Top cover cross beam and B column connecting structure

Abstract

The utility model relates to the technical field of automobile manufacturing, in particular to a top cover beam and B column connecting structure which comprises a B column reinforcing plate (1). The two sides of the B column reinforcing plate (1) are connected with a side wall outer plate (2) and a boundary beam inner plate (3) respectively. The B column reinforcing plate (1) comprises an extension section (4); the extension section (4) is connected with the top cover cross beam (5); the end part of the B column reinforcing plate extends and is bent to form an extension section; the extension section is in bolted connection with the top cover cross beam, so that stable connection between the B column reinforcing plate and the top cover cross beam can be realized; the extending section and the B column reinforcing plate are of an integrated structure, independent welding support installation is not needed, welding procedures are not added, the light weight of a vehicle body is improved, and the production cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile manufacturing, specifically, the utility model relates to a roof cross beam and B column connecting structure. BACKGROUND

[0002] The current roof cross beam or sunroof reinforcing ring and B column connecting structure is mostly a structure that a support is welded on the B column inner plate and is installed with the roof cross beam (or sunroof reinforcing ring), which increases the weight of the welding support, simultaneously needs to increase the welding process and related tool clamps, increases the welding process cost, and after adding the parts, the size chain is increased, which is not conducive to controlling the installation point size.

[0003] The applicant found, through retrieval, that the Chinese patent document with publication number 204775494U disclosed a reinforcing structure for connecting a vehicle body B column and a roof cross beam on November 18, 2015, which includes a roof cross beam, a vehicle body B column, a reinforcing part arranged between the vehicle body B column and the roof cross beam, the lower part of the reinforcing part is connected with the vehicle body B column, the upper part of the reinforcing part is connected with the roof cross beam, and the reinforcing part is fixed with the vehicle body B column and the roof cross beam by bolts, and the reinforcing part is a center-symmetrical structure; the device cannot solve the above technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide a roof cross beam and B column connecting structure that can realize stable connection of the roof cross beam and the B column, does not need a welding support, and can reduce production cost. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a roof cross beam and B column connecting structure that can realize stable connection of the roof cross beam and the B column, does not need a welding support, and can reduce production cost.

[0006] In order to solve the above technical problems, the utility model adopts the technical scheme: a roof cross beam and B column connecting structure, which includes a B column reinforcing plate; the B column reinforcing plate is connected with a side wall outer plate and a side beam inner plate on both sides; the B column reinforcing plate includes an extension section; the extension section is connected with the roof cross beam.

[0007] The B column reinforcing plate includes a bending section; the bending section is connected with a connecting section; the connecting section is connected with the side wall outer plate and the side beam inner plate on both sides; and the end of the connecting section is connected with the extension section.

[0008] The extension section is provided with a first bolt hole; the roof cross beam includes a cross beam mounting section; the cross beam mounting section is provided with a second bolt hole; a bolt is connected in the second bolt hole; and the bolt is connected with the first bolt hole.

[0009] The side outer plate comprises an outer plate connecting section and an outer plate mounting section; the outer plate mounting section is connected with the connecting section; the roof cross beam is connected with a roof outer plate; the roof outer plate is connected with the outer plate connecting section.

[0010] The B pillar reinforcing plate is provided with a side beam reinforcing plate away from the side outer plate; the side beam reinforcing plate is connected with the side beam inner plate.

[0011] The side beam reinforcing plate comprises a reinforcing plate bending section; the reinforcing plate bending section is connected with a reinforcing plate connecting section; the reinforcing plate bending section is connected with the bending section and the connecting section respectively; the reinforcing plate connecting section is connected with the side beam inner plate; a cavity is arranged between the reinforcing plate bending section and the side beam inner plate.

[0012] One end of the side beam inner plate is provided with an inner plate connecting section, and the other end of the side beam inner plate is provided with an inner plate mounting section; one side of the inner plate connecting section is connected with the reinforcing plate connecting section; the other side of the inner plate connecting section is connected with a B pillar inner plate; the inner plate mounting section is connected with the connecting section.

[0013] The beneficial effects of the present application are:

[0014] The end of the B pillar reinforcing plate is extended and bent to form an extension section; a first bolt hole is arranged on the extension section; a second bolt hole is arranged on the roof cross beam; the first bolt hole and the second bolt hole are connected with a bolt, so that stable connection between the B pillar reinforcing plate and the roof cross beam is achieved; the extension section and the B pillar reinforcing plate are an integral structure, and a separate support does not need to be welded and mounted, and a welding process is not increased, which is beneficial to improving the lightweight of the vehicle body and greatly reducing the production cost; meanwhile, the installation structure is avoided to be made on the side beam reinforcing plate (or the side beam inner plate), the material utilization rate is improved by about 15%, the waste of raw materials is avoided, and the cost is more controlled; the B pillar reinforcing plate is directly connected with the roof cross beam, which is more beneficial to the transmission of side impact force. BRIEF DESCRIPTION OF DRAWINGS

[0015] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which:

[0016] Figure 1 It is a structural schematic view of the roof cross beam and the B pillar connection structure.

[0017] The marks in the above figures are:

[0018] The marks in the figures are:

[0019] 1, B pillar reinforcing plate, 101, bending section, 102, connecting section,

[0020] 2, side outer plate, 201, outer plate connecting section, 202, outer plate mounting section,

[0021] 3. side beam inner plate, 301, inner plate connecting section, 302, inner plate mounting section,

[0022] 4. extension section, 401, first bolt hole,

[0023] 5. roof cross beam, 501, cross beam mounting section, 502, second bolt hole,

[0024] 6. roof outer plate,

[0025] 7. side beam reinforcement plate, 701, reinforcement plate bending section, 702, reinforcement plate connecting section,

[0026] 8. cavity,

[0027] 9. B-pillar inner plate. DETAILED DESCRIPTION

[0028] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, and the purpose is to help the technical personnel in the field to have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to help them to implement it.

[0029] Figure 1 The roof cross beam and B-pillar connecting structure shown, comprising a B-pillar reinforcement plate 1; the B-pillar reinforcement plate 1 is connected with a side wall outer plate 2 and a side beam inner plate 3 on both sides; the B-pillar reinforcement plate 1 comprises an extension section 4; the extension section 4 is connected with a roof cross beam 5.

[0030] The end of the B-pillar reinforcement plate 1 extends and bends out the extension section 4; the extension section 4 is bolted with the roof cross beam 5, that is, the stable connection of the B-pillar reinforcement plate 1 and the roof cross beam 5 can be realized; the extension section 4 and the B-pillar reinforcement plate 1 are an integral structure, without the need for separate welding bracket installation, without increasing the welding process, which is conducive to improving the lightweight of the vehicle body and greatly reducing the production cost; at the same time, it avoids installing the structure on the side beam reinforcement plate 7 (or the side beam inner plate 3), improves the material utilization rate by about 15%, avoids waste of raw materials, and is more conducive to cost control; by directly connecting the B-pillar reinforcement plate 1 and the roof cross beam 5, it is more conducive to side impact force transmission.

[0031] The B-pillar reinforcement plate 1 comprises a bending section 101; the bending section 101 is connected with a connecting section 102; the two sides of the connecting section 102 are connected with the side wall outer plate 2 and the side beam inner plate 3 respectively; and the end of the connecting section 102 is connected with the extension section 4.

[0032] The bending section 101 and the connecting section 102 are an integral structure; the cross section of the bending section 101 is L-shaped; the connecting section 102 is inclinedly arranged with the bending section 101; the side wall outer plate 2 is welded on the top surface of the connecting section 102; the side beam inner plate 3 is welded on the bottom surface of the connecting section 102; and the connecting section 102 and the extension section 4 are an integral structure.

[0033] The first bolt hole 401 is arranged on the extension section 4; the top cover cross beam 5 comprises a cross beam mounting section 501; the second bolt hole 502 is arranged on the cross beam mounting section 501; the bolt is connected in the second bolt hole 502; and the bolt is connected with the first bolt hole 401.

[0034] The bolt is connected with the first bolt hole 401 and the second bolt hole 502, so that the extension section 4 and the top cover cross beam 5 are fixedly connected; and the cross beam mounting section 501 has a U-shaped cross section.

[0035] The side wall outer plate 2 comprises an outer plate connecting section 201 and an outer plate mounting section 202; the outer plate mounting section 202 is connected with the connecting section 102; the top cover cross beam 5 is connected with the top cover outer plate 6; and the top cover outer plate 6 is connected with the outer plate connecting section 201.

[0036] The side wall outer plate 2 has a "J" shaped cross section; the outer plate connecting section 201 and the outer plate mounting section 202 are integrated structures and have L-shaped cross sections; the outer plate connecting section 201 is welded with the top cover outer plate 6; and the outer plate mounting section 202 is welded on the top surface of the connecting section 102.

[0037] The B column reinforcing plate 1 is provided with the side beam reinforcing plate 7 away from the side wall outer plate 2; and the side beam reinforcing plate 7 is connected with the side beam inner plate 3.

[0038] The side beam reinforcing plate 7 is fixedly connected with the B column reinforcing plate 1 and the side beam inner plate 3 respectively, so that the structural strength and rigidity of the side beam inner plate 3 are effectively enhanced.

[0039] The side beam reinforcing plate 7 comprises a reinforcing plate bending section 701; the reinforcing plate bending section 701 is connected with a reinforcing plate connecting section 702; the reinforcing plate bending section 701 is connected with the bending section 101 and the connecting section 102 respectively; the reinforcing plate connecting section 702 is connected with the side beam inner plate 3; and the reinforcing plate bending section 701 is provided with the cavity 8 between the side beam inner plate 3.

[0040] The reinforcing plate bending section 701 has a U-shaped cross section; the reinforcing plate bending section 701 is welded with the bending section 101 and the connecting section 102; the reinforcing plate connecting section 702 and the reinforcing plate bending section 701 are integrated structures; a bending angle is arranged between the reinforcing plate connecting section 702 and the reinforcing plate bending section 701; and the reinforcing plate connecting section 702 is welded with the side beam inner plate 3.

[0041] One end of the side beam inner plate 3 is provided with an inner plate connecting section 301, and the other end of the side beam inner plate 3 is provided with an inner plate mounting section 302; one side of the inner plate connecting section 301 is connected with the reinforcing plate connecting section 702; the other side of the inner plate connecting section 301 is connected with the B column inner plate 9; and the inner plate mounting section 302 is connected with the connecting section 102.

[0042] One side of the inner plate connecting section 301 is welded with the reinforcing plate connecting section 702; the other end of the inner plate connecting section 301 is welded with the B column inner plate 9; and the side beam inner plate 3 has an L-shaped cross section.

[0043] The specific working process of the utility model is as follows:

[0044] The end of the B column reinforcing plate 1 is extended and bent to form an extension section 4; the extension section 4 is bolted to the roof cross beam 5, thereby realizing the stable connection between the B column reinforcing plate 1 and the roof cross beam 5.

[0045] The utility model is described above in conjunction with the drawings. Obviously, the specific implementation of the utility model is not limited by the above method. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or without improvement, the above concept and technical scheme of the utility model are directly applied to other occasions, which are within the protection scope of the utility model.

Claims

1. A connection structure between a roof beam and a B-pillar, characterized in that: It includes a B-pillar reinforcement plate (1); the B-pillar reinforcement plate (1) is connected to a side outer plate (2) and a side beam inner plate (3) on both sides respectively; the B-pillar reinforcement plate (1) includes an extension section (4); the extension section (4) is connected to the top cover beam (5).

2. The connection structure between the roof beam and the B-column according to claim 1, characterized in that: The B-pillar reinforcement plate (1) includes a bending section (101); the bending section (101) is connected to a connecting section (102); the two sides of the connecting section (102) are respectively connected to the outer side panel (2) and the inner side beam panel (3); and the end of the connecting section (102) is connected to the extension section (4).

3. The connection structure between the roof beam and the B-pillar according to claim 2, characterized in that: The extension section (4) is provided with a first bolt hole (401); the top cover beam (5) includes a beam mounting section (501); the beam mounting section (501) is provided with a second bolt hole (502); a bolt is connected in the second bolt hole (502); the bolt is connected to the first bolt hole (401).

4. A connection structure between the roof beam and the B-pillar according to any one of claims 2-3, characterized in that: The side panel (2) includes an outer panel connecting section (201) and an outer panel mounting section (202); the outer panel mounting section (202) is connected to the connecting section (102); the top cover beam (5) is connected to the top cover outer panel (6); the top cover outer panel (6) is connected to the outer panel connecting section (201).

5. The connection structure between the roof beam and the B-pillar according to claim 4, characterized in that: The B-pillar reinforcing plate (1) is provided with a side beam reinforcing plate (7) on the side away from the side outer plate (2); the side beam reinforcing plate (7) is connected to the side beam inner plate (3).

6. The connection structure between the roof beam and the B-pillar according to claim 5, characterized in that: The edge beam reinforcing plate (7) includes a reinforcing plate bending section (701); the reinforcing plate bending section (701) is connected to a reinforcing plate connecting section (702); the reinforcing plate bending section (701) is connected to the bending section (101) and the connecting section (102) respectively; the reinforcing plate connecting section (702) is connected to the edge beam inner plate (3); a cavity (8) is provided between the reinforcing plate bending section (701) and the edge beam inner plate (3).

7. The connection structure between the roof beam and the B-pillar according to claim 6, characterized in that: One end of the inner plate of the side beam (3) is provided with an inner plate connecting section (301), and the other end of the inner plate of the side beam (3) is provided with an inner plate mounting section (302); one side of the inner plate connecting section (301) is connected to the reinforcing plate connecting section (702); the other side of the inner plate connecting section (301) is connected to the B-column inner plate (9); the inner plate mounting section (302) is connected to the connecting section (102).

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