Column A lower inner reinforcing plate

Abstract

The utility model discloses an A column lower inner reinforcing plate which comprises a reinforcing plate body, the reinforcing plate body is arranged to be a multi-layer composite plate, the multi-layer composite plate comprises an outer-layer steel plate, a high-strength aluminum alloy plate and an inner-layer steel plate, and the high-strength aluminum alloy plate is arranged between the outer-layer steel plate and the inner-layer steel plate. A plurality of groups of lightening holes are formed in the side surface of the reinforcing plate body, and an auxiliary component for conveniently positioning and mounting the reinforcing plate body is arranged on the side surface of the reinforcing plate body; the auxiliary assembly comprises a positioning block and a positioning module used for positioning the reinforcing plate body and the positioning block, and the positioning block is fixedly installed on the side face of the A column. The reinforcing plate body is arranged to be a multi-layer composite plate, high-strength support is provided through the outer-layer steel plate and the inner-layer steel plate, the overall weight is reduced while the strength is guaranteed through the high-strength aluminum alloy plate, meanwhile, the overall weight is further reduced through the multiple sets of lightening holes, and therefore the structural strength of the lower portion of the A column is improved, and the service life of the lower portion of the A column is prolonged. And the fuel economy of the vehicle is prevented from being influenced by overweight vehicle body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reinforcing plate, specifically to a lower A column inner reinforcing plate. BACKGROUND

[0002] The automobile A column is an important component in the vehicle body structure, which not only supports the roof, but also protects the passengers in the event of a collision. The structural strength of the lower A column directly affects the overall safety performance of the vehicle. The existing lower A column structure usually adopts a single layer of steel plate or a simple reinforcing rib design, which can meet the strength requirements under normal driving conditions, but the lower A column is prone to deformation in the event of a side collision or rollover accident, affecting the integrity of the passenger compartment and threatening the safety of the passengers.

[0003] In order to improve the structural strength of the lower A column, the existing technology usually increases the thickness of the steel plate or the number of reinforcing ribs, but these methods increase the weight of the vehicle body and affect the fuel economy of the vehicle. At the same time, the existing lower A column inner reinforcing plate requires the worker to hold the reinforcing plate for positioning during installation, and another worker installs it, which makes the installation process more complicated. Therefore, we need to propose a lower A column inner reinforcing plate. SUMMARY

[0004] The utility model discloses a kind of lower A column inner reinforcing plates, by being set as multilayer composite board to reinforcing plate body, and by outer layer steel plate and inner layer steel plate provide high-strength support, high-strength aluminum alloy plate reduces overall weight while ensuring strength, while opening several groups of weight reduction holes, further reduce overall weight, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of lower A column inner reinforcing plate, including reinforcing plate body, the reinforcing plate body is set as multilayer composite board, the multilayer composite board includes outer layer steel plate, high-strength aluminum alloy plate and inner layer steel plate, and the high-strength aluminum alloy plate is set between outer layer steel plate and inner layer steel plate;

[0006] The reinforcing plate body side is provided with several groups of weight reduction holes, and the reinforcing plate body side is provided with an auxiliary assembly for facilitating positioning and installation of the reinforcing plate body.

[0007] The auxiliary assembly includes a positioning block and a positioning module for positioning the reinforcing plate body and the positioning block, and the positioning block is fixedly installed on the side surface of the A column.

[0008] Preferably, the positioning module includes a spring plunger and a mounting block, the mounting block is fixedly arranged on the inner side of the reinforcing plate body, the spring plunger is fixedly arranged on the upper surface of the positioning block, and the mounting block is provided with a positioning hole corresponding to the spring plunger.

[0009] Preferably, the positioning block is arranged as a convex block, and the side surface of the reinforcing plate body is provided with a positioning groove corresponding to the positioning block.

[0010] Preferably, the side surface of the reinforcing plate body is provided with a moving groove corresponding to the spring plunger column body, and the moving groove is arranged in communication with the corresponding positioning groove.

[0011] Preferably, the upper side of the reinforcing plate body is provided with an upper turning edge, and the lower side of the reinforcing plate body is provided with a lower turning edge.

[0012] Preferably, the side surface of the upper turning edge and the lower turning edge is provided with a plurality of groups of riveting holes, and the inner side of the plurality of groups of riveting holes is provided with anti-skid lines.

[0013] Preferably, the side surface of the reinforcing plate body is provided with a plurality of groups of energy absorption grooves, and the plurality of groups of energy absorption grooves are not connected with the weight reduction holes.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The reinforcing plate body is arranged as a multi-layer composite plate, and high-strength support is provided through the outer steel plate and the inner steel plate. The high-strength aluminum alloy plate reduces the overall weight while ensuring strength, and further reduces the overall weight by providing a plurality of weight reduction holes. In this way, the strength of the lower part of the A column is improved, and the influence of the heavy vehicle body on the fuel economy of the vehicle is avoided.

[0016] 2. The positioning block is welded to the A column, the positioning block is inserted through the positioning groove in the side surface of the reinforcing plate body, the spring plunger above the positioning block is inserted through the moving groove, and the spring plunger is inserted into the positioning hole in the inner side of the mounting block. In this way, the reinforcing plate body and the A column are preliminarily positioned, the reinforcing plate body and the A column are connected, and the complexity of the installation process is reduced.

[0017] Other features and advantages of the present application will be described in the following description, and some will become apparent from the description, or will be understood from the practice of the application. The purpose and other advantages of the present application can be achieved and obtained by the structure indicated in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a side view of the overall structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the reinforcing plate body structure of the utility model;

[0021] Figure 4 The utility model discloses Figure 1 The structure of A place in the middle is enlarged.

[0022] In the drawing: 1, reinforcing plate body; 2, upper turning edge; 3, lower turning edge; 4, energy absorption groove; 5, riveting hole; 6, weight reduction hole; 7, outer steel plate; 8, high-strength aluminum alloy plate; 9, inner steel plate; 10, positioning block; 11, spring plunger; 12, mounting block; 13, positioning hole; 14, moving groove; 15, positioning groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] As Figures 1-4 The utility model provides a kind of A column lower inner reinforcing plate, including reinforcing plate body 1, reinforcing plate body 1 is set as multilayer composite board, multilayer composite board includes outer steel plate 7, high-strength aluminum alloy plate 8 and inner steel plate 9, and high-strength aluminum alloy plate 8 is set between outer steel plate 7 and inner steel plate 9;Outer steel plate 7, high-strength aluminum alloy plate 8 and inner steel plate 9 are tightly combined by hot-press forming process, and outer steel plate 7 and inner steel plate 9 use high-strength steel material, to ensure the overall quality of reinforcing plate body 1, while setting high-strength aluminum alloy plate 8 between outer steel plate 7 and inner steel plate 9, while ensuring the strength of reinforcing plate body 1, the overall weight is reduced.

[0025] Reinforcing plate body 1 side is provided with several groups of weight reduction holes 6, and several groups of weight reduction holes 6 further reduce the overall weight of reinforcing plate body 1, avoid that the fuel economy of vehicle is influenced by reinforcing plate body 1 because of too heavy, reinforcing plate body 1 side is provided with auxiliary assembly for the positioning installation of reinforcing plate body 1;Auxiliary assembly includes positioning block 10 and the positioning module for the positioning of reinforcing plate body 1 and positioning block 10, positioning block 10 is fixedly installed on A column side, first welding positioning block 10 and A column as a whole, then positioning reinforcing plate body 1 and positioning block 10 through positioning module, to facilitate the connection of A column and reinforcing plate body 1.

[0026] The positioning module comprises a spring plunger 11 and a mounting block 12, the mounting block 12 is fixedly arranged in the inside of the reinforcing plate body 1, the spring plunger 11 is fixedly arranged on the upper surface of the positioning block 10, the inside of the mounting block 12 is provided with a positioning hole 13 corresponding to the spring plunger 11, when the positioning block 10 is positioned with the reinforcing plate body 1, the spring plunger 11 will enter the inside of the reinforcing plate body 1 along with the positioning block 10, then the spring plunger 11 is clamped into the inside of the positioning hole 13 on the side of the mounting block 12, thereby further improving the connection stability of the reinforcing plate body 1 and the positioning block 10, and further facilitating the welding or riveting of the reinforcing plate body 1 and the A column.

[0027] The positioning block 10 is arranged as a convex block, the side of the reinforcing plate body 1 is provided with a positioning groove 15 corresponding to the positioning block 10, the side of the reinforcing plate body 1 is provided with a moving groove 14 corresponding to the column of the spring plunger 11, and the moving groove 14 is arranged in communication with the corresponding positioning groove 15, the positioning block 10 is arranged as a convex block and is clamped into the inside of the positioning groove 15, the two sides of the convex block are clamped into the positioning groove 15 to avoid the relative rotation of the positioning block 10 and the reinforcing plate body 1, thereby ensuring the connection stability between the reinforcing plate body 1 and the positioning block 10.

[0028] The upper side of the reinforcing plate body 1 is provided with an upper turning edge 2, and the lower side of the reinforcing plate body 1 is provided with a lower turning edge 3, the side of the upper turning edge 2 and the lower turning edge 3 is provided with a plurality of groups of riveting holes 5 in communication, and the inside of the plurality of groups of riveting holes 5 is provided with anti-skid lines, the upper turning edge 2 and the lower turning edge 3 are arranged to facilitate the connection of the reinforcing plate body 1 and the inner plate of the A column, the riveting holes 5 are arranged to facilitate the riveting of the reinforcing plate body 1 and the A column, and the anti-skid lines are arranged to improve the strength and stability of the riveting of the reinforcing plate body 1 and the A column.

[0029] The side of the reinforcing plate body 1 is provided with a plurality of groups of energy absorption grooves 4, and the plurality of groups of energy absorption grooves 4 are not connected with the weight reduction holes 6, the energy absorption grooves 4 are commonly used in the design of the automobile body structure, the energy absorption grooves 4 are arranged as grooves, and the energy absorption grooves 4 are designed to deform controllably when a collision occurs, thereby absorbing and consuming part of the impact energy. This design can effectively reduce the energy transmitted to the passenger compartment and reduce the harm to the passengers.

[0030] The working principle of the utility model is: the reinforcing plate body 1 is set as a multilayer composite board, and high strength support is provided through the outer steel plate 7 and the inner steel plate 9, the high strength aluminum alloy plate 8 reduces the overall weight while ensuring the strength, and simultaneously a plurality of groups of lightening holes 6 are set up, further reducing the overall weight, and simultaneously improving the A column lower part structure strength, avoiding that the vehicle body is too heavy to influence the fuel economy of the vehicle, when the reinforcing plate body 1 needs to be connected with the A column, the positioning block 10 is preferentially welded with the A column, then the reinforcing plate body 1 is sleeved on the outer arc surface of the positioning block 10 through the positioning groove 15, and the positioning block 10 is set as a convex block, ensuring the stability of the positioning block 10 after being clamped into the inner side of the positioning groove 15, then when the reinforcing plate body 1 is completely attached to the A column, the spring plunger 11 will be clamped into the positioning hole 13 inside the side of the mounting block 12 along with the positioning block 10, thereby ensuring the strength and stability of the positioning block 10 after being connected with the reinforcing plate body 1, avoiding that the reinforcing plate body 1 is separated from the A column after the staff's hand is away, and thereby facilitating the connection of the reinforcing plate body 1 with the A column, and reducing the complexity of the installation process.

[0031] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lower A-pillar inner reinforcement panel characterized by, Including: reinforcement plate body (1), the reinforcement plate body (1) is provided as multilayer composite board, the multilayer composite board includes outer layer steel sheet (7), high-strength aluminum alloy sheet (8) and inner layer steel sheet (9), and the high-strength aluminum alloy sheet (8) is arranged between outer layer steel sheet (7) and inner layer steel sheet (9); The reinforcement plate body (1) side is provided with a plurality of groups of lightening holes (6), and the reinforcement plate body (1) side is provided with an auxiliary assembly for facilitating positioning and installation of the reinforcement plate body (1); The auxiliary assembly includes a positioning block (10) and a positioning module for positioning the reinforcement plate body (1) and the positioning block (10), and the positioning block (10) is fixedly installed on the side of the A column.

2. The under-A-pillar inner reinforcement panel according to claim 1, characterized by: The positioning module includes a spring plunger (11) and a mounting block (12), the mounting block (12) is fixedly arranged on the inner side of the reinforcement plate body (1), the spring plunger (11) is fixedly arranged on the upper surface of the positioning block (10), and the mounting block (12) is internally provided with a positioning hole (13) corresponding to the spring plunger (11).

3. The under-A-pillar inner reinforcement panel according to claim 2, characterized by: The positioning block (10) is provided as a convex block, and the reinforcement plate body (1) side is provided with a positioning groove (15) corresponding to the positioning block (10).

4. The under-A-pillar inner reinforcement panel of claim 3, wherein: The reinforcement plate body (1) side is provided with a moving groove (14) corresponding to the spring plunger (11) column body, and the moving groove (14) is arranged in communication with the corresponding positioning groove (15).

5. The under-A-pillar inner reinforcement panel of claim 1, wherein: The reinforcement plate body (1) upper side is provided with an upper flange (2), and the reinforcement plate body (1) lower side is provided with a lower flange (3).

6. The under-A-pillar inner reinforcement panel of claim 5, wherein: The upper flange (2) and the lower flange (3) side are provided with a plurality of groups of riveting holes (5), and the inner side of the plurality of groups of riveting holes (5) is provided with anti-skid lines.

7. The under-A-pillar inner reinforcement panel of claim 1, wherein: The reinforcement plate body (1) side is provided with a plurality of groups of energy absorption grooves (4), and the plurality of groups of energy absorption grooves (4) are not connected with the lightening holes (6).

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