A vehicle door anti-collision structure and vehicle
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-18
- Publication Date
- 2026-08-11
AI Technical Summary
例如,当汽车遭受侧面碰撞时,传统的防撞梁容易发生翻折变形,无法有效地阻止车门向车内滑移,从而导致乘员舱空间被侵占,增加了乘员受伤的风险
[0020] One of the above technical solutions has at least one of the following advantages or beneficial effects:
Smart Images

Figure CN224617402U_ABST
Abstract
Description
Technical Field
[0001] This utility model is applicable to the automotive field, and in particular relates to a door anti-collision structure and a vehicle. Background Technology
[0002] With the rapid development of the automotive industry and the continuous increase in car ownership, road traffic accidents are frequent. Side impacts are a common type of traffic accident. When a car suffers a side impact, the doors, especially the rear doors, are subjected to tremendous impact force, causing the crash beams to deform and affecting the door's support function. Once the crash beams fail, the door may slide inwards and intrude into the passenger compartment, posing a serious safety hazard to the occupants. Therefore, improving the impact resistance of car doors in side impacts has become one of the most important issues that the automotive industry urgently needs to address.
[0003] Currently, to enhance the side-impact performance of car doors, automakers typically install anti-collision beams in the door structure. These beams generally employ a flat or channel-shaped design, intended to resist collision impacts by increasing structural rigidity. However, this traditional anti-collision beam design still has several shortcomings in practical applications. For example, when a car suffers a side impact, traditional anti-collision beams are prone to buckling and deformation, failing to effectively prevent the door from sliding inwards, thus encroaching on the passenger compartment and increasing the risk of occupant injury.
[0004] In summary, the problems existing in the relevant technologies urgently need to be solved. Utility Model Content
[0005] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a door anti-collision structure and a vehicle.
[0006] The technical solution adopted by this utility model to solve its technical problem is:
[0007] Firstly, a door anti-collision structure includes:
[0008] The vehicle body includes a body frame, the body frame having door pillars for mounting doors;
[0009] A car door, including a hinge side and a door lock side, wherein the hinge side of the car door is mounted to the door pillar by a hinge, and an anti-collision beam is provided inside the car door, the anti-collision beam extending from the hinge side to the door lock side, and the anti-collision beam having a snap-fit connector extending into the interior of the vehicle body on the door lock side;
[0010] The vehicle body has a snap-fit notch on the body frame that mates with the door lock side of the door. The snap-fit notch corresponds to the snap-fit connector and is located inside the snap-fit connector.
[0011] In conjunction with the first aspect, in some implementations of the first aspect, the vehicle frame is provided with a reinforcing plate at the position of the snap-fit connector, the reinforcing plate is fixedly connected to the vehicle frame, and the snap-fit notch is provided in the reinforcing plate.
[0012] In combination with the first aspect and the above-described implementations, in some implementations of the first aspect, the snap-fit notch is a through hole provided in the reinforcing plate, and the reinforcing plate is an integral component that extends continuously along the outer periphery of the through hole.
[0013] In combination with the first aspect and the above-mentioned implementation methods, in some implementation methods of the first aspect, the door includes an inner door panel and an outer door panel, and the anti-collision beam is installed on the inner door panel through mounting brackets at both ends.
[0014] In combination with the first aspect and the above-mentioned implementation methods, in some implementation methods of the first aspect, the anti-collision beam is made of metal tubing, and the anti-collision beam is bent towards the interior of the vehicle body at one end near the door lock to form the snap joint, and the anti-collision beam is L-shaped.
[0015] In combination with the first aspect and the above-described implementation methods, in some implementation methods of the first aspect, the diameter of the snap-fit notch is larger than the diameter of the metal pipe.
[0016] In combination with the first aspect and the above-described implementations, in some implementations of the first aspect, the inner door panel has a recessed cavity that is recessed towards the interior of the vehicle body, and the inner door panel forms a frame around the cavity. The mounting bracket includes a first bracket mounted on the hinge side of the inner door panel. The first bracket includes a frame connecting portion and a crash beam connecting portion. The frame connecting portion and the crash beam connecting portion are integrally formed from sheet metal. The frame connecting portion is attached to and installed on the inner surface of the frame. The crash beam connecting portion is bent to one side from the frame connecting portion, and one end of the crash beam overlaps the crash beam connecting portion on the side of the crash beam connecting portion facing the outer door panel.
[0017] In combination with the first aspect and the above-described implementations, in some implementations of the first aspect, the connecting portion of the first anti-collision beam is provided with a groove that mates with the anti-collision beam.
[0018] In combination with the first aspect and the above-described implementations, in some implementations of the first aspect, the mounting bracket includes a second bracket mounted on the door lock side of the inner panel of the vehicle door, and the other end of the anti-collision beam is mounted on the second bracket.
[0019] Second, a vehicle including the door anti-collision structure described in any implementation of the first aspect.
[0020] One of the above technical solutions has at least one of the following advantages or beneficial effects:
[0021] In this invention, a snap-fit notch is provided on the body frame that mates with the door lock side of the vehicle door. Correspondingly, a snap-fit joint is provided on the door's anti-collision beam. When the vehicle is involved in a side collision, the snap-fit joint of the anti-collision beam will be squeezed into the vehicle body and pierce the door under the impact force, and then precisely snap-fit into the snap-fit notch of the body frame, forming a stable and effective snap-fit structure. The anti-collision beam is stably connected to the body frame on the door lock side. At the same time, in conjunction with the hinge on the door hinge side, the anti-collision beam forms a stable structure with both ends tightened, which can effectively resist impact force and maintain a stable state. This effectively prevents the door from sliding and intruding into the vehicle, significantly improves the support and anti-collision performance of the door anti-collision beam, reduces the amount of door intrusion, and ensures that the passenger compartment space is not harmed. Compared with the simple reinforcing plate or reinforcing component design in the prior art, the snap-fit structure design of this solution is more innovative and practical.
[0022] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0023] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0024] Figure 1 This is an exploded view of one embodiment of the anti-collision structure for vehicle doors of this utility model;
[0025] Figure 2 This is a schematic diagram of the connection structure between the anti-collision beam and the inner panel of the door, representing one embodiment of the present invention.
[0026] Figure 3 This is a schematic diagram of one embodiment of the vehicle body frame of this utility model;
[0027] Figure 4 This is a side view of the corresponding position of the snap-fit notch between the anti-collision beam and the reinforcing plate in one embodiment of the anti-collision structure of the car door of this utility model;
[0028] Figure 5 This is a top-down view of the corresponding position of the snap-fit notch between the anti-collision beam and the reinforcing plate in one embodiment of the anti-collision structure of the vehicle door of this utility model. Detailed Implementation
[0029] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0030] In this utility model, when directions (up, down, left, right, front, and back) are described, it is only for the convenience of describing the technical solution of this utility model, and does not indicate or imply that the technical features referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.
[0031] In this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," "exceeding," etc. are understood to exclude the stated number; "above," "below," "within," etc. are understood to include the stated number. In the description of this utility model, if "first" or "second" is used, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features.
[0032] In this utility model, unless otherwise explicitly defined, terms such as "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; a fixed connection, a detachable connection, or an integrally formed connection; a mechanical connection, an electrical connection, or a connection capable of mutual communication; or the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model based on the specific content of the technical solution.
[0033] See Figures 1-5 This utility model provides a vehicle door anti-collision structure, including a vehicle body 100 and a vehicle door 200. The vehicle body 100 includes a vehicle frame 101, and the vehicle frame 101 is provided with a door pillar 102 for mounting the vehicle door 200. The vehicle door 200 includes a hinge side 201 and a door lock side 202, so as to... Figure 1 Taking the illustrated embodiment as an example, the hinge side 201 of the door 200 is located at the front edge of the door 200, and the door lock side 202 of the door 200 is located at the rear edge of the door 200. The hinge side 201 of the door 200 is mounted to the door pillar 102 via a hinge. An anti-collision beam 203 is provided inside the door 200, extending in the front-rear direction from the hinge side 201 to the door lock side 202. The anti-collision beam 203 has a snap-fit connector 204 extending inwards towards the interior of the vehicle body 100 on the door lock side 202. The vehicle body 100 has a snap-fit notch 103 on its frame 101 that mates with the door lock side 202 of the door 200. The snap-fit notch 103 corresponds to the snap-fit connector 204 and is located inside the snap-fit connector 204.
[0034] See Figure 1 , Figure 3For ease of understanding, this embodiment takes the door pillar 102 as the B-pillar of the vehicle body and the door 200 as the rear door installed on the B-pillar of the vehicle body as an example. Specifically, the hinge side 201 of the door 200 is installed on the B-pillar of the vehicle body, and the snap-fit notch 103 is set on the C-pillar of the vehicle body.
[0035] Combination Figures 1-5 In the technical solution of this utility model, a snap-fit notch 103 is provided on the body frame 101 that cooperates with the door lock side 202 of the door 200. Correspondingly, a snap-fit joint 204 is provided on the anti-collision beam 203 of the door 200. When the vehicle encounters a side collision, the snap-fit joint 204 of the anti-collision beam 203 will be squeezed into the body 100 and pierce the door 200 under the action of the collision force, and then precisely snap-fit into the snap-fit notch 103 of the body frame 101, forming a stable and effective snap-fit structure. The anti-collision beam 203 is located on the door lock side 202 of the door 200. The anti-collision beam 203 is securely connected to the vehicle body frame 101 and works in conjunction with the hinge of the door hinge side 201. The anti-collision beam 203 forms a stable structure with both ends tightened, which can effectively resist impact force and maintain a stable state. It effectively prevents the door 200 from sliding and intruding into the vehicle, significantly improves the support and anti-collision performance of the door 200 anti-collision beam 203, reduces the amount of door 200 intrusion, and ensures that the passenger compartment space is not harmed. Compared with the simple reinforcement plate or reinforcement design in the existing technology, the snap-fit structure design of this solution is more innovative and practical.
[0036] The snap-fit notch 103 can be directly set on the vehicle body frame 101, or it can be formed by an independent component.
[0037] In some embodiments, see Figure 1 , Figure 3 , Figure 4 , Figure 5 The vehicle frame 101 has a reinforcing plate 104 at the snap-fit connector 204. The reinforcing plate 104 is fixedly connected to the vehicle frame 101, and the snap-fit notch 103 is provided on the reinforcing plate 104. In this embodiment, the snap-fit notch 103 is provided on the reinforcing plate 104, and then the reinforcing plate 104 is installed on the vehicle frame 101. By using a split reinforcing plate 104, a reinforcing plate 104 of a different material than the vehicle frame 101 can be used, thereby ensuring the structural strength at the snap-fit notch 103.
[0038] Further, see Figure 1 The snap-fit notch 103 is a through hole provided in the reinforcing plate 104. The snap-fit notch 103 can be directly formed in the reinforcing plate 104 by punching. The reinforcing plate 104 is an integral component that extends continuously along the outer periphery of the through hole. The reinforcing plate 104 does not have an opening on the outer periphery of the snap-fit notch 103, which fully ensures the structural strength of the reinforcing plate 104 and ensures that it can provide a more stable locking force for the anti-collision beam 203 after a side collision.
[0039] In some embodiments, see Figure 1 , Figure 2 The door 200 includes an inner door panel 205 and an outer door panel 206. The anti-collision beam 203 is installed on the inner door panel 205 through mounting brackets at both ends.
[0040] Further, see Figure 1 , Figure 2 , Figure 4 , Figure 5 The anti-collision beam 203 is made of metal tubing. At one end near the door lock side 202, the anti-collision beam 203 is bent inwards towards the vehicle body 100 to form a snap-fit connector 204, giving the anti-collision beam 203 an L-shape. In this embodiment, the specifications of the door 200 anti-collision beam 203 are optimized to a tubular design, with an L-shaped bend at the end. This design significantly improves the structural rigidity and impact resistance of the anti-collision beam 203, making it less prone to bending and deformation during side impacts, thus maintaining good support function. Simultaneously, the L-shaped anti-collision beam 203 allows it to effectively pierce the side panel and snap into the snap-fit notch 103 of the reinforcing plate 104 during a collision.
[0041] See Figure 4 The diameter of the snap-fit notch 103 is larger than that of the metal pipe, ensuring that in the event of a side collision, the snap-fit connector 204 of the anti-collision beam 203 can be smoothly snapped into the snap-fit notch 103 and successfully achieve snap-fit fixation.
[0042] In some embodiments, see Figure 2 , Figure 4 , Figure 5The inner door panel 205 has a recessed cavity 207 that is recessed inward toward the body 100. The inner door panel 205 forms a frame 208 around the cavity 207. The frame 208 has an inner wall surface that extends along the recessed direction of the cavity 207. The mounting bracket includes a first bracket 209 mounted on the hinge side 201 of the inner door panel 205. The first bracket 209 includes a frame connecting part 210 and a crash beam connecting part 211. The frame connecting part 210 and the crash beam connecting part 211 are integrally formed from sheet metal. The frame connecting part 210 is attached to and installed on the inner surface of the frame 208. The crash beam connecting part 211 is bent to one side from the frame connecting part 210. One end of the crash beam 203 overlaps the crash beam connecting part 211 on the side of the crash beam connecting part 211 facing the outer door panel 206. In this embodiment, by setting an L-shaped integrally formed first bracket 209 and attaching the side of the anti-collision beam 203 facing the outer door panel 206 to the anti-collision beam connecting part 211, the connection strength between the first bracket 209 and the door 200 is ensured, as well as the connection strength between the first bracket 209 and the anti-collision beam 203. This improves the connection strength between the anti-collision beam 203 and the hinge side 201 of the door 200, preventing the anti-collision beam 203 from separating from the inner door panel 205 after a side collision.
[0043] See Figure 5 The first anti-collision beam connecting part 211 is provided with a groove that cooperates with the anti-collision beam 203. The shape of the groove matches the shape of the anti-collision beam 203. The anti-collision beam 203 is embedded in the first anti-collision beam connecting part 211 and is stably connected to the first bracket 209 by welding or other means, which effectively improves the connection strength between the anti-collision beam 203 and the first bracket 209.
[0044] See Figure 2 , Figure 4 , Figure 5 The mounting bracket includes a second bracket 212 mounted on the door lock side 202 of the inner door panel 205, and the other end of the anti-collision beam 203 is mounted on the second bracket 212. The other end of the anti-collision beam 203 protrudes from the second bracket 212 and is provided with a snap-fit connector 204 extending toward the interior of the vehicle body 100.
[0045] An embodiment of this utility model also provides a vehicle including the door anti-collision structure of any of the above embodiments.
[0046] In the description of this specification, references to terms such as "example," "embodiment," or "some embodiments" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0047] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.
Claims
1. A door anti-collision structure, characterized in that, include: The vehicle body includes a body frame, the body frame having door pillars for mounting doors; A car door, including a hinge side and a door lock side, wherein the hinge side of the car door is mounted to the door pillar by a hinge, and an anti-collision beam is provided inside the car door, the anti-collision beam extending from the hinge side to the door lock side, and the anti-collision beam having a snap-fit connector extending into the interior of the vehicle body on the door lock side; The vehicle body has a snap-fit notch on the body frame that mates with the door lock side of the door. The snap-fit notch corresponds to the snap-fit connector and is located inside the snap-fit connector.
2. The door anti-collision structure according to claim 1, characterized in that, The vehicle frame is provided with a reinforcing plate at the position of the snap-fit connector. The reinforcing plate is fixedly connected to the vehicle frame, and the snap-fit notch is provided in the reinforcing plate.
3. The door anti-collision structure according to claim 2, characterized in that, The snap-fit notch is a through hole provided in the reinforcing plate, and the reinforcing plate is an integral component that extends continuously along the outer periphery of the through hole.
4. The door anti-collision structure according to claim 1, characterized in that, The door includes an inner door panel and an outer door panel, and the anti-collision beam is mounted on the inner door panel via mounting brackets at both ends.
5. The door anti-collision structure according to claim 4, characterized in that, The anti-collision beam is made of metal tubing, and the end of the anti-collision beam near the door lock is bent toward the interior of the vehicle body to form the snap joint. The anti-collision beam is L-shaped.
6. The door anti-collision structure according to claim 5, characterized in that, The diameter of the snap-fit notch is larger than the diameter of the metal pipe.
7. The door anti-collision structure according to claim 4, characterized in that, The inner door panel has a recessed cavity that extends inward toward the interior of the vehicle body. The inner door panel forms a frame around the cavity. The mounting bracket includes a first bracket mounted on the hinge side of the inner door panel. The first bracket includes a frame connecting part and a crash beam connecting part. The frame connecting part and the crash beam connecting part are integrally formed from sheet metal. The frame connecting part is fitted and installed on the inner surface of the frame. The crash beam connecting part is bent to one side from the frame connecting part. One end of the crash beam overlaps the crash beam connecting part on the side of the crash beam connecting part facing the outer door panel.
8. The door anti-collision structure according to claim 7, characterized in that, The first anti-collision beam connection part is provided with a groove that mates with the anti-collision beam.
9. The door anti-collision structure according to claim 7, characterized in that, The mounting bracket includes a second bracket installed on the door lock side of the inner panel of the vehicle door, and the other end of the anti-collision beam is installed on the second bracket.
10. A vehicle, characterized in that, The vehicle door anti-collision structure includes any one of claims 1 to 9.