Thrust block for automobile longitudinal beam, front longitudinal beam assembly and automobile

Abstract

The utility model provides a thrust block used for an automobile longitudinal beam, a front longitudinal beam assembly and an automobile, the thrust block comprises a connecting part and a side pushing part, the connecting part is used for being connected with the front longitudinal beam, and the side pushing part is used for providing side pushing force for automobile collision deformation parts; wherein the side pushing part is provided with a side pushing surface, the thrust block has a front-back direction and a side pushing direction which is perpendicular to the front-back direction and faces the outside of the side pushing part, and the side pushing surface deflects towards the side pushing direction from front to back. When small offset collision occurs on the front face of a vehicle, the front-end part of the vehicle body displaces due to collision, the lateral pushing face of the thrust block provides inclined lateral pushing force for the front-end part of the vehicle body, the front-end part of the vehicle body slides out along the lateral pushing face of the thrust block, collision between the front-end part of the vehicle body and the longitudinal beam diameter is relieved, and the vehicle body is prevented from being damaged. Therefore, the deceleration of the vehicle body is reduced, and the damage to a driver and passengers is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle body front longitudinal beam structures, and in particular to a thrust block for a vehicle longitudinal beam, a front longitudinal beam assembly and a vehicle. Background Art

[0002] Vehicle safety is increasingly valued by consumers, and at the same time, automobile collision safety regulations or safety assessments are becoming increasingly stringent. Against this background, China Automotive Engineering Research Institute Co., Ltd. launched the China Insurance Automobile Safety Index, in which the occupant safety index evaluation includes a safety test called a 25% frontal offset collision (referred to as a small offset collision), which examines the collision between the front of the vehicle and a rigid barrier at only 25% of the position. This type of collision has high requirements for the collision structure design of the vehicle body, otherwise it is easy to cause the vehicle body to intrude beyond the standard.

[0003] Currently, when a vehicle is involved in an offset collision, the longitudinal beam is unable to absorb energy by crushing, resulting in a large intrusion into the passenger compartment, a large-angle tailspin, difficulty maintaining the basic driving direction, and endangering the driving safety of the driver and passengers. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of the present utility model is to provide a thrust block for a longitudinal beam of an automobile, a front longitudinal beam assembly and an automobile, so as to solve the problem in the prior art that when an offset collision occurs in the vehicle, the longitudinal beam cannot absorb energy by crushing, thereby resulting in a large amount of intrusion into the passenger compartment and endangering the driving safety of the driver and passengers.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a thrust block for a longitudinal beam of an automobile, comprising a connecting portion and a side thrust portion, wherein the connecting portion is used to connect with the front longitudinal beam, and the side thrust portion is used to provide a side thrust to a collision deformed component of the automobile;

[0006] The thrust portion has a thrust surface, the thrust block has a front-to-rear direction and a thrust direction perpendicular to the front-to-rear direction and facing outward from the thrust portion, and the thrust surface is inclined from front to back toward the thrust direction.

[0007] Optionally, the side thrust surface includes an inner concave arc surface and an outer convex arc surface, and the inner concave arc surface is located in front of the outer convex arc surface.

[0008] Optionally, the side thrust surface further includes a first buffer surface, the first buffer surface is located in front of the inner concave arc surface, and the first buffer surface is connected to the inner concave arc surface;

[0009] Wherein, the included angle between the extending direction of the first buffer surface and the front-rear direction of the thrust block is 0 degree to 10 degrees.

[0010] Optionally, the side thrust surface further includes a second buffer surface, the second buffer surface is located behind the outer convex curved surface, and the second buffer surface is connected to the outer convex curved surface;

[0011] Wherein, the included angle between the extending direction of the second buffer surface and the front-rear direction of the thrust block is 0 degree to 10 degrees.

[0012] Optionally, a transition surface is further provided between the inner concave arc surface and the outer convex arc surface, and an angle between an extension direction of the transition surface and a front-rear direction of the thrust block is 25 degrees to 40 degrees.

[0013] Optionally, a groove is provided on the side thrust surface.

[0014] Optionally, the groove extends along the front-to-back direction, and there are multiple grooves, and the multiple grooves are arranged in sequence along a direction perpendicular to the front-to-back direction.

[0015] Optionally, a mounting hole for mounting and connecting with a front longitudinal beam of an automobile is provided in the groove, and the groove and the mounting hole pass through the connecting portion and the side thrust portion.

[0016] The present application also provides a front longitudinal beam assembly, comprising the thrust block as described above, and further comprising:

[0017] A supporting crossbeam, wherein the supporting crossbeam is supported between the two front longitudinal beams, and two ends of the supporting crossbeam are respectively fixedly connected to the two front longitudinal beams;

[0018] The thrust block is fixedly connected to the outer side surface of the front longitudinal beam, and the lateral thrust direction of the thrust block is perpendicular to the outer side surface of the front longitudinal beam.

[0019] The present application also provides an automobile, comprising a front longitudinal beam assembly as described above.

[0020] As described above, the beneficial effects brought about by the technical solution in the utility model include at least: a thrust block is arranged on the front longitudinal beam, and when a small offset collision occurs at the front of the vehicle, the front end components of the vehicle body are displaced due to the collision, and the side thrust surface of the thrust block provides an inclined lateral thrust to the front end components of the vehicle body, allowing the front end components of the vehicle body to slide out along the side thrust surface of the thrust block, thereby reducing the collision between the front end components of the vehicle body and the diameter of the longitudinal beam, thereby reducing the deceleration of the vehicle body and reducing the damage to the driver and passengers. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Shown is a schematic diagram of the thrust block structure of an exemplary embodiment of the utility model;

[0022] Figure 2 A side view of a thrust block showing an exemplary embodiment of the present invention;

[0023] Figure 3 Shown is a schematic diagram of the structure of a thrust block after installation of an exemplary embodiment of the utility model;

[0024] Figure 4 Shown is a schematic diagram of the front longitudinal beam assembly structure of an exemplary embodiment of the present utility model.

[0025] Part Number Description

[0026] 1. Connecting part; 2. Side thrust surface; 201. Inner concave arc surface; 202. Outer convex arc surface; 203. First buffer surface; 204. Second buffer surface; 205. Transition surface; 3. Groove; 4. Mounting hole; 5. Support beam. 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 and Figure 3 The utility model provides a thrust block for a longitudinal beam of an automobile, comprising a connecting portion 1 and a thrust portion, wherein the connecting portion 1 is used to be connected to the front longitudinal beam, and the thrust portion is used to provide a thrust force to a deformed component of the automobile during collision; wherein the thrust portion has a thrust surface 2, the thrust block has a front-to-back direction and a thrust direction perpendicular to the front-to-back direction and toward the outside of the thrust portion, and the thrust surface 2 is inclined toward the thrust direction from front to back.

[0031] In one embodiment of the present application, specifically, the thrust block includes a connecting portion 1 and a thrust portion, the connecting portion 1 and the thrust portion are fixedly connected or integrally formed, the connecting portion 1 has a connecting surface, the connecting surface is used to connect with the front longitudinal beam, the thrust portion is provided with a thrust surface 2, the thrust surface 2 and the connecting surface are opposite to each other, the thrust surface 2 and the connecting surface are respectively located on opposite sides of the thrust block, the front and rear directions on the thrust block are respectively toward the front direction of the vehicle and toward the rear direction of the vehicle (the direction toward the front direction of the vehicle is the front, and the direction toward the front direction of the vehicle is the rear), the thrust surface 2 is inclined to the front longitudinal beam, and the thrust direction of the thrust surface 2 is a direction gradually away from the front longitudinal beam from front to rear, when the front end components of the vehicle body collide, deform and squeeze backward, the thrust surface 2 on the thrust block provides an inclined thrust to the front end components of the vehicle body, so that the front end components of the vehicle body are pushed out along the direction of the thrust surface 2 to avoid collision with the front longitudinal beam, thereby reducing the deceleration of the vehicle body and further reducing the damage to the human body.

[0032] Furthermore, the connecting portion 1 of the thrust block is installed at the connection between the front longitudinal beam and the energy absorption box to strengthen the connection strength between the front longitudinal beam and the energy absorption box, and the thrust block is made of aluminum material.

[0033] See also Figure 1 and Figure 2 In one embodiment of the present application, specifically, the side thrust surface 2 includes an inner concave arc surface 201 and an outer convex arc surface 202, the inner concave arc surface 201 is located in front of the outer convex arc surface 202, and the inner concave arc surface 201 can increase the inclination angle of the side thrust surface 2 to ensure that the front end components of the vehicle body can slide out smoothly to the required angle, and at the same time, the connection of the side thrust surface 2 is smoothed, and the outer convex arc surface 202 is set to smooth the side thrust surface 2.

[0034] The side thrust surface 2 further includes a first buffer surface 203, the first buffer surface 203 is located in front of the inner concave arc surface 201, and the first buffer surface 203 is connected to the inner concave arc surface 201;

[0035] The included angle between the extension direction of the first buffer surface 203 and the front-rear direction of the thrust block is 0 degrees to 10 degrees.

[0036] See also Figure 1 and Figure 2 In one embodiment of the present application, specifically, the thrust surface 2 includes a first buffer surface 203, the first buffer surface 203 has an inclination angle of 5 degrees, the first buffer surface 203 is located at the front end of the thrust block, the thickness of the front end of the thrust block is 12 mm, which is convenient for contacting the front end components of the vehicle body. At the same time, the first buffer surface 203 can reduce the force received by the thrust block for the first time, play a good buffering role, and avoid the inclination angle being too large to cause the thrust block and the front longitudinal beam to be unable to withstand.

[0037] The side thrust surface 2 further includes a second buffer surface 204, which is located behind the outer convex arc surface 202, and the second buffer surface 204 is connected to the outer convex arc surface 202;

[0038] The included angle between the extension direction of the second buffer surface 204 and the front-rear direction of the thrust block is 0 degrees to 10 degrees.

[0039] See also Figure 1 and Figure 2 In one embodiment of the present application, specifically, the thrust surface 2 also includes a second buffer surface 204, which is located at the rear end of the thrust block. The second buffer surface 204 and the convex arc surface 202 are smoothly connected. The thickness of the rear end of the thrust block is 35 mm, and the inclination angle of the second buffer surface 204 is 5 degrees, which makes it easy for the front end components of the vehicle body to slide out along the second buffer surface 204.

[0040] A transition surface 205 is further provided between the inner concave arc surface 201 and the outer convex arc surface 202 , and the angle between the extending direction of the transition surface 205 and the front-rear direction of the thrust block is 25 degrees to 40 degrees.

[0041] Furthermore, in this embodiment, the angle between the extension direction of the transition surface 205 and the front-rear direction of the thrust block is 26.35 degrees, which can provide lateral thrust while preventing the front end components of the vehicle body from being unable to slide out smoothly due to excessive inclination angles.

[0042] See also Figure 1 In one embodiment of the present application, specifically, a groove 3 is provided on the thrust surface 2, and the groove 3 can be used to accommodate a nut connecting the thrust block and the front longitudinal beam, so as to prevent the nut from blocking the front end components of the vehicle body when the thrust block provides a lateral thrust to the front end components of the vehicle body. At the same time, the groove 3 is provided on the thrust block, which can reduce the overall weight of the thrust block and has a beneficial effect of lightweighting.

[0043] The groove 3 extends along the front-to-back direction, and there are multiple grooves 3, which are arranged in sequence along a direction perpendicular to the front-to-back direction. The top surface of the groove 3 is an inclined side thrust surface 2, and the bottom of the groove 3 is a plane.

[0044] See also Figure 1 In one embodiment of the present application, specifically, the groove 3 is a long strip structure, the groove 3 is arranged along the front and rear end directions of the vehicle body, there are three grooves 3, the three grooves 3 are arranged in sequence along the direction of the vehicle height, and the inner corners of the three grooves 3 are all rounded.

[0045] A mounting hole 4 for mounting and connecting with the front longitudinal beam of the automobile is arranged in the groove 3, and the groove 3 and the mounting hole 4 pass through the connecting part 1 and the side thrust part.

[0046] See also Figure 1In one embodiment of the present application, specifically, a mounting hole 4 is respectively provided in the three grooves 3, and the mounting holes are used for fixing bolts to pass through, so as to facilitate the connection between the thrust block and the front longitudinal beam. From top to bottom, they are named as the first mounting hole, the second mounting hole and the third mounting hole, wherein the first mounting hole and the third mounting hole are both located at the front end of the groove 3, and the second mounting hole is located at the rear end of the groove 3. The first mounting hole, the second mounting hole and the third mounting hole form a triangle, which is conducive to the fixed installation of the thrust block.

[0047] See also Figure 4 The present application also provides a front longitudinal beam assembly, including the above-mentioned thrust block, and further comprising:

[0048] A supporting crossbeam 5, wherein the supporting crossbeam 5 is supported between the two front longitudinal beams, and both ends of the supporting crossbeam 5 are respectively fixedly connected to the two front longitudinal beams;

[0049] The thrust block is fixedly connected to the outer side surface of the front longitudinal beam, and the lateral thrust direction of the thrust block is perpendicular to the outer side surface of the front longitudinal beam.

[0050] In one embodiment of the present application, specifically, two supporting crossbeams 5 are provided, and the two supporting crossbeams 5 are arranged in parallel. The two supporting crossbeams 5 are both provided between the left and right front longitudinal beams, and the two ends of the two supporting crossbeams 5 are respectively fixedly connected to the left and right front longitudinal beams to enhance the overall stiffness of the front longitudinal beams and ensure that the front end components of the vehicle body can slide out smoothly.

[0051] The present application also provides an automobile, comprising the above-mentioned front longitudinal beam assembly.

[0052] 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 thrust block for a longitudinal beam of an automobile, characterized in that: It includes a connecting part and a side thrust part, wherein the connecting part is used to connect with the front longitudinal beam, and the side thrust part is used to provide side thrust to the automobile collision deformed parts; The thrust portion has a thrust surface, the thrust block has a front-to-rear direction and a thrust direction perpendicular to the front-to-rear direction and facing outward from the thrust portion, and the thrust surface is inclined from front to back toward the thrust direction.

2. A thrust block for a longitudinal beam of an automobile according to claim 1, characterized in that: The side thrust surface comprises an inner concave arc surface and an outer convex arc surface, and the inner concave arc surface is located in front of the outer convex arc surface.

3. A thrust block for a longitudinal beam of an automobile according to claim 2, characterized in that: The side thrust surface further includes a first buffer surface, the first buffer surface is located in front of the inner concave arc surface, and the first buffer surface is connected to the inner concave arc surface; Wherein, the included angle between the extending direction of the first buffer surface and the front-rear direction of the thrust block is 0 degree to 10 degrees.

4. A thrust block for a longitudinal beam of an automobile according to claim 2, characterized in that: The side thrust surface further includes a second buffer surface, the second buffer surface is located behind the outer convex arc surface, and the second buffer surface is connected to the outer convex arc surface; Wherein, the included angle between the extending direction of the second buffer surface and the front-rear direction of the thrust block is 0 degree to 10 degrees.

5. The thrust block for a longitudinal beam of an automobile according to claim 2, characterized in that: A transition surface is also provided between the inner concave arc surface and the outer convex arc surface, and the angle between the extending direction of the transition surface and the front-rear direction of the thrust block is 25 degrees to 40 degrees.

6. The thrust block for a longitudinal beam of an automobile according to claim 1, characterized in that: The side thrust surface is provided with a groove.

7. A thrust block for a longitudinal beam of an automobile according to claim 6, characterized in that: The groove extends along the front-to-back direction, and there are a plurality of grooves, which are sequentially arranged in a direction perpendicular to the front-to-back direction.

8. A thrust block for a longitudinal beam of an automobile according to claim 6 or 7, characterized in that: The groove is provided with a mounting hole for mounting and connecting with the front longitudinal beam of the automobile, and the groove and the mounting hole penetrate the connecting part and the side thrust part.

9. A front longitudinal beam assembly, characterized in that: The thrust block according to any one of claims 1 to 8 further comprises: A supporting crossbeam, wherein the supporting crossbeam is supported between the two front longitudinal beams, and two ends of the supporting crossbeam are respectively fixedly connected to the two front longitudinal beams; The thrust block is fixedly connected to the outer side surface of the front longitudinal beam, and the lateral thrust direction of the thrust block is perpendicular to the outer side surface of the front longitudinal beam.

10. An automobile, characterized in that: It comprises a front longitudinal beam assembly as claimed in claim 9.

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