Vehicle door anti-collision energy absorption structure and vehicle

Abstract

The utility model discloses a vehicle door anti-collision energy-absorbing structure and a vehicle, which comprise a main anti-collision beam, a second anti-collision beam, a third anti-collision beam, a fourth anti-collision beam and a fourth anti-collision beam, one end of the energy-absorbing part is connected with the main anti-collision beam, and the other end of the energy-absorbing part is connected with the vehicle door inner plate. The main anti-collision beam and the energy absorption part are arranged on the vehicle door at the same time, the energy absorption part is connected with the main anti-collision beam, the energy absorption capacity of the vehicle door during side collision is improved, the energy absorption part is connected with the main anti-collision beam, the force transmission path for transmitting side collision energy from the energy absorption part to the main anti-collision beam and the vehicle door inner plate is increased, the deformation resistance of the vehicle door is improved, and the service life of the vehicle door is prolonged. And the protection effect on the inside of the passenger compartment during side collision is further improved.

Description

Technical Field

[0001] The utility model relates to the field of vehicles, in particular to an anti-collision energy absorption structure of a vehicle door and a vehicle. Background Art

[0002] The anti-collision structure of the vehicle door can improve the anti-deformation ability of the door during a side collision, thereby protecting the occupants in the passenger compartment. However, the anti-collision ability of the existing door anti-collision structure is insufficient, and when the vehicle collides, the door cannot effectively protect the occupants in the vehicle. Utility Model Content

[0003] The utility model aims to solve the problem that the energy absorption structure in the vehicle door is not provided in the prior art, resulting in insufficient anti-collision ability of the vehicle door anti-collision structure during side collision. To this end, the purpose of the utility model is to propose an anti-collision energy absorption structure for a vehicle door to solve the problem existing in the prior art.

[0004] To achieve the above-mentioned purpose, an embodiment of the utility model proposes a vehicle door anti-collision energy absorption structure on one hand, including a main anti-collision beam, wherein both ends of the main anti-collision beam are respectively connected to the vehicle door inner panel; an energy absorbing part, wherein one end of the energy absorbing part is connected to the main anti-collision beam, and the other end is connected to the vehicle door inner panel.

[0005] According to an embodiment of the utility model, a vehicle door anti-collision energy absorption structure is provided, which includes a main anti-collision beam and an energy absorbing part. The energy absorbing part is provided on the vehicle door while the main anti-collision beam is provided. The energy absorbing part can fully absorb the impact energy during a side collision. By providing the main anti-collision beam and the energy absorbing structure at the same time, the anti-collision ability of the vehicle door during a side collision can be improved, and the deformation resistance and energy absorption capacity of the vehicle door can be improved, thereby providing effective protection for the passenger compartment. By connecting one end of the energy absorbing part to the main anti-collision beam and the other end to the inner panel of the vehicle door, the side impact force received by the energy absorbing part is transmitted to the main anti-collision beam and the inner panel of the vehicle door, thereby dispersing the side impact force received by the energy absorbing part and further improving the deformation resistance of the vehicle door.

[0006] According to some embodiments of the present invention, the energy absorbing portion is arranged below the main anti-collision beam.

[0007] According to some embodiments of the utility model, the energy absorbing part includes a supporting part and an energy absorbing body, the energy absorbing part is connected to the main anti-collision beam and the door inner panel through the supporting part, the energy absorbing body is arranged on the supporting part, and the energy absorbing body is arranged in a honeycomb shape.

[0008] According to some embodiments of the utility model, the supporting portion includes a mounting plate and a frame which are separately arranged, the energy absorbing body is arranged on the mounting plate, and the energy absorbing portion is connected to the main anti-collision beam and the door inner panel through the frame.

[0009] According to some embodiments of the present invention, a secondary anti-collision beam is further included, one end of which is connected to the middle part of the main anti-collision beam, and the other end of which is connected to the inner panel of the vehicle door.

[0010] According to some embodiments of the present utility model, an anti-collision beam reinforcement plate is provided at the connection between the main anti-collision beam and the auxiliary anti-collision beam, and the anti-collision beam reinforcement plate is provided on a side of the main anti-collision beam close to the interior of the vehicle.

[0011] According to some embodiments of the utility model, an anti-collision beam connecting plate is further included, wherein the anti-collision beam connecting plate is arranged on the inner panel of the vehicle door, one end of the anti-collision beam connecting plate is connected to the main anti-collision beam, and the other end is connected to the auxiliary anti-collision beam.

[0012] In order to achieve the above-mentioned object, another embodiment of the present invention provides a vehicle door, including the above-mentioned vehicle door anti-collision energy absorption structure.

[0013] In order to achieve the above object, another embodiment of the present invention provides a vehicle, including a vehicle body and the above-mentioned vehicle door, wherein the vehicle door is installed on the vehicle body.

[0014] According to another embodiment of the utility model, the vehicle body includes a vehicle body main body and a side panel reinforcement bracket, one end of the side panel reinforcement bracket is connected to the inner plate of the door sill beam of the vehicle body main body, and the other end is connected to the front section of the rear longitudinal beam of the vehicle body main body.

[0015] The above-mentioned utility model scheme provides a door anti-collision energy absorption structure provided with an energy absorbing part, and connects the energy absorbing part inside the door to the main anti-collision beam of the door, thereby improving the anti-collision ability of the door when it is hit from the side, and connects one end of the energy absorbing part to the main anti-collision beam and the other end to the inner panel of the door, so that the side impact force received by the energy absorbing part is transmitted to the main anti-collision beam and the inner panel of the door, thereby dispersing the side impact force received by the energy absorbing part and further improving the deformation resistance of the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a vehicle door anti-collision energy absorption structure according to an embodiment of the utility model;

[0017] Figure 2 It is a structural schematic diagram of an energy absorbing part of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of an anti-collision beam reinforcement plate of an embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a side wall reinforcement bracket according to an embodiment of the utility model;

[0020] Figure 5 It is a schematic diagram of the side panel reinforcement structure of another embodiment of the utility model.

[0021] Reference numerals:

[0022] 1-main anti-collision beam, 11-main anti-collision beam weight reduction hole, 2-energy absorption part, 20-support part, 21-energy absorption body, 201-mounting plate, 202-frame, 2021-side frame, 2022-bottom frame, 3-secondary anti-collision beam, 4-anti-collision beam reinforcement plate, 41-anti-collision beam reinforcement plate weight reduction hole, 5-anti-collision beam connecting plate, 6-hinge reinforcement plate, 7-side wall reinforcement bracket, 8-sill beam inner plate, 9-rear longitudinal beam front section, 10-C-pillar lower section reinforcement plate, 11-AC column overlap reinforcement plate, 12-upper side beam, 13-door inner panel, 14-body. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] A vehicle door anti-collision energy absorption structure proposed in an embodiment of the utility model is described below with reference to the accompanying drawings.

[0025] According to some embodiments of the utility model, the vehicle door anti-collision energy absorption structure includes a main anti-collision beam 1, both ends of which are respectively connected to the vehicle door inner panel 13; an energy absorbing part 2, one end of the energy absorbing part 2 is connected to the main anti-collision beam 1, and the other end is connected to the vehicle door inner panel 13.

[0026] Specifically, Figure 1 As shown, the main anti-collision beam 1 is arranged to be connected to the side of the door inner panel 13 close to the outside of the vehicle, one end of the main anti-collision beam 1 is connected to the side of the door inner panel 13 close to the front of the vehicle, and the other end is connected to the side of the door inner panel 13 close to the rear of the vehicle. The energy absorbing part 2 is arranged to be connected to the main anti-collision beam 1. By arranging the main anti-collision beam 1 and the energy absorbing part 2 at the same time, the anti-collision energy absorbing structure of the door has the function of resisting side collision deformation and taking into account energy absorption, thereby increasing the protection of the occupants in side collision conditions. By connecting the energy absorbing part 2 to the main anti-collision beam 1, while the energy absorbing part 2 fully absorbs energy and collapses, the collision force is further transmitted to the main anti-collision beam 1, thereby improving the anti-deformation ability of the vehicle door. The main anti-collision beam 1 is provided with a main anti-collision beam weight reduction hole 11 on the premise of meeting the stiffness. In one embodiment, the main anti-collision beam weight reduction hole 11 is arranged in two, and the two main anti-collision beam weight reduction holes 11 are respectively arranged at the two ends of the main anti-collision beam 1, thereby further strengthening the lightweight of the main anti-collision beam 1. In some other embodiments, the main anti-collision beam weight-reducing holes 11 can be set to other numbers, and the positions can be adjusted according to the compatibility of the main anti-collision beam 1 and the vehicle, as long as the lightweight performance of the main anti-collision beam 1 can be met.

[0027] According to some embodiments of the present invention, the energy absorbing portion 2 is disposed below the main anti-collision beam 1 .

[0028] Specifically, Figure 1 As shown, the main anti-collision beam 1 is connected to the door inner panel 13, a triangular area is formed below the main anti-collision beam 1, and the energy absorbing part 2 is arranged in the triangular area below the main anti-collision beam 1, and the upper part of the energy absorbing part 2 is connected to the main anti-collision beam 1, and the lower part is connected to the door inner panel 13. By arranging the energy absorbing part 2 below the main anti-collision beam 1, the lower part of the main anti-collision beam 1 is close to the leg position of the occupant, so that the energy absorbing part 2 can better absorb the collision energy of the lower part of the door and better protect the legs of the occupant.

[0029] According to some embodiments of the utility model, the energy absorbing part 2 includes a supporting part 20 and an energy absorbing body 21. The energy absorbing part 2 includes a supporting part 20 and an energy absorbing body 21. The energy absorbing part 2 is connected to the main anti-collision beam 1 and the door inner panel 13 through the supporting part 20. The energy absorbing body 21 is arranged on the supporting part 20, and the energy absorbing body 21 is arranged in a honeycomb shape.

[0030] Specifically, Figure 1 As shown, the energy absorbing body 21 is set in a honeycomb shape, adopts a honeycomb aluminum structure, and is made of aluminum foil and special honeycomb node glue. It has good strength and rigidity, strong corrosion resistance, stable performance, and light weight. It can not only play a good energy absorption role, but also is very beneficial to the lightweight requirement. In one embodiment, the energy absorbing part 2 is connected to the support part 20 by gluing, the upper end of the support part 20 is connected to the main anti-collision beam 1, and the lower end of the support part 20 is connected to the door inner panel 13. The connection between the support part 20 and the main anti-collision beam 1 and the door inner panel 13 is a welding connection method.

[0031] In some other embodiments, the energy absorbing body 21 can be set to other energy absorbing shapes and materials, as long as it can absorb the collision energy. The connection between the support part 20 and the main anti-collision beam 1 and the connection between the support part 20 and the door inner panel 13 can be set to welding or screw connection, as long as they can be firmly connected. In some other embodiments, the support part 20 can be set as a single support plate, the energy absorbing body 21 is directly connected to the support part 20, and the support part 20 is connected to the door inner panel 13.

[0032] According to some embodiments of the utility model, the support portion 20 includes a mounting plate 201 and a frame 202 which are separately arranged, the energy absorbing body 21 is arranged on the mounting plate 201, and the energy absorbing portion 2 is connected to the main anti-collision beam 1 and the door inner panel 13 through the frame 202.

[0033] Specifically, Figure 2As shown, the energy absorbing body 21 is connected to the mounting plate 201, the mounting plate 201 is connected to the frame 202, one end of the frame 202 is connected to the main anti-collision beam 1, and the other end is connected to the door inner panel 13. In one embodiment, the energy absorbing body 21 is connected to the mounting plate 201 by gluing, and the mounting plate 201 is made of carbon fiber composite material. The carbon fiber composite material has high strength and light weight. When combined with the energy absorbing body 21, the weight can be reduced to the greatest extent, meeting the lightweight requirements, and at the same time, the structure of the energy absorbing part 2 meets the strength requirements.

[0034] In some other embodiments, the frame 202 is configured as a side frame 2021 and a bottom frame 2022, the side frame 2021 is configured as two and connected to the mounting plate 201, the bottom frame 2022 is configured as one, and the two ends of the bottom frame 2022 are respectively connected to two different side frames 2021. The other end of the side frame 2021 is connected to the main anti-collision beam 1, and the bottom frame 2022 is connected to the door inner panel 13. The bottom frame 2022 is made of high-strength steel material, and the bottom frame 2022 is connected to the door inner panel 13 by welding. In one embodiment, the side frame 2021 is made of high-strength steel material, the mounting plate 201 and the side frame 2021 are welded, and the side frame 2021 and the bottom frame 2022 are welded. In another embodiment, the side frame 2021 is made of carbon fiber composite material, the mounting plate 201 and the side frame 2021 are screwed, and the side frame 2021 and the bottom frame 2022 are screwed.

[0035] According to some embodiments of the present invention, the door anti-collision energy absorption structure further includes a secondary anti-collision beam 3 , one end of which is connected to the middle of the main anti-collision beam 1 , and the other end is connected to the door inner panel 13 .

[0036] Specifically, Figure 1 As shown, the setting of the auxiliary anti-collision beam 3 further increases the energy absorption capacity of the anti-collision beam, and one end of the auxiliary anti-collision beam 3 close to the middle of the main anti-collision beam 1 is bent toward the main anti-collision beam 1 and connected to the middle of the main anti-collision beam 1. After the auxiliary anti-collision beam 3 is connected to the main anti-collision beam 1, an H shape is formed.

[0037] According to some embodiments of the present utility model, an anti-collision beam reinforcement plate 4 is provided at the connection between the main anti-collision beam 1 and the auxiliary anti-collision beam 3 , and the anti-collision beam reinforcement plate 4 is provided on a side of the main anti-collision beam 1 close to the interior of the vehicle.

[0038] Specifically, Figure 3As shown, in one embodiment, one end of the secondary anti-collision beam 3 is connected to the side of the main anti-collision beam 1 close to the outside of the vehicle, and the anti-collision beam reinforcement plate 4 is arranged on the side of the main anti-collision beam 1 close to the inside of the vehicle. The arrangement of the anti-collision beam reinforcement plate 4 further improves the rigidity of the anti-collision beam connection, and the connection between the main anti-collision beam 1 and the secondary anti-collision beam 3 is more stable, which provides better support when the vehicle door is hit from the side. In another embodiment, the anti-collision beam reinforcement plate 4 is provided with at least one anti-collision beam reinforcement plate weight reduction hole 41, which further improves the lightweight capability while meeting the side impact support capability.

[0039] According to some embodiments of the utility model, the vehicle door anti-collision energy absorption structure also includes an anti-collision beam connecting plate 5, which is arranged on the vehicle door inner panel 13, and one end of the anti-collision beam connecting plate 5 is connected to the main anti-collision beam 1, and the other end is connected to the auxiliary anti-collision beam 3.

[0040] Specifically, Figure 1 As shown, the anti-collision beam connecting plate 5 is configured to be connected to the main anti-collision beam 1 and the auxiliary anti-collision beam 3 at the same time, and is also connected to the door inner panel 13. By configuring the anti-collision beam connecting plate 5, the connection structure between the main anti-collision beam 1 and the auxiliary anti-collision beam 3 is made more stable, and the connection between the main anti-collision beam 1 and the auxiliary anti-collision beam 3 and the door inner panel 13 is made more stable, thereby improving the connection stiffness of the main anti-collision beam 1, the auxiliary anti-collision beam 3, and the door inner panel 13.

[0041] In some other embodiments, such as Figure 1 As shown, the door anti-collision energy absorption structure also includes a hinge reinforcement plate 6, which is connected to the door inner panel 13, and the end of the main anti-collision beam 1 close to the front of the vehicle is connected to the hinge reinforcement plate 6. The hinge reinforcement plate 6 is connected to the main anti-collision beam 1 by welding, and the provision of the hinge reinforcement plate 6 can improve the stability of the connection between the main anti-collision beam 1 and the door, and better improve the connection stiffness between the main anti-collision beam 1 and the door.

[0042] Another embodiment of the present invention provides a vehicle door, comprising the vehicle door anti-collision energy absorption structure.

[0043] Another embodiment of the present invention provides a vehicle, comprising a vehicle body and the above-mentioned vehicle door, wherein the vehicle door is installed on the vehicle body.

[0044] According to another embodiment of the utility model, the vehicle body includes a vehicle body main body 14 and a side panel reinforcement bracket 7, one end of the side panel reinforcement bracket 7 is connected to the rocker beam inner plate 8 of the vehicle body main body 14, and the other end is connected to the rear longitudinal beam front section 9 of the vehicle body main body 14.

[0045] Specifically, Figure 4As shown, when the vehicle is hit from the side, the side of the vehicle will also bear a certain amount of collision energy. Therefore, in addition to setting a collision energy absorption structure on the door to improve the side collision performance of the vehicle, a side reinforcement bracket 7 is also set at the lower part of the side of the vehicle. In one embodiment, the side reinforcement bracket 7 is arranged to extend along the width direction of the vehicle, one end of the side reinforcement bracket 7 is connected to the rear connecting plate of the sill beam inner plate 8, and the other end is connected to the front section 9 of the rear longitudinal beam. The side reinforcement bracket 7 is arranged in a "J" shape, and the "J"-shaped side reinforcement bracket 7 is provided with a flange connected to the sill beam inner plate 8 and the front section 9 of the rear longitudinal beam. The side reinforcement bracket 7 is welded to the sill beam inner plate 8 and the front section 9 of the rear longitudinal beam through the flange. After a side collision occurs, the force transmission path is increased, and the side collision prevention capability of the vehicle side is improved. At the same time, the design in the "J" shape can be lighter in weight and meet the lightweight requirements.

[0046] In some other embodiments, such as Figure 5 As shown, the vehicle side is also provided with a C-pillar lower section reinforcement plate 10 and an AC-pillar overlap reinforcement plate 11. The C-pillar lower section reinforcement plate 10 is arranged between the wheel house outer plate and the lower section of the C-pillar reinforcement plate, and the AC-pillar overlap reinforcement plate 11 is located between the B-pillar upper side beam 12 and the vehicle side outer plate. By arranging the C-pillar lower section reinforcement plate 10 and the AC-pillar overlap reinforcement plate 11, the side anti-collision capability is further improved, and the passenger compartment is better protected.

[0047] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0048] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0049] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0052] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A vehicle door anti-collision energy absorption structure, characterized in that: include: A main anti-collision beam (1), wherein both ends of the main anti-collision beam (1) are respectively connected to the door inner panel (13); An energy absorbing part (2), one end of the energy absorbing part (2) is connected to the main anti-collision beam (1), and the other end is connected to the door inner panel (13).

2. The vehicle door anti-collision energy absorption structure according to claim 1, characterized in that: The energy absorbing portion (2) is arranged below the main anti-collision beam (1).

3. The vehicle door anti-collision energy absorption structure according to claim 2, characterized in that: The energy absorbing part (2) comprises a supporting part (20) and an energy absorbing body (21); the energy absorbing part (2) is connected to the main anti-collision beam (1) and the door inner panel (13) via the supporting part (20); the energy absorbing body (21) is arranged on the supporting part (20); and the energy absorbing body (21) is arranged in a honeycomb shape.

4. The vehicle door anti-collision energy absorption structure according to claim 3, characterized in that: The support portion (20) comprises a mounting plate (201) and a frame (202) which are separately arranged, the energy absorbing body (21) is arranged on the mounting plate (201), and the energy absorbing portion (2) is connected to the main anti-collision beam (1) and the door inner panel (13) through the frame (202).

5. The vehicle door anti-collision energy absorption structure according to claim 4, characterized in that: It also comprises a secondary anti-collision beam (3), one end of which is connected to the middle part of the main anti-collision beam (1), and the other end of which is connected to the door inner panel (13).

6. The vehicle door anti-collision energy absorption structure according to claim 5, characterized in that: An anti-collision beam reinforcement plate (4) is provided at the connection between the main anti-collision beam (1) and the auxiliary anti-collision beam (3), and the anti-collision beam reinforcement plate (4) is provided on a side of the main anti-collision beam (1) close to the interior of the vehicle.

7. The vehicle door anti-collision energy absorption structure according to claim 6, characterized in that: It also includes an anti-collision beam connecting plate (5), which is arranged on the vehicle door inner plate (13), one end of the anti-collision beam connecting plate (5) is connected to the main anti-collision beam (1), and the other end is connected to the auxiliary anti-collision beam (3).

8. A vehicle door, characterized in that: It comprises the vehicle door anti-collision energy absorption structure as described in any one of claims 1-7.

9. A vehicle, characterized in that: The vehicle comprises a vehicle body and the vehicle door as claimed in claim 8, wherein the vehicle door is mounted on the vehicle body.

10. The vehicle according to claim 9, characterized in that The vehicle body comprises a vehicle body main body (14) and a side wall reinforcement bracket (7), wherein one end of the side wall reinforcement bracket (7) is connected to a sill beam inner plate (8) of the vehicle body main body (14), and the other end is connected to a rear longitudinal beam front section (9) of the vehicle body main body (14).

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