides the crush cavity in the up-down direction into a plurality of independent energy absorption grooves 301. The energy absorption plate 3 has a crush part protruding upward and / or downward, and the crush part makes the energy absorption plate 3 form a corrugated plate-like member; the guide plate 6 is arranged in the buffer cavity and divides the buffer cavity into a plurality of buffer grooves 601 distributed in the up-down direction; the reinforcing beam 5 is connected to the top of the sill beam body 1 and is located at the rear of the sill beam.

[0032] The sill beam assembly provided by the present utility model, compared with the prior art, divides the buffer channel into a collapse cavity and a buffer cavity through the partition plate 2, and an energy absorption plate 3 is arranged in the collapse cavity, and a guide plate 6 is arranged in the buffer cavity. Since multiple collapse cavities are sequentially distributed on the outer side of the vehicle body, when a side collision occurs to the vehicle, the collapse cavity collapses and absorbs energy after being stressed. After most of the energy is absorbed, very little energy is transmitted to the buffer cavity. Therefore, the collapse amount of the buffer cavity is relatively small. The energy absorption plate 3 is a wavy plate-shaped member. Compared with the solution of a flat plate-shaped member, it not only increases the strength, but also can better resist the collision force and reduce the probability of the sill beam body 1 deforming inward. The reinforcing beam 5 can increase the strength and stiffness of the sill beam assembly, ensure that the sill beam assembly does not bend during a 25% small overlap collision, and improve the safety performance of the vehicle. In the present utility model, there is no need to increase the thickness of the sill beam body 1, the partition plate 2 and the energy absorption plate 3. Only by changing the shape of the energy absorption plate 3 can the collapse energy absorption performance be improved, which is beneficial to realizing the lightweight of the whole vehicle. At the same time, the solution of arranging multiple collapse cavities outside the buffer cavity can also reduce the probability of the sill beam assembly deforming inward towards the vehicle body, avoid the sill beam assembly squeezing the battery pack or intruding into the cockpit after being stressed, and protect the safety of passengers and the battery pack.

[0033] It should be noted that the partition plate 2 is connected to the sill beam body 1, and both the energy absorption plate 3 and the guide plate 6 are connected to the sill beam body 1 and the partition plate 2.

[0034] It should be noted that the 25% small overlap collision means that the test vehicle hits a solid object with an overlap area equivalent to only 25% of the vehicle body width at a speed of 40 miles per hour (64 kilometers per hour). Since the collision area is greatly reduced, the pressure will increase a lot, so the safety performance requirements for the vehicle are also higher.

[0035] Optionally, multiple energy absorption plates 3 are arranged at intervals in the vertical direction in each collapse cavity, and the energy absorption plates 3 in adjacent two collapse cavities are arranged correspondingly.

[0036] Optionally, the guide plate 6 is a flat plate structure or a wavy plate-shaped structure.

[0037] Optionally, the energy absorption plate 3 is arranged horizontally or is inclined downward on the inner side.

[0038] Optionally, the sill beam body 1 is an integral structure and has a polygonal cross-section.

[0039] In some embodiments, please refer to Figure 1 , both the sill beam body 1 and the partition plate 2 are provided with a plurality of weight reduction holes 101.

[0040] Due to the adoption of the wavy energy absorption plate 3 structure, which has relatively high strength and stiffness, the cooperation between the energy absorption plate 3 and multiple crash cavities located outside the buffer cavity can resist and absorb most of the external forces generated during a side collision. Therefore, weight reduction holes 101 can be respectively opened on the sill beam body 1 and the partition plate 2. The opening of the weight reduction holes 101 not only does not affect the effect of the sill beam assembly in resisting collision forces, but also can reduce the weight of the sill beam assembly, which is beneficial to the lightweight of the whole vehicle.

[0041] In some embodiments, please refer to Figure 2 , the inner end of the guide plate 6 inclines downward and is connected to the sill beam body 1.

[0042] The seat mounting cross beam and the front floor are respectively arranged inside the sill beam assembly. When a side collision occurs, the external force comes from above the sill beam. If the guide plate 6 is horizontally arranged or the inner side inclines upward, once a strong side collision occurs, the strong impact force will be transmitted obliquely upward after passing through the guide plate 6, and then invade the cockpit, threatening the safety of the passengers in the cockpit. In the present utility model, the inner side of the guide plate 6 is arranged to incline downward, and the external force is transmitted obliquely downward after passing through the guide plate 6, protecting the safety of the passengers in the vehicle.

[0043] In some embodiments, please refer to Figure 2 , the cross section of the sill beam body 1 is a polygonal structure, and the inner side of at least one guide plate 6 is connected to a vertex angle of the polygonal structure, so that the guide plate 6 and the sill beam body 1 enclose a triangular structure.

[0044] The guide plate 6 and the sill beam body 1 enclose a triangular structure. Since a triangle has stability, when the external force is transmitted to the buffer cavity, the triangular structure formed by the guide plate 6 and the sill beam body 1 can effectively resist the external force, reduce the probability of the inward deformation of the sill beam assembly, and protect the safety of the passengers.

[0045] Optionally, the included angle formed by the guide plate 6 and the bottom plate of the sill beam body 1 is 20 - 50°, preferably 30°, so that the guide plate 6 in the buffer cavity corresponds to the front floor and the left sill beam connecting plate respectively, and the side collision force can be reasonably transmitted to the vehicle body during a side collision.

[0046] In some embodiments, please refer to Figures 1 to 2 , the guide plate 6 is a flat plate body or a wavy plate body.

[0047] Since multiple crash cavities are arranged outside the buffer cavity, when a side collision occurs to the vehicle, the crash cavities and the partition plate 2 and the energy absorption plate 3 arranged in the crash cavities have absorbed most of the external forces, and the external force transmitted to the buffer cavity is relatively small. Therefore, whether the guide plate 6 is a flat plate body or a wavy plate body can effectively resist the external force.

[0048] In some embodiments, please refer to Figure 1 andFigure 4 , the sill beam assembly further includes a connecting frame 4 connected to the inner side of the sill beam body 1, and the connecting frame 4 is used to connect to the inner panel 8 of the side wall.

[0049] By using the connecting frame 4 to connect the sill beam body 1 to the inner panel 8 of the side wall, the assembly gap between the sill beam body 1 and the inner panel 8 of the side wall can be increased, and the installation efficiency can be improved. In addition, since neither the sill beam body 1 nor the inner panel 8 of the side wall has components extending in the front-rear direction and the overall volume is large, if the sill beam body 1 is directly connected to the inner panel 8 of the side wall, the operation is very inconvenient.

[0050] Optionally, the connecting frame 4 is bonded or welded to the sill beam body 1.

[0051] Optionally, a plurality of connecting members are sequentially spaced along the axial direction of the sill beam body 1.

[0052] In some embodiments, please refer to Figure 4 , the connecting frame 4 includes a first fixing area 401, a connecting area 403 and a second fixing area 402 that are sequentially connected and distributed at an angle, wherein the first fixing area 401 is connected to the inner side of the sill beam body 1, the second fixing area 402 is connected to the bottom of the sill beam body 1, and the connecting area 403 is used to connect to the inner panel 8 of the side wall.

[0053] The first fixing area 401 is connected to the inner side of the sill beam body 1 to limit the connecting frame 4 in the inner-outer direction, and the second fixing area 402 is connected to the bottom of the sill beam body 1 to limit the connecting frame 4 in the up-down direction, thereby improving the relative stability of the position of the connecting frame 4 and the sill beam body 1 and ensuring the firm connection between the connecting frame 4 and the sill beam body 1.

[0054] Optionally, the connecting area 403 is welded or bonded to the inner panel 8 of the side wall, and can also be snap-connected or screwed.

[0055] In some embodiments, please refer to Figure 4 , the connecting area 403 is provided with a fixing hole, and the connecting member further includes a locking tube 404 inserted into the fixing hole, and the locking tube 404 corresponds to the connecting hole of the inner panel 8 of the side wall.

[0056] Insert the locking tube 404 into the fixing hole. After the locking tube 404 corresponds to the connecting hole on the inner panel 8 of the side wall, insert a locking member into the connecting hole and the locking tube 404, thereby fixedly connecting the connecting frame 4 to the inner panel 8 of the side wall. The solution in this embodiment increases the contact area between the locking member and the locking tube 404, reduces the local pressure, and increases the firmness of the connection.

[0057] Optionally, the connecting area 403 includes a plurality of fixing pieces connected in sequence, and the plurality of fixing pieces enclose a "U" - shaped structure.

[0058] Optionally, the locking member can be a bolt or a rivet.

[0059] In some embodiments, refer to Figure 1 , the reinforcing beam 5 includes a beam body connected to the top of the reinforcing beam 5 and a reinforcing plate disposed in the beam body. A cavity is formed in the beam body in the front-rear direction, and the reinforcing plate divides the cavity into a plurality of independent regions in the up-down direction.

[0060] In this embodiment, the beam body adopts a cavity structure, which can effectively reduce the weight of the beam body. At the same time, a reinforcing plate is arranged in the cavity, which improves the strength and anti-deformation ability of the reinforcing beam 5.

[0061] Optionally, an avoidance groove is formed in the inner side of the beam body for avoiding other components in the vehicle body, and at the same time, the weight of the beam body can also be reduced.

[0062] Based on the same inventive concept, the present utility model further provides a vehicle. The vehicle includes the sill beam assembly of any one of the above.

[0063] For the vehicle provided by the present utility model, the sill beam assembly of any one of the above is adopted. The sill beam assembly of the present utility model divides the buffer channel into a crush cavity and a buffer cavity through the partition plate 2, and an energy absorption plate 3 is arranged in the crush cavity, and a guide plate 6 is arranged in the buffer cavity. Since a plurality of crush cavities are sequentially distributed on the outer side of the vehicle body, when the vehicle undergoes a side collision, the crush cavity is crushed and absorbs energy after being stressed. After most of the energy is absorbed, the energy transmitted to the buffer cavity is very small. Therefore, the crush amount of the buffer cavity is small. The energy absorption plate 3 is a corrugated plate-shaped member. Compared with the solution of a flat plate-shaped member, it not only increases the strength, but also can better resist the collision force and reduce the probability of the sill beam body 1 deforming inward. The reinforcing beam 5 can increase the strength and stiffness of the sill beam assembly, ensure that the sill beam assembly does not bend during a 25% small overlap collision, and improve the safety performance of the vehicle. In the present utility model, there is no need to increase the thickness of the sill beam body 1, the partition plate 2 and the energy absorption plate 3. Only by changing the shape of the energy absorption plate 3 can the performance of crush energy absorption be improved, which is beneficial to realizing the lightweight of the whole vehicle. At the same time, the solution of arranging a plurality of crush cavities on the outer side of the buffer cavity can also reduce the probability of the sill beam assembly deforming inwardly into the vehicle body, and avoid the sill beam assembly squeezing the battery pack or intruding into the cockpit after being stressed, protecting the safety of passengers and the battery pack.

[0064] Optionally, the inner side panel 8 and the side reinforcement panel 7 form a mouth-shaped cavity, and a strong energy-absorbing aluminum alloy profile reinforcement structure is added in the middle to ensure that the side collision intrusion amount is within the preset range.

[0065] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. The threshold beam assembly is characterized in that: include: The door sill beam body (1) has a buffer channel penetrating in the front-rear direction; A partition plate (2) is arranged in the buffer channel, and the partition plate (2) divides the buffer channel from the inside to the outside into a buffer chamber and a plurality of collapse chambers that are independent of each other; as well as An energy absorbing plate (3) is arranged in the collapse cavity, and each collapse cavity is provided with at least one energy absorbing plate (3). The energy absorbing plate (3) divides the collapse cavity into a plurality of independent energy absorbing grooves (301) along the vertical direction. The energy absorbing plate (3) has a collapse portion protruding upward and / or downward, and the collapse portion enables the energy absorbing plate (3) to form a wavy plate-shaped component; a guide plate (6) disposed in the buffer cavity, dividing the buffer cavity into a plurality of buffer grooves (601) distributed in an up-down direction; and The reinforcing beam (5) is connected to the top of the threshold beam body (1) and is located at the rear of the threshold beam.

2. The door sill beam assembly according to claim 1, characterized in that: The threshold beam body (1) and the partition plate (2) are both provided with a plurality of weight-reducing holes (101).

3. The threshold beam assembly according to claim 1, characterized in that: The inner end of the guide plate (6) is inclined downward and is connected to the threshold beam body (1).

4. The door sill beam assembly according to claim 3, characterized in that: The cross section of the threshold beam body (1) is a polygonal structure, and the inner side of at least one of the guide plates (6) is connected to a vertex of the polygonal structure, so that the guide plate (6) and the threshold beam body (1) enclose a triangular structure.

5. The door sill beam assembly according to claim 1, characterized in that: The guide plate (6) is a flat plate or a wavy plate.

6. The door sill beam assembly according to claim 1, characterized in that: The threshold beam assembly further comprises a connecting frame (4) connected to the inner side of the threshold beam body (1), and the connecting frame (4) is used to be connected to the side enclosure inner plate (8).

7. The door sill beam assembly according to claim 6, characterized in that: The connecting frame (4) comprises a first fixing area (401), a connecting area (403) and a second fixing area (402) which are connected in sequence and distributed at an angle, wherein the first fixing area (401) is connected to the inner side of the threshold beam body (1), the second fixing area (402) is connected to the bottom of the threshold beam body (1), and the connecting area (403) is used to connect to the side inner panel (8).

8. The sill beam assembly according to claim 7, characterized in that: The connection area (403) is provided with a fixing hole, and the connection frame (4) further comprises a locking tube (404) inserted into the fixing hole, and the locking tube (404) corresponds to the connection hole of the side inner plate (8).

9. The door sill beam assembly according to claim 1, characterized in that: The reinforcement beam (5) comprises a beam body connected to the top of the reinforcement beam (5) and a reinforcement plate arranged in the beam body, a cavity is opened in the beam body along the front-to-back direction, and the reinforcement plate divides the cavity into a plurality of independent areas along the top-to-bottom direction.

10. A vehicle, characterized in that A sill beam assembly according to any one of claims 1 to 9.

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