Steel door frame structure of automobile outer plate

Abstract

The utility model relates to the technical field of steel door frame structures, in particular to a steel door frame structure of an automobile outer plate, which comprises an automobile door frame, an outer plate is fixedly connected to the back of the automobile door frame, and an anti-impact component is arranged at the bottom of the rear end face of the automobile door frame. The anti-impact assembly comprises a first steel plate which is fixedly welded to one side of the inner wall of the automobile door frame, a first supporting plate is fixedly connected to the surface of the first steel plate, a second steel plate is fixedly welded to the other side of the inner wall of the automobile door frame, and a second supporting plate is fixedly connected to the surface of the second steel plate. The surface of the first supporting plate and the surface of the second steel plate are each provided with two sets of notches, and a reinforcing mechanism is installed between the first supporting plate and the second supporting plate through a connecting mechanism. Energy generated by collision of the side faces of the bottom of the vehicle door frame is effectively absorbed, and the structural firmness is enhanced through cooperation of the reinforcing mechanism and the connecting mechanism; and the risk that the joint is broken due to rigid impact is also avoided.

Description

Technical Field

[0001] This utility model relates to the field of steel door frame structure technology, specifically a steel door frame structure for an automobile outer panel. Background Technology

[0002] The steel door frame structure of the car's outer panel is an important component of the car door. It usually forms the overall frame of the door together with the outer door panel, the inner door panel, and other reinforcing structures. The outer door panel is the outer covering of the door and is usually stamped from a thin alloy material. The door frame reinforcing plate is a key component in the steel door frame structure, used to enhance the strength and rigidity of the door frame. It is usually welded or bolted to the outer door panel to form a sturdy frame.

[0003] Traditional steel door frame anti-collision structures can effectively resist frontal impact forces. However, when faced with an accidental impact from the side of the vehicle's bottom, the side of the key connection part of its reinforcement mechanism is unable to withstand the huge impact force and is prone to breakage. This results in severe deformation of the side of the steel door frame, weakening the protective effectiveness of the anti-collision structure and posing a serious threat. Therefore, a steel door frame structure for automobile outer panels is proposed to address the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a steel door frame structure for automobile outer panels to solve the problem that the sides of the key connection parts of its reinforcement mechanism cannot withstand huge impact forces, are prone to breakage, weaken the protective effectiveness of the anti-collision structure, and pose a serious threat.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A steel door frame structure for an automotive outer panel includes a door frame, with an outer panel fixedly connected to the back of the door frame. An impact-resistant component is provided at the bottom of the rear end face of the door frame. The impact-resistant component includes a first steel plate, which is welded and fixed to one side of the inner wall of the door frame. A first support plate is fixedly connected to the surface of the first steel plate. A second steel plate is welded and fixed to the other side of the inner wall of the door frame. A second support plate is fixedly connected to the surface of the second steel plate. Two sets of slots are provided on the surfaces of the first and second support plates. A reinforcing mechanism is installed between the first and second support plates via a connecting mechanism. The reinforcing mechanism includes a fixing sleeve, with a corrugated plate fixedly connected to the outer side of the fixing sleeve. A fixing rod is fixedly connected to the middle of the fixing sleeve. A spring telescopic rod is hinged to the top of the fixing sleeve via a first mounting seat. A second mounting seat is hinged to the top of the spring telescopic rod. The connecting mechanism includes a fixing cylinder, with a buffer plate fixedly connected to the inner side of the fixing cylinder. A connecting rod is installed on the inner side of the buffer plate. An anti-detachment disc is fixedly connected to the rear end face of the connecting rod.

[0007] As a further optimization of this utility model, the number of slots in each group is set to several, the several slots are arranged at equal intervals, and the shape of the slots is trapezoidal.

[0008] As a further optimization of this utility model, the projected shape of the fixing sleeve is rectangular, the length of the fixing sleeve is adapted to the length of the corrugated plate, and the vertical cross-sectional shape of the corrugated plate is corrugated.

[0009] As a further optimization of this utility model, the first mounting base is located at the center of the top of the fixed sleeve, and the bottom end of the first mounting base is fixedly connected to the upper surface of the fixed sleeve.

[0010] As a further optimization of this utility model, the following features are provided: the first support plate has two connecting mechanisms in the middle, the first support plate has one connecting mechanism in the middle, the first support plate is fixedly connected to the corresponding fixed cylinder, and the second support plate is fixedly connected to the corresponding fixed cylinder.

[0011] As a further optimization of this utility model, the fixed cylinder is provided with a plurality of buffer plates, which are equidistantly arranged on the inner side of the fixed cylinder and located in front of the anti-detachment disc.

[0012] As a further optimization of this utility model, the connecting rod at the bottom is fixedly connected to the fixing rod, and the connecting rod at the top is fixedly connected to the second mounting base.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this invention, the impact-resistant components, by utilizing the slots on the first and second support plates and their deformation, effectively absorb the energy generated by the impact on the bottom side of the door frame, thereby improving the structure's impact resistance. The cooperation between the reinforcement mechanism and the connecting mechanism not only enhances the structural strength but also avoids the risk of breakage at the connection due to rigid impact, thus improving the overall safety. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the impact-resistant component of this utility model;

[0017] Figure 3 This is a side view of the impact-resistant component of this utility model.

[0018] Figure 4 This is a schematic diagram of the structure of the first support plate of this utility model;

[0019] Figure 5 This is a schematic diagram of the connection mechanism of this utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the fixing cylinder of this utility model.

[0021] In the diagram: 1. Door frame; 2. Outer panel; 3. Impact-resistant components; 4. Connecting mechanism;

[0022] 31. First steel plate; 32. First support plate; 33. Second steel plate; 34. Second support plate; 35. Groove; 36. Reinforcing mechanism;

[0023] 361. Fixing sleeve; 362. Corrugated plate; 363. Fixing rod; 364. First mounting base; 365. Spring telescopic rod; 366. Second mounting base;

[0024] 41. Fixing cylinder; 42. Buffer plate; 43. Connecting rod; 44. Anti-detachment disc. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0027] Please see Figure 1-6 This utility model provides a technical solution:

[0028] A steel door frame structure for an automobile outer panel includes a door frame 1, with an outer panel 2 fixedly connected to the back of the door frame 1. An impact-resistant component 3 is provided at the bottom of the rear end face of the door frame 1. The impact-resistant component 3 includes a first steel plate 31, which is welded and fixed to one side of the inner wall of the door frame 1. A first support plate 32 is fixedly connected to the surface of the first steel plate 31. A second steel plate 33 is welded and fixed to the other side of the inner wall of the door frame 1. A second support plate 34 is fixedly connected to the surface of the second steel plate 33. Both the first support plate 32 and the second support plate 34 are made of nickel-based alloy material with a thickness of 2 cm, which has good toughness. Two sets of slots 35 are opened on the surface of both the first support plate 32 and the second steel plate 33. A reinforcing mechanism 36 is installed between a support plate 32 and a second support plate 34 via a connecting mechanism 4. The reinforcing mechanism 36 includes a fixing sleeve 361, a corrugated plate 362 fixedly connected to the outer side of the fixing sleeve 361, a fixing rod 363 fixedly connected to the middle of the fixing sleeve 361, and a spring telescopic rod 365 hinged to the top of the fixing sleeve 361 via a first mounting seat 364. A second mounting seat 366 is hinged to the top of the spring telescopic rod 365. The connecting mechanism 4 includes a fixing cylinder 41, a buffer plate 42 fixedly connected to the inner side of the fixing cylinder 41. The buffer plate 42 is made of titanium alloy and has good ductility. A connecting rod 43 is installed on the inner side of the buffer plate 42, and an anti-detachment disc 44 is fixedly connected to the rear end face of the connecting rod 43.

[0029] As a further implementation of this scheme, each group of slots 35 is set to have a number of slots 35, and the slots 35 are arranged at equal intervals. The slots 35 are trapezoidal in shape and are located on both sides of the first support plate 32 and the second support plate 34. The slots 35 reserve space for the deformation of the first support plate 32 and the second support plate 34.

[0030] As a further implementation of this solution, the projected shape of the fixing sleeve 361 is rectangular, and the length of the fixing sleeve 361 is adapted to the length of the corrugated plate 362. The vertical cross-sectional shape of the corrugated plate 362 is corrugated. When the front of the corrugated plate 362 is impacted, the energy generated by the impact is absorbed by the deformation of the corrugated plate 362, thereby protecting the fixing sleeve 361 behind it.

[0031] As a further implementation of this solution, the first mounting base 364 is located at the middle of the top of the fixed sleeve 361, and the bottom end of the first mounting base 364 is fixedly connected to the upper surface of the fixed sleeve 361, so that the force between the components is more balanced.

[0032] As a further implementation of this solution, there are two connecting mechanisms 4 in the middle of the first support plate 32, and one connecting mechanism 4 in the middle of the first support plate 32. The first support plate 32 is fixedly connected to the corresponding fixed cylinder 41, and the second support plate 34 is fixedly connected to the corresponding fixed cylinder 41. The purpose of this solution is to improve the firmness between the components.

[0033] As a further implementation of this solution, the fixed cylinder 41 is provided with several buffer plates 42, which are arranged equidistantly on the inner side of the fixed cylinder 41. The buffer plates 42 are located in front of the anti-detachment disc 44. The bottom connecting rod 43 is fixedly connected to the fixed rod 363, and the top connecting rod 43 is fixedly connected to the second mounting base 366. The position of the buffer plates 42 is used to limit the position of the anti-detachment disc 44, preventing the connecting rod 43 from detaching from the corresponding fixed cylinder 41.

[0034] Workflow: When the bottom side of the door frame 1 is impacted, the force from the front of the door frame 1 is quickly applied to the first steel plate 31 and the first support plate 32, and the force from the rear of the door frame 1 is quickly applied to the second steel plate 33 and the second support plate 34. If the first support plate 32 and the second support plate 34 cannot withstand this impact force, they will bend. Two sets of slots 35 are provided on both sides of the first support plate 32 and the second support plate 34. The slots 35 reserve space for the deformation of the first support plate 32 and the second support plate 34, and the deformation of the first support plate 32 and the second support plate 34 absorbs the energy generated by the impact.

[0035] To further enhance the structural strength between the first support plate 32 and the second support plate 34, a reinforcement mechanism 36 is provided. The first support plate 32, the fixing rod 363, and the spring telescopic rod 365 together form a stable triangular structure. The triangle, with its excellent stability, can effectively resist the impact force from the middle of the side of the door frame 1, thereby significantly improving the overall safety. When the connection between the reinforcement mechanism 36 and the first support plate 32 and the second support plate 34 is impacted, the connecting rod 43 will squeeze the relative buffer plate 42 inside the fixing cylinder 41, causing it to deform, thereby absorbing or mitigating the impact on the connection and avoiding the problem of connection breakage caused by rigid connection.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel door frame structure for an automobile outer panel, comprising a door frame (1), characterized in that: The back of the door frame (1) is fixedly connected to an outer panel (2), and an impact-resistant component (3) is provided at the bottom of the rear end face of the door frame (1). The impact-resistant component (3) includes a first steel plate (31), which is welded and fixed to one side of the inner wall of the door frame (1). A first support plate (32) is fixedly connected to the surface of the first steel plate (31). A second steel plate (33) is welded and fixed to the other side of the inner wall of the door frame (1). A second support plate (34) is fixedly connected to the surface of the second steel plate (33). Two sets of slots (35) are opened on the surface of the first support plate (32) and the surface of the second steel plate (33). (32) A reinforcing mechanism (36) is installed between the second support plate (34) and the second support plate (34) via a connecting mechanism (4). The reinforcing mechanism (36) includes a fixed sleeve (361), a corrugated plate (362) is fixedly connected to the outer side of the fixed sleeve (361), a fixed rod (363) is fixedly connected to the middle part of the fixed sleeve (361), and a spring telescopic rod (365) is hinged to the top of the fixed sleeve (361) via a first mounting seat (364). The top of the spring telescopic rod (365) is hinged to a second mounting seat (366). The connecting mechanism (4) includes a fixed cylinder (41), a buffer plate (42) is fixedly connected to the inner side of the fixed cylinder (41), a connecting rod (43) is installed on the inner side of the buffer plate (42), and an anti-detachment disc (44) is fixedly connected to the rear end face of the connecting rod (43).

2. The steel door frame structure for an automobile outer panel according to claim 1, characterized in that: The number of slots (35) in each group is set to a certain number, and the slots (35) are arranged at equal intervals. The slots (35) are trapezoidal in shape.

3. The steel door frame structure for an automobile outer panel according to claim 1, characterized in that: The projected shape of the fixing sleeve (361) is rectangular, the length of the fixing sleeve (361) is adapted to the length of the corrugated plate (362), and the vertical cross-sectional shape of the corrugated plate (362) is corrugated.

4. The steel door frame structure for an automobile outer panel according to claim 1, characterized in that: The first mounting base (364) is located at the middle of the top of the fixed sleeve (361), and the bottom end of the first mounting base (364) is fixedly connected to the upper surface of the fixed sleeve (361).

5. The steel door frame structure for an automobile outer panel according to claim 1, characterized in that: There are two connecting mechanisms (4) in the middle of the first support plate (32), and one connecting mechanism (4) in the middle of the first support plate (32). The first support plate (32) is fixedly connected to the corresponding fixed cylinder (41), and the second support plate (34) is fixedly connected to the corresponding fixed cylinder (41).

6. The steel door frame structure for an automobile outer panel according to claim 1, characterized in that: The fixed cylinder (41) is provided with a number of buffer plates (42), which are arranged at equal intervals on the inner side of the fixed cylinder (41) and are located in front of the anti-detachment disc (44).

7. The steel door frame structure for an automobile outer panel according to claim 1, characterized in that: The connecting rod (43) at the bottom is fixedly connected to the fixing rod (363), and the connecting rod (43) at the top is fixedly connected to the second mounting base (366).

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