CN220884557U

CN220884557U - Car B post, car side wall and car

Info

Publication number: CN220884557U
Application number: CN202322899011.5U
Authority: CN
Inventors: 宋叶红
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-05-03
Anticipated expiration: 2033-10-26

Abstract

The utility model provides an automobile B column, an automobile side wall and an automobile, and relates to the technical field of automobile parts. According to the scheme, the upper part of the B column reinforcing plate is connected with the patch plate so as to improve the strength of the upper part of the B column reinforcing plate and reduce the invasion amount of the upper part of the B column into a vehicle, and meanwhile, the boss and the liquid leakage hole are arranged at the lower part of the B column reinforcing plate, namely the area of the first deformation soft area outside the first bending part, so that the deformation of the liquid leakage hole can be slowed down, and the problems of hole cracking and B column fracture are avoided.

Description

Car B post, car side wall and car

Technical Field

The utility model relates to the technical field of automobile parts, in particular to an automobile B column, an automobile side wall and an automobile.

Background

The B column is an important stress part in the side collision process of the automobile, and the structural strength of the B column has higher requirements. In order to protect an occupant, it is generally required to reduce the intrusion amount and intrusion speed of the upper portion of the B-pillar into the vehicle during a side collision, and to deform the lower portion of the B-pillar sufficiently to absorb collision energy. However, the existing B-pillar has lower strength, the invasion amount of the upper part of the B-pillar into the vehicle is often larger when the vehicle bumps sideways, so that the deformation of the lower part of the B-pillar is larger, the deformation of the weeping hole and the wire harness hole of the lower part of the B-pillar is larger, the hole is easy to crack, and the whole B-pillar is broken and cannot be normally used.

Disclosure of utility model

The utility model aims to solve the technical problems that the upper part of the B column of the existing automobile is large in deformation, and the liquid leakage hole at the lower part of the B column is easy to crack, so that the whole B column is broken.

In a first aspect, the utility model provides an automobile B-pillar, comprising a B-pillar reinforcing plate, a latch plate and a B-pillar inner plate, wherein the B-pillar reinforcing plate is positioned on one side of the B-pillar inner plate facing the outside of an automobile, the B-pillar reinforcing plate is installed in a matched manner with the B-pillar inner plate, the latch plate is arranged between the B-pillar reinforcing plate and the B-pillar inner plate, the latch plate is connected with one end of the B-pillar reinforcing plate facing the upper part of the automobile, a first deformation soft zone is formed at one end of the B-pillar reinforcing plate facing the lower part of the automobile, a first bending part is arranged in the first deformation soft zone, and a boss and a liquid leakage hole are arranged in the first deformation soft zone in a region outside the first bending part.

In the utility model, the patch board (also called a patch reinforcing board, namely patch reinforcement plate) is a reinforcing board, the B-pillar reinforcing board and the patch board are used for reinforcing the B-pillar inner board, and the upper part of the B-pillar reinforcing board has higher strength due to the connection of the patch board and the upper part of the B-pillar reinforcing board, so that the invasion amount of the upper part of the B-pillar into a vehicle during side collision is reduced, and the deformation of the lower part of the B-pillar is slowed down. Since the lower portion of the B-pillar reinforcement plate has a lower strength than the upper portion of the B-pillar reinforcement plate, the lower portion thereof can be regarded as a first deformed soft region, in other words, the region is softer and more easily deformed than the upper portion of the B-pillar reinforcement plate, and a first bending portion can be provided in the region. Therefore, when side collision occurs, the first bending part of the first deformation soft region can be bent and deformed, through designing the liquid leakage hole in the area outside the first bending part of the first deformation soft region, namely the area with relatively smaller deformation, the deformation of the liquid leakage hole is facilitated to be slowed down, the local strength of the first deformation soft region can be improved by utilizing the boss, the deformation extrusion of the boss near the liquid leakage hole is weakened, the stress concentration at the liquid leakage hole is reduced, the cracking of the liquid leakage hole is further avoided, and the normal use of the automobile B column is ensured.

Optionally, the boss is formed by the first deformation soft zone protruding to the vehicle exterior side.

Optionally, a region of the first deformation soft region outside the first bending position is provided with a door hinge mounting portion, an edge of the door hinge mounting portion is provided with a transition fillet, and at least part of the weeping hole is located around the transition fillet.

Optionally, a second bending position is formed at a position of the B-pillar inner plate corresponding to the first bending position, and a wire harness hole is formed in an area of the B-pillar inner plate outside the second bending position.

Optionally, a second deformation soft zone is formed at a position of the B pillar inner plate corresponding to the first deformation soft zone, the second bending part is located at one end of the second deformation soft zone facing the upper side of the automobile, the cross section size of the second deformation soft zone from one end close to the upper side of the automobile to one end close to the lower side of the automobile is gradually increased, and the wire harness hole is formed at one end of the second deformation soft zone facing the lower side of the automobile.

Optionally, the automobile B column further comprises a patch board reinforcing plate, wherein the patch board reinforcing plate is arranged on one side of the B column inner plate, which faces the B column reinforcing plate, and the patch board reinforcing plate is connected with one end of the B column inner plate, which faces the upper part of the automobile.

Optionally, two patch panel reinforcing plates are provided, and the two patch panel reinforcing plates are respectively located at two sides of the patch panel along the front-rear direction of the automobile.

Optionally, the patch board reinforcing plate includes interconnect and each other first plate body and the second plate body that the angle set up, B post inner panel has two connection faces that the angle set up each other, first plate body and the second plate body respectively with two of B post inner panel the connection face is connected.

In a second aspect, the utility model provides an automobile side wall, which comprises the automobile B column. Compared with the prior art, the automobile side wall has the same advantages as the automobile B column, and the description is not repeated.

In a third aspect, the present utility model provides an automobile, including the automobile side wall. The advantages of the automobile compared with the prior art are the same as those of the automobile side wall, and the description is not repeated.

Drawings

FIG. 1 is a schematic view of a B-pillar of an automobile according to an embodiment of the utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of a B-pillar stiffener according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a B-pillar inner panel according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a patch panel stiffener according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A B column reinforcing plate; 11. a first deformed soft zone; 12. a boss; 13. a weeping hole; 14. a door hinge mounting portion; 15. a transition fillet; 2. a patch panel; 3. a B-pillar inner panel; 31. a wire bundle hole; 32. a second deformed soft zone; 4. a patch panel stiffener; 41. a first plate body; 42. and a second plate body.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "mated" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In addition, in the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", etc. in the embodiments indicate terms of orientation, and only for simplifying the positional relationship of the description based on the drawings of the specification, it does not represent that the elements and devices etc. referred to must be operated according to the operations and methods and configurations defined in the specific orientation and limitation of the present utility model, and such orientation terms do not constitute limitations of the present utility model.

Herein, an XYZ coordinate system is established in which the forward direction of the X axis represents the front of the automobile, the reverse direction of the X axis represents the rear of the automobile, the forward direction of the Y axis represents the left of the automobile, the reverse direction of the Y axis represents the right of the automobile, the forward direction of the Z axis represents the upper of the automobile, and the reverse direction of the Z axis represents the lower of the automobile. It should also be noted that the foregoing X-axis, Y-axis, and Z-axis are meant to be illustrative only and not indicative or implying that the apparatus or component in question must be oriented or configured in a particular orientation and operation and therefore should not be construed as limiting the present utility model.

As shown in fig. 1-3, an automotive B-pillar according to an embodiment of the present utility model includes a B-pillar reinforcement plate 1, a latch plate 2, and a B-pillar inner panel 3, where the B-pillar reinforcement plate 1 is located at a side of the B-pillar inner panel 3 facing outward, and the B-pillar reinforcement plate 1 is mounted in cooperation with the B-pillar inner panel 3, the latch plate 2 is disposed between the B-pillar reinforcement plate 1 and the B-pillar inner panel 3, and the latch plate 2 is connected to an end of the B-pillar reinforcement plate 1 facing upward, where an end of the B-pillar reinforcement plate 1 facing downward forms a first deformed soft zone 11, where the first deformed soft zone 11 has a first bend, and where a boss 12 and a liquid leakage hole 13 are disposed in a region of the first deformed soft zone 11 outside the first bend.

Specifically, the automobile B column is symmetrically arranged at the left side and the right side of the automobile. The automobile B pillar provided on the left side of the automobile will be described as an example. The B-pillar inner plate 3 is a U-shaped groove-shaped structure formed by protruding towards one side of the inside of the automobile, the B-pillar reinforcing plate 1 is a U-shaped groove-shaped structure formed by protruding towards one side of the outside of the automobile, the B-pillar reinforcing plate 1 and the B-pillar inner plate 3 are matched to enclose to form a cavity, the patch plate 2 is located in the cavity, the patch plate 2 is matched with the B-pillar reinforcing plate 1 in the extending direction, the length of the patch plate 2 is smaller than that of the B-pillar reinforcing plate 1, the patch plate is only connected with the part, facing the upper side of the automobile, of the B-pillar reinforcing plate 1 and the B-pillar inner plate 3 approximately form an I shape, and the vertical parts of the B-pillar reinforcing plate 1 and the B-pillar inner plate 3 are gradually reduced in cross section size from bottom to top. The first bending portion is generally located at an end of the first deformation soft region 11 connected to the upper portion of the B-pillar reinforcement plate 1, that is, an upper end of the first deformation soft region 11, and an area of the first deformation soft region 11 outside the first bending portion may be a lower end of the first deformation soft region 11. The weeping hole 13 is used for coating weeping and can be a round hole or a square hole.

In this embodiment, the patch panel (also referred to as a patch reinforcement panel, or patch reinforcement plate) 2 is a reinforcement panel, the B-pillar reinforcement panel 1 and the patch panel 2 are used for reinforcing the B-pillar inner panel 3, and since the patch panel 2 is connected with the upper portion of the B-pillar reinforcement panel 1, the strength of the upper portion of the B-pillar reinforcement panel 1 is high, the intrusion of the upper portion of the B-pillar into the vehicle during side collision is reduced, and the deformation of the lower portion of the B-pillar is slowed down. Since the lower part of the B-pillar reinforcement plate 1 has a lower strength than the upper part of the B-pillar reinforcement plate 1, the lower part can be regarded as a first deformed soft zone 11, in other words, the zone is softer and more deformable than the upper part of the B-pillar reinforcement plate 1, and the upper end of the zone can be provided with a first bend. Therefore, when side collision occurs, the first bending part of the first deformation soft region 11 can be bent and deformed, and the liquid leakage hole 13 is designed in the area outside the first bending part of the first deformation soft region 11, namely the area with relatively smaller deformation, so that the deformation of the liquid leakage hole 13 is slowed down, the boss 12 can be utilized to improve the local strength of the first deformation soft region 11, weaken the deformation extrusion of the first deformation soft region near the liquid leakage hole, reduce the stress concentration at the liquid leakage hole 13, further avoid the cracking of the liquid leakage hole 13, and ensure the normal use of the automobile B column.

As shown in fig. 2 to 3, alternatively, the boss 12 is formed by protruding the first deformation soft region 11 toward the vehicle exterior side.

In the present embodiment, the boss 12 is formed by protruding from the part of the first deformation soft zone 11 to the outside of the vehicle, and the boss 12 is integrally formed with the first deformation soft zone 11, with good strength. The boss 12 may be a circular boss, a square boss, or the like. The bosses 12 may be provided in an appropriate number as desired.

Optionally, a region of the first deformation soft zone 11 outside the first bending portion is provided with a door hinge mounting portion 14, an edge of the door hinge mounting portion 14 is provided with a transition fillet 15, and at least part of the weeping hole 13 is located around the transition fillet 15.

In this embodiment, the first deformation soft area 11 is a U-shaped groove structure with an inward opening, and the weeping holes 13 may be disposed on two side walls of the U-shaped groove, the door hinge mounting portion 14 may be disposed on a bottom wall of the U-shaped groove, the door hinge mounting portion 14 may be a mounting protrusion, one end of the door hinge is connected to the door hinge mounting portion 14, and the other end is connected to the door panel. By providing the transition fillet 15 at the edge of the door hinge mounting portion 14, the radian of the transition fillet can be set smaller, and the flow of the material and the degree of deformation extrusion can be appropriately slowed down. The B column reinforcing plate 1 is prevented from being broken integrally due to overlarge strain caused by concentrated stress at the position of the liquid leakage hole 13.

As shown in fig. 4, optionally, a second bending position is formed at a position of the B pillar inner panel 3 corresponding to the first bending position, and a wire harness hole 31 is provided at a region of the B pillar inner panel 3 outside the second bending position.

In this embodiment, the wire harness hole 31 may be a circular hole or a square hole, and may be used for penetrating related wires, when the automobile side bumps, the B-pillar reinforcing plate 1 is bent and deformed at the first bending position, the B-pillar inner plate 3 is bent and deformed at the second bending position, and the wire harness hole 31 is provided in the area outside the second bending position through one end of the B-pillar inner plate 3 facing downward, that is, the wire harness hole 31 avoids the area with larger deformation on the B-pillar inner plate 3, so as to ensure that the B-pillar inner plate 3 cannot deform and crack at the position of the wire harness hole 31, and prolong the service life of the B-pillar of the automobile.

As shown in fig. 4, alternatively, a second deformed soft zone 32 is formed at a position of the B pillar inner panel 3 corresponding to the first deformed soft zone 11, the second bent position is located at an end of the second deformed soft zone 32 facing upward of the automobile, the cross-sectional dimension of the second deformed soft zone 32 gradually increases from an end near the upward of the automobile to an end near the downward of the automobile, and the harness hole 31 is provided at an end of the second deformed soft zone 32 facing downward of the automobile.

In this embodiment, the downward end of the B-pillar inner panel 3 forms a second deformed soft region, and the second deformed soft region 32 is connected with other portions of the B-pillar inner panel 3, that is, the upper end of the second deformed soft region 32 is provided with a second bent portion, so that the beam hole 31 is disposed at a position with a larger cross-sectional dimension on the second deformed soft region 32, which can avoid the situation that the B-pillar inner panel 3 breaks at the beam hole 31 due to stress.

As shown in fig. 2, the automobile B-pillar optionally further includes a patch panel reinforcement plate 4, where the patch panel reinforcement plate 4 is disposed on a side of the B-pillar inner panel 3 facing the B-pillar reinforcement plate 1, and the patch panel reinforcement plate 4 is connected to an end of the B-pillar inner panel 3 facing the upper side of the automobile.

In this embodiment, the patch panel reinforcement plate 4 is used to reinforce the B pillar inner panel 3, and the patch panel reinforcement plate 4 is connected with the upper end of the B pillar inner panel 3, so as to enhance the strength of the upper end of the B pillar inner panel 3, that is, the area with a narrower cross section on the B pillar inner panel 3, compensate for the insufficient strength of the B pillar inner panel 3 caused by the reduced cross section size, avoid the larger deformation of the upper end of the B pillar, reduce the intrusion amount and intrusion speed of the upper portion of the B pillar into the vehicle interior space, and protect the safety of passengers.

The patch panel 2 may be spot-welded to the B-pillar reinforcement panel 1, and the patch panel reinforcement panel 4 may be spot-welded to the B-pillar inner panel 3.

As shown in fig. 2, alternatively, two patch panel reinforcing panels 4 are provided, and the two patch panel reinforcing panels 4 are respectively located on both sides of the patch panel 2 in the front-rear direction of the vehicle.

In this embodiment, the two ends of the B-pillar inner panel 3 in the front-rear direction of the vehicle are respectively connected with the patch panel reinforcement panel 4, improving the stress uniformity of the B-pillar inner panel 3.

As shown in fig. 2 and 5, optionally, the patch panel reinforcement panel 4 includes a first panel 41 and a second panel 42 that are connected to each other and disposed at an angle, the B-pillar inner panel 3 has two connection surfaces disposed at an angle to each other, and the first panel 41 and the second panel 42 are respectively connected to the two connection surfaces of the B-pillar inner panel 3.

In this embodiment, the patch panel reinforcement plate 4 has a substantially L-shaped structure, the B-pillar inner plate 3 has a U-shaped groove structure protruding inward, the first plate 41 of the two patch panel reinforcement plates 4 are respectively connected to the bottom wall of the U-shaped groove, and the second plate 42 of the two patch panel reinforcement plates 4 are respectively connected to the two side walls of the U-shaped groove. The patch panel reinforcing plate 4 is connected with the B-pillar inner plate 3 through a plurality of plate bodies which are arranged at an angle, so that the connection stability between the patch panel reinforcing plate 4 and the B-pillar inner plate 3 is improved.

The other embodiment of the utility model provides an automobile side wall, which comprises the automobile B column. Compared with the prior art, the automobile side wall has the same advantages as the automobile B column, and the description is not repeated.

An embodiment of the utility model further provides an automobile comprising the automobile side wall. Compared with the prior art, the automobile has the same advantages as the automobile side wall, and the description is not repeated.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The utility model provides an automobile B post, its characterized in that includes B post reinforcing plate (1), patch board (2) and B post inner panel (3), B post reinforcing plate (1) is located B post inner panel (3) are towards one side outside the car, just B post reinforcing plate (1) with B post inner panel (3) cooperation installation, patch board (2) are located between B post reinforcing plate (1) and B post inner panel (3), just patch board (2) with B post reinforcing plate (1) are connected towards the one end of automobile top, B post reinforcing plate (1) are towards one end of automobile below formation first deformation soft zone (11), first deformation soft zone (11) have first bending department, first deformation soft zone (11) be equipped with boss (12) and weeping hole (13) in the region outside first bending department.

2. The automobile B pillar according to claim 1, wherein the boss (12) is formed by the first deformed soft zone (11) protruding to the vehicle exterior side.

3. The automobile B-pillar according to claim 1, characterized in that the area of the first deformation soft zone (11) outside the first fold is provided with a door hinge mounting portion (14), the edge of the door hinge mounting portion (14) is provided with a transition fillet (15), at least part of the weeping hole (13) is located around the transition fillet (15).

4. The automotive B-pillar according to claim 1, characterized in that a second bend is formed in the B-pillar inner panel (3) at a position corresponding to the first bend, and a wire harness hole (31) is provided in an area of the B-pillar inner panel (3) outside the second bend.

5. The automobile B pillar according to claim 4, wherein a second deformed soft zone (32) is formed at a position of the B pillar inner panel (3) corresponding to the first deformed soft zone (11), the second bent position is located at an end of the second deformed soft zone (32) facing upward of the automobile, a cross-sectional dimension of the second deformed soft zone (32) gradually increases from an end near the upward of the automobile to an end near the downward of the automobile, and the harness hole (31) is provided at an end of the second deformed soft zone (32) facing downward of the automobile.

6. The automobile B-pillar according to claim 1, further comprising a patch panel reinforcement panel (4), wherein the patch panel reinforcement panel (4) is provided on a side of the B-pillar inner panel (3) facing the B-pillar reinforcement panel (1), and the patch panel reinforcement panel (4) is connected to an end of the B-pillar inner panel (3) facing the automobile upper side.

7. The automobile B pillar according to claim 6, wherein two of the patch panel reinforcing panels (4) are provided, and the two patch panel reinforcing panels (4) are respectively located on both sides of the patch panel (2) in the front-rear direction of the automobile.

8. The automobile B-pillar according to claim 6, wherein the patch panel reinforcement panel (4) comprises a first panel body (41) and a second panel body (42) which are connected to each other and are disposed at an angle to each other, the B-pillar inner panel (3) has two connection surfaces disposed at an angle to each other, and the first panel body (41) and the second panel body (42) are respectively connected to the two connection surfaces of the B-pillar inner panel (3).

9. An automotive side fascia comprising an automotive B pillar according to any one of claims 1 to 8.

10. An automobile comprising the automobile side wall of claim 9.