Automobile body threshold assembly and automobile

Abstract

The utility model provides an automobile body threshold assembly and an automobile. The automobile body threshold assembly comprises a threshold beam; the anti-collision box extends in the length direction of the doorsill beam, and the anti-collision box is connected with the doorsill beam in a welded mode; the anti-collision box comprises a connecting side face and a reinforcing portion, the connecting side face is used for being connected with the doorsill beam, the reinforcing portion is used for enhancing the strength of the anti-collision box, and the extending direction of the reinforcing portion is parallel to the connecting side face. The overall strength of the anti-collision box is improved, and the impact resisting effect of the anti-collision box is enhanced; the anti-collision box and the doorsill beam are directly connected, a steel plate reinforcing plate on the doorsill beam is omitted, the anti-collision box and the doorsill beam are connected more tightly, a gap required by welding is achieved, meanwhile, the structural rigidity is enhanced, the strength of the doorsill beam is increased by arranging the anti-collision box and replacing aluminum profiles, and on the premise that the performance is met, the development cost of an automobile body is slightly increased.

Description

Technical Field

[0001] The present application relates to the technical field of automobile anti-collision, and in particular to a vehicle body door sill assembly and a vehicle. Background Art

[0002] With the booming development of the new energy vehicle market, the requirements for side collisions of vehicles are becoming higher and higher. Not only does it need to ensure the safety of passengers, but it also puts forward higher requirements for the safety of the battery pack modules of new energy vehicles. This means that there are new requirements for the body structure design, among which the design of the threshold anti-collision beam system is also a top priority. The car threshold beam is an important structural component in car design. It is located under the door and plays a vital role in the overall rigidity and safety of the vehicle. It also plays an important role in the appearance design and protection of the vehicle. The side of the car is a common location prone to collision during driving. The threshold beam assembly is an important structural reinforcement in the body parts. It plays the most important role in connecting the front and rear bodies, strengthening the body strength, resisting the impact energy in the event of a collision, and protecting the safety of the occupants. It is one of the most important safety structural parts on the body.

[0003] The existing automobile threshold anti-collision beam is composed of several arranged reinforcement plates and thresholds, which has a thin structure and weak assembly strength, cannot effectively resist the impact deformation during collision, and has a weak protection effect on the occupants. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of the utility model is to provide a vehicle body sill assembly and a vehicle, which are used to solve the problem that the existing automobile sill anti-collision beam in the prior art is composed of several arranged reinforcement plates and sills, has a thin structure and weak assembly strength, cannot effectively resist impact deformation during collision, and has a weak protection effect on occupants.

[0005] In order to achieve the above-mentioned object and other related objects, the utility model provides a vehicle body door sill assembly, comprising:

[0006] threshold beam;

[0007] An anti-collision box, the anti-collision box extends along the length direction of the threshold beam, and the anti-collision box is welded to the threshold beam;

[0008] The crash box includes a connecting side surface for connecting with the door sill beam and a reinforcing portion for enhancing the strength of the crash box, and an extending direction of the reinforcing portion is parallel to the connecting side surface.

[0009] Optionally, a connecting bracket is welded to the threshold beam, a receiving space is formed between the connecting bracket and the threshold beam, the anti-collision box is located in the receiving space, and the anti-collision box is welded to the connecting bracket.

[0010] Optionally, the connecting bracket includes a fixing portion and a limiting portion, the fixing portion and the limiting portion are fixedly connected, the limiting portion wraps a portion of the anti-collision box, and the fixing portion is welded to the door sill beam.

[0011] Optionally, the crash box is provided with a recess, and the recess forms the reinforcement portion.

[0012] Optionally, the crash box has a first direction and a second direction, and the crash box is recessed along the first direction to form the reinforcement portion;

[0013] or the crash box is recessed along the second direction to form the reinforcement portion;

[0014] Or the crash box is recessed along a first direction, and the crash box is recessed along a second direction to form the reinforcement portion.

[0015] Optionally, the middle portion of the door sill beam along the first direction is concave to form a mounting groove and two connecting portions, the crash box is arranged in the mounting groove, and the two connecting portions are used for welding with the fixing portion.

[0016] Optionally, a plurality of welding points for welding are provided on the door sill beam, the anti-collision box and the connecting bracket.

[0017] Optionally, a plurality of the connecting brackets are provided, and the plurality of connecting brackets are arranged along the length direction of the door sill beam.

[0018] Optionally, a plurality of irregular weight-reducing holes and avoidance grooves are provided on the threshold beam.

[0019] The present application also provides an automobile, comprising the vehicle body rocker assembly as described above.

[0020] As described above, the beneficial effects brought by the technical solution of the utility model include at least: by providing a reinforcement portion on the anti-collision box, the overall strength of the anti-collision box is increased, and the anti-impact effect of the anti-collision box is enhanced;

[0021] The anti-collision box and the sill beam are directly connected, the steel plate reinforcement plate on the sill beam is removed, the connection between the anti-collision box and the sill beam is tighter, the welding requirement gap is achieved, and the structural rigidity is strengthened. In addition, the anti-collision box is also set up and the aluminum profile is replaced to increase the strength of the sill beam. Under the premise of meeting the performance requirements, the body development cost is increased less. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Shown is a schematic diagram of the overall structure of a vehicle body rocker assembly of an exemplary embodiment of the present utility model;

[0023] Figure 2Shown is a schematic diagram of the structure of a crash box of an exemplary embodiment of the utility model;

[0024] Figure 3 A cross-sectional view of a vehicle body rocker assembly according to an exemplary embodiment of the present invention is shown.

[0025] Part Number Description:

[0026] 1. Door sill beam; 2. Anti-collision box; 201. Reinforcement; 3. Connecting bracket. DETAILED DESCRIPTION

[0027] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0028] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention, and thus the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0029] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present disclosure. However, it is obvious to those skilled in the art that the embodiments of the present disclosure can be implemented without these specific details. In other embodiments, well-known structures and devices are shown in the form of block diagrams rather than in detail to avoid making the embodiments of the present disclosure difficult to understand.

[0030] See also Figure 1 The utility model provides a vehicle body sill assembly, comprising: a sill beam 1; an anti-collision box 2, wherein the anti-collision box 2 extends along the length direction of the sill beam 1, and the anti-collision box 2 is welded to the sill beam 1; wherein the anti-collision box 2 comprises a connecting side surface for connecting with the sill beam 1 and a reinforcing portion 201 for enhancing the strength of the anti-collision box 2, and the extending direction of the reinforcing portion 201 is parallel to the connecting side surface.

[0031] In one embodiment of the present application, specifically, it includes a threshold beam 1 and an anti-collision box 2, the threshold beam 1 is a long strip plate structure, the threshold beam 1 is stamped from a high-strength steel galvanized plate, the middle portion of the threshold beam 1 is concave to form a mounting groove and two connecting portions, the cross section of the threshold beam 1 includes a U-shaped mounting groove and two vertical connecting portions, the two connecting portions are respectively connected to the upper and lower ends of the mounting groove (integrated into one piece), the anti-collision box 2 is arranged in the mounting groove and welded to the inner wall of the mounting groove, the threshold beam 1 is connected to the vehicle body, the threshold beam 1 is also welded to the anti-collision box 2, the anti-collision box 2 is arranged along the length direction of the threshold beam 1, and the anti-collision box 2 and the door The sill beam 1 is parallel, and the crash box 2 is made of high-strength steel plate rolled with a material of HC980 / 1180MS (HC represents the strength grade of the material, and MS clearly refers to martensitic steel). The crash box 2 includes a connecting side and a reinforcing portion 201. The connecting side is used to be connected to the sill beam 1, and can be connected by spot welding, arc welding or bolts. The reinforcing portion 201 is arranged on the crash box 2 to enhance the strength of the crash box 2 and resist collision impact. The reinforcing portion 201 can be arranged on the side of the crash box 2 or inside the crash box 2, thereby increasing the overall strength of the vehicle body sill assembly and resisting collision impact.

[0032] Furthermore, the sill beam 1 and the anti-collision box 2 are directly welded, and the reinforcing plate on the inner wall of the sill beam 1 in the prior art is eliminated, so that the gap between the sill beam 1 and the anti-collision box 2 is smaller, which is convenient for welding the sill beam 1 and the anti-collision box 2. Moreover, the reinforcing plate on the inner wall of the sill beam 1 is made of aluminum profile, which has a relatively high cost. Eliminating the reinforcing plate on the inner wall of the sill beam 1 is conducive to reducing the cost of vehicle body development. Moreover, compared with the sheet metal structure, the parts cost of aluminum profile is doubled. The present application also achieves the effect of aluminum profile through the anti-collision box. On the premise of satisfying the performance, the cost of vehicle body development is reduced.

[0033] Furthermore, the interior of the crash box 2 is filled with CBS structural rubber blocks (Carbonized Body Structure, a combination of foam rubber and a highly engineered thermoplastic or thermosetting structural carrier), and the CBS structural rubber blocks fill the entire interior of the crash box 2 .

[0034] Optionally, a structural rubber block is filled on the overlapping side of the sill beam 1 and the frame assembly to ensure a firm connection between the sill beam 1 and the vehicle body and avoid abnormal noise of the whole vehicle.

[0035] A connecting bracket 3, wherein the connecting bracket 3 is welded to the threshold beam 1, an accommodation space is formed between the connecting bracket 3 and the threshold beam 1, the anti-collision box 2 is located in the accommodation space, and the anti-collision box 2 is welded to the connecting bracket 3;

[0036] The connecting bracket 3 includes a fixing portion and a limiting portion, the fixing portion and the limiting portion are fixedly connected, the limiting portion wraps a portion of the anti-collision box 2 , and the fixing portion is welded to the door sill beam 1 .

[0037] In one embodiment of the present application, specifically, it also includes a connecting bracket 3, the connecting bracket 3 includes a fixing portion and a limiting portion, the limiting portion is U-shaped, and two fixing portions are provided, and the two fixing portions are respectively vertically arranged at both ends of the limiting portion, and the two fixing portions are respectively welded to the two connecting portions, wherein the limiting portion of the connecting bracket 3 and the mounting groove of the threshold beam 1 are relatively arranged (the recessed directions of the limiting portion and the mounting groove are opposite), and an accommodating space is formed between the limiting portion and the mounting groove, the anti-collision box 2 is arranged in the accommodating space, the first side surface of the anti-collision box 2 is welded to the side wall of the mounting groove, and the second side surface of the anti-collision box 2 is welded to the inner wall of the limiting portion, and the first side surface and the second side surface are two opposite side surfaces.

[0038] A portion of the anti-collision box 2 is accommodated in the installation groove, and another portion of the anti-collision box 2 is accommodated in the limiting portion.

[0039] The crash box 2 is provided with a recess, and the recess forms the reinforcement portion 201 .

[0040] The crash box 2 has a first direction and a second direction, and the crash box 2 is recessed along the first direction to form the reinforcement portion 201;

[0041] Or the crash box 2 is recessed along the second direction to form the reinforcement portion 201;

[0042] Or the crash box is recessed along the first direction, and the crash box 2 is recessed along the second direction to form the reinforcement portion 201 .

[0043] In one embodiment of the present application, specifically, the crash box 2 includes an upper top surface and a lower bottom surface, the upper top surface is located above the lower bottom surface, in the present application, the first direction is the direction of the lower bottom surface of the crash box 2 toward the upper top surface, the second direction is the direction of the upper top surface toward the lower bottom surface, the upper top surface of the crash box 2 is recessed toward the lower bottom surface to form a reinforcement portion 201, the bottom of the recessed portion of the upper top surface is in contact with the lower bottom surface, and the two side walls of the recess are vertically arranged.

[0044] Optionally, the lower bottom surface of the crash box 2 is recessed upward to form a reinforcement portion 201 , the top of the recess of the lower bottom surface is in contact with the upper top surface, and two side walls of the recess are vertically arranged.

[0045] Optionally, the upper top surface of the crash box 2 is recessed toward the lower bottom surface to form a reinforcing portion 201, the recessed bottom of the upper top surface of the crash box 2 contacts the lower bottom surface, and at the same time, the lower bottom surface of the crash box 2 is recessed toward the upper top surface to form a reinforcing portion 201, the recessed top of the lower bottom surface of the crash box 2 contacts the upper top surface, the recess of the upper top surface and the recess of the lower bottom surface are staggered and arranged in parallel (for example, the recess of the upper top surface is close to the first side surface of the crash box 2, and the recess of the lower bottom surface is close to the second side surface of the crash box 2; or the recess of the upper top surface is close to the second side surface of the crash box 2, and the recess of the lower bottom surface is close to the first side surface of the crash box 2).

[0046] The door sill beam 1 , the anti-collision box 2 and the connecting bracket 3 are all provided with a plurality of welding points for welding.

[0047] A plurality of connecting brackets 3 are provided, and the plurality of connecting brackets 3 are arranged along the length direction of the door sill beam 1 .

[0048] In one embodiment of the present application, specifically, three connecting brackets 3 are provided, and the three connecting brackets 3 are arranged in sequence along the length direction of the threshold beam 1. The anti-collision box 2 is located between the three connecting brackets 3 and the threshold beam 1, and the connecting brackets 3 at both ends are welded to the two ends of the anti-collision box 2 respectively.

[0049] Optionally, one connecting bracket 3 is provided. When one connecting bracket 3 is provided, the connecting bracket 3 extends along the length direction of the threshold beam 1 , and the extension length of the connecting bracket 3 is similar to or less than the length of the threshold beam 1 .

[0050] The present application does not limit the number and arrangement of the connecting brackets 3 , and the above embodiments are only for better illustrating the installation form and structure of the connecting brackets 3 .

[0051] In one embodiment of the present application, specifically, a plurality of irregular weight-reducing holes and avoidance grooves are provided on the body of the sill beam 1 , and the avoidance grooves are located on the lower connecting portion of the sill beam 1 to avoid components when being installed on the vehicle body.

[0052] The present application also provides an automobile, comprising the above-mentioned vehicle body door sill assembly.

[0053] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A vehicle body sill assembly, characterized in that: include: threshold beam; An anti-collision box, the anti-collision box extends along the length direction of the threshold beam, and the anti-collision box is welded to the threshold beam; The crash box includes a connecting side surface for connecting with the door sill beam and a reinforcing portion for enhancing the strength of the crash box, and an extending direction of the reinforcing portion is parallel to the connecting side surface.

2. A vehicle body rocker assembly according to claim 1, characterized in that: Also includes: A connecting bracket is welded to the threshold beam, a receiving space is formed between the connecting bracket and the threshold beam, the anti-collision box is located in the receiving space, and the anti-collision box is welded to the connecting bracket.

3. A vehicle body rocker assembly according to claim 2, characterized in that: The connecting bracket includes a fixing portion and a limiting portion, the fixing portion and the limiting portion are fixedly connected, the limiting portion wraps a portion of the anti-collision box, and the fixing portion is welded to the door sill beam.

4. The vehicle body rocker assembly according to claim 1, characterized in that: The crash box is provided with a recessed portion, and the recessed portion forms the reinforcement portion.

5. A vehicle body rocker assembly according to claim 4, characterized in that: The crash box has a first direction and a second direction, and the crash box is recessed along the first direction to form the reinforcement portion; or the crash box is recessed along the second direction to form the reinforcement portion; Or the crash box is recessed along a first direction, and the crash box is recessed along a second direction to form the reinforcement portion.

6. The vehicle body rocker assembly according to claim 3, characterized in that: The middle portion of the door sill beam along the first direction is concave to form a mounting groove and two connecting portions, the anti-collision box is arranged in the mounting groove, and the two connecting portions are used for welding with the fixing portion.

7. The vehicle body rocker assembly according to claim 1, characterized in that: The door sill beam, the anti-collision box and the connecting bracket are all provided with a plurality of welding points for welding.

8. A vehicle body rocker assembly according to claim 2 or 3, characterized in that: A plurality of the connecting brackets are provided, and the plurality of the connecting brackets are arranged along the length direction of the door sill beam.

9. The vehicle body rocker assembly according to claim 1, characterized in that: The threshold beam is provided with a plurality of irregular weight-reducing holes and avoidance grooves.

10. An automobile, characterized in that: The vehicle body rocker assembly comprises a vehicle body rocker assembly as claimed in any one of claims 1 to 9.

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