vehicle subframe and vehicle

Abstract

A subframe for a vehicle includes a frame body (10), a bracket (20), and a connector (30). The bracket (20) includes a first end (21) and a second end (22) opposite to each other. The first end (21) is used to connect to the frame body (10), and the connector (30) is connected to the second end (22). The connector (30) has a connecting hole (31) that extends through the connector (30) along a first direction (X) and extends to the edge (32) of the connector (30) along a second direction (Y) to form an opening (33). The first direction (X) is perpendicular to the second direction (Y). A vehicle incorporating the above-described subframe for a vehicle is also disclosed. By extending the connecting hole (31) to the edge (32) of the connector (30) along the second direction (Y) and forming an opening (33), the connecting hole (31) can have a weak point in load-bearing capacity. When the subframe is subjected to a large external force, the connecting hole (31) can deform, causing the mounting part in the connecting hole (31) to separate from the connector (30), thereby realizing the separation of the subframe from the vehicle body. This allows the subframe to normally provide collision energy absorption space for the vehicle and improves the reliability of the vehicle.

Description

Technical Field

[0001] This application belongs to the field of vehicle technology, and particularly relates to a vehicle subframe and vehicle. Background Technology

[0002] With the advancement of technology and the increasing prevalence of automobiles, ensuring vehicle reliability has become a key research focus in the automotive field. The subframe, as a crucial component of the vehicle's suspension system, provides the primary support structure for components such as control arms, stabilizer bars, and steering gears. Improving the subframe structure and enhancing vehicle reliability is a significant research direction in vehicle technology. Utility Model Content

[0003] This application provides a vehicle subframe and vehicle, which facilitates the release of collision energy absorption space at the subframe.

[0004] A first aspect of this application provides a vehicle subframe, including a frame body, a bracket, and a connector. The bracket includes a first end and a second end opposite to each other, the first end being used to connect to the frame body. The connector is connected to the second end, and the connector has a connecting hole that extends through the connector along a first direction and extends to the edge of the connector along a second direction to form an opening. The first direction is parallel to the height direction of the bracket and perpendicular to the second direction.

[0005] By adopting the above structure, by extending the connecting hole to the edge of the connector along the second direction and forming an opening, the connecting hole can have a weak point in terms of load-bearing capacity. When the subframe is subjected to a large external force, the connecting hole is easy to deform, so that the mounting part in the connecting hole is separated from the connector, thereby realizing the separation of the subframe from the vehicle body. This allows the subframe to provide a collision energy absorption space for the vehicle normally, improving the reliability of the vehicle.

[0006] In some optional embodiments of this application, the frame body includes two longitudinal beams and two crossbeams. The two longitudinal beams are spaced apart along a second direction, and the two crossbeams are spaced apart along a third direction. The two crossbeams are located between the two longitudinal beams and are respectively connected to the two longitudinal beams. The third direction is perpendicular to the first direction and the second direction, and the first end is connected to the upper surface of the longitudinal beam along the first direction.

[0007] With the above structure, firstly, by setting two longitudinal beams and two transverse beams, a stable frame structure can be provided for the vehicle frame body, which facilitates the setting of the suspension system mounting points on the vehicle frame body. Secondly, by connecting the first end to the upper surface of the longitudinal beam along the first direction, it is convenient for the vehicle frame body to be connected to the vehicle body longitudinal beam through the bracket.

[0008] In some alternative embodiments of this application, a groove is provided on the upper surface of the longitudinal beam along the first direction, the groove is recessed toward the side away from the support in the first direction, and the groove is provided on one side of the first end in the third direction.

[0009] By adopting the above structure and setting grooves in the longitudinal beams, weak points in the load-bearing structure can be created on the longitudinal beams. When the frame body is subjected to a large external force in the third direction, the longitudinal beams can easily break from the grooves, providing energy absorption space for the vehicle in a collision. At the same time, the bending direction of the longitudinal beams during the breakage is directed away from the connecting parts, reducing the impact of the longitudinal beam breakage on the internal structure of the vehicle body.

[0010] In some alternative embodiments of this application, the connecting hole includes a body portion and a connecting portion, the connecting portion being disposed on one side of the body portion in a second direction, and the connecting portion forming an opening in the second direction connecting the body portion and the outside of the connector.

[0011] By adopting the above structure and setting the body part and the connecting part, the connecting hole can have two relatively independent parts, wherein the body part meets the need for the mounting part to pass through the connecting hole, and the connecting part meets the need for the opening to be formed on the connecting hole.

[0012] In some alternative embodiments of this application, in a plane perpendicular to the first direction, the projection of the connecting portion is tilted toward the side away from the projection of the groove.

[0013] With the above structure, since the groove is located on one side of the support in the third direction, when the longitudinal beam collapses, the external force on the support is the force towards the groove. According to the interaction of forces, when the connecting hole abuts against the mounting piece inserted therein, the external force is the force away from the groove. At this time, tilting the connecting part away from the groove can make the extension direction of the connecting part the same as the force direction when it is actually in action, which makes it easier for the mounting piece in the connecting hole to separate from the connecting piece.

[0014] In some alternative embodiments of this application, the connector includes a first wall and a second wall arranged in parallel, a connecting portion formed between the first wall and the second wall, the first wall being parallel to a first direction, and the first wall intersecting with a second direction.

[0015] By adopting the above structure, by forming the connecting part between the first and second parallel wall surfaces, the connecting part can be made straight, which facilitates the connecting part to open under load and allows the mounting part in the connecting hole to detach from the connecting part.

[0016] In some optional embodiments of this application, the angle between the first wall and the second direction is α, satisfying 0 < α ≤ 45°.

[0017] By adopting the above structure and limiting the range of the angle α between the first wall surface and the second direction, the extension direction of the connecting part can be made to conform to the force direction of the connecting hole during actual operation, thereby reducing the increased load-bearing capacity of the connecting part caused by an excessively large or small angle α, which would increase the difficulty of separating the connecting hole from the mounting part.

[0018] In some alternative embodiments of this application, the connector further includes a third wall surface and a fourth wall surface, at least a portion of the body portion is formed between the third wall surface and the fourth wall surface, the third wall surface is connected to the first wall surface, the second wall surface is connected to the fourth wall surface, and the projections of the third wall surface and the fourth wall surface are straight lines in a plane perpendicular to the first direction.

[0019] By adopting the above structure and setting a third and fourth wall surface, and making the third and fourth wall surfaces planar, the structure formed by the first, second, third, and fourth wall surfaces can be funnel-shaped, which facilitates the installation parts inside the main body to detach from the connecting holes through the connecting parts.

[0020] In some optional embodiments of this application, the angle between the third wall and the fourth wall after their extensions intersect is β, which satisfies 0 < β < 180°.

[0021] By adopting the above structure and limiting the range of the included angle β after the third and fourth wall surfaces intersect, the first, second, third, and fourth wall surfaces can be made to form a funnel-like shape with stable sharp angles. This facilitates the guidance of the mounting parts inside the main body to the connecting part, allowing the mounting parts to abut against the weaker connecting part, and making it easier for the connecting part to open under load.

[0022] In some optional embodiments of this application, the connector further includes rounded corners, and the third wall surface is connected to the first wall surface and the fourth wall surface to the second wall surface respectively through rounded corners.

[0023] By adopting the above structure and setting rounded corners, on the one hand, the transition between the third wall and the first wall, and between the fourth wall and the second wall, can be made smoother, making it easier to insert the mounting parts inside the main body into the connecting part. On the other hand, a flared opening can be formed on the side of the connecting part that connects to the main body, making it easier for the mounting parts inside the main body to abut against the connecting part.

[0024] In some alternative embodiments of this application, the projection of the main body portion is polygonal in a plane perpendicular to the first direction, and the connecting portion is connected to the main body portion at any corner of the main body portion.

[0025] By adopting the above structure, the projection of the main body is polygonal, which makes the shape of the main body more regular, facilitates the forming of the main body, and also makes the main body have more angular structures, which facilitates the setting of the connecting parts.

[0026] In some optional embodiments of this application, the projection of the main body is quadrilateral in a plane perpendicular to the first direction, and the two diagonals of the projection of the main body are parallel to the second direction and the third direction, respectively. The connecting part is connected to the main body at the corner of the main body along the second direction.

[0027] By adopting the above structure, and by making the projection of the main body part into a quadrilateral, and making the two diagonals of the projection of the main body part parallel to the second direction and the third direction respectively, the structure of the main body part can be made more stable and the mechanical strength of the connection hole can be improved.

[0028] In some alternative embodiments of this application, the bracket includes two supports, and the first ends of the two supports are respectively connected to the upper surfaces of the two longitudinal beams along the first direction. The connector includes two connectors, and the two connectors are respectively connected to the second ends of the two supports.

[0029] With the above structure, brackets and connectors are provided on both longitudinal beams, which facilitates the connection between the frame body and the vehicle body on both sides.

[0030] A second aspect of the embodiments of this application provides a vehicle, the vehicle including a body, a mounting member and a subframe of the vehicle, the mounting member passing through a connecting hole and connecting the body and the mounting member.

[0031] Compared with related technologies, in the vehicle subframe and vehicle of the present application embodiment, by extending the connecting hole to the edge of the connector along the second direction and forming an opening, the connecting hole can have a load-bearing weak point. When the subframe is subjected to a large external force, the connecting hole is easy to deform, so that the mounting part in the connecting hole is separated from the connector, thereby realizing the separation of the subframe from the vehicle body. This allows the subframe to normally provide collision energy absorption space for the vehicle and improves the reliability of the vehicle. Attached Figure Description

[0032] The features, advantages, and technical effects of exemplary embodiments of this application will now be described with reference to the accompanying drawings.

[0033] Figure 1 The diagram shows the structural features of a vehicle provided in some embodiments of this application.

[0034] Figure 2 This is a schematic diagram of the subframe structure of a vehicle provided in some embodiments of this application.

[0035] Figure 3 The diagram shows the structure of the support provided in some embodiments of this application.

[0036] Figure 4 This is a top view of the connector provided in some embodiments of this application.

[0037] Figure 5This is a top view of the connector provided in some other embodiments of this application.

[0038] The accompanying drawings are not necessarily drawn to scale.

[0039] Marker explanation:

[0040] 1000, vehicle; 100, battery; 200, controller; 300, motor;

[0041] 10. Frame body; 11. Longitudinal beam; 111. Groove; 112. Upper surface; 12. Crossbeam; 20. Bracket; 21. First end; 22. Second end; 221. Mounting slot; 30. Connector; 31. Connecting hole; 311. Body part; 312. Connecting part; 313. First wall surface; 314. Second wall surface; 315. Rounded corner surface; 316. Third wall surface; 317. Fourth wall surface; 32. Edge in the second direction; 33. Opening. Detailed Implementation

[0042] The embodiments of this application will be described in further detail below with reference to the accompanying drawings and examples. The detailed description of the following embodiments and the accompanying drawings are used to illustrate the principles of this application by way of example, but should not be used to limit the scope of this application, that is, this application is not limited to the described embodiments.

[0043] In the description of this application, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicating orientation or positional relationships, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. "Vertical" is not vertical in the strict sense, but within the allowable tolerance range. "Parallel" is not parallel in the strict sense, but within the allowable tolerance range.

[0044] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments.

[0045] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application depending on the specific circumstances.

[0046] Currently, from the perspective of market development, the use of automobiles is becoming increasingly widespread. With the development of automotive technology, the market has also placed higher demands on the reliability of automobiles. Therefore, the reliability of automobiles is one of the key research areas at present.

[0047] In related technologies, automotive suspension systems typically include a subframe, such as the front subframe for the front suspension system. The front subframe supports the front suspension system, providing mounting points for components like control arms, stabilizer bars, steering gears, and rear powertrain mounts. To reinforce the connection between the front subframe and the vehicle body, a support structure is also installed on the front subframe for connecting to the body, such as the center tower of the body's longitudinal beams. After the front subframe is connected to the body via the support structure, the support provides stable tension to the front subframe. However, in the event of a collision, the front subframe cannot bend away from the body, resulting in insufficient release of the collision space. This makes it easier for the impact to penetrate into the body structure (such as the passenger compartment), affecting the vehicle's reliability.

[0048] To reduce the impact of brackets on vehicle reliability, the bracket structure can be adjusted to make the side of the bracket connected to the vehicle body more susceptible to deformation under stress, thus enabling the bracket to separate from the vehicle body. For example, the vehicle body and bracket are often connected by fasteners, and the bracket usually provides through holes for fastener connection. Weak areas can be formed in these through holes. When the bracket bears stress, the weak areas of the through holes deform, making it impossible for the fasteners to be fixed. This facilitates the separation of the bracket from the vehicle body, fully releasing the collision space on the subframe and improving the vehicle's reliability.

[0049] Based on the above considerations, a vehicle subframe and a vehicle were designed.

[0050] This application provides a vehicle, which can be a gasoline vehicle, a natural gas vehicle, or a new energy vehicle, etc. The new energy vehicle can be a pure electric vehicle, a hybrid vehicle, or a range-extended vehicle, etc.

[0051] For ease of explanation, the following embodiments will be described using an electric vehicle 1000 as an example from one embodiment of this application.

[0052] Figure 1 This is a structural schematic diagram of a vehicle 1000 provided in some embodiments of this application.

[0053] like Figure 1 As shown, a battery 100 is installed inside the vehicle 1000. The battery 100 can be located at the bottom, front, or rear of the vehicle 1000. The battery 100 can be used to power the vehicle 1000; for example, the battery 100 can serve as the operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300. The controller 200 controls the battery 100 to supply power to the motor 300. The motor 300 provides driving force for the movement of the vehicle 1000, for example, to meet the power requirements of the vehicle 1000 during starting, navigation, and driving.

[0054] In some embodiments of this application, the battery 100 can not only serve as the operating power source for the vehicle 1000, but also as the driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0055] In the embodiments of this application, the battery 100 mentioned refers to a single physical module comprising one or more battery cells to provide higher voltage and capacity. For example, the battery 100 mentioned in this application may include a battery module or a battery pack, etc.

[0056] Figure 2 This is a schematic diagram of the subframe structure of a vehicle provided in some embodiments of this application. Figure 3 This is a schematic diagram of the structure of the bracket 20 provided in some embodiments of this application. Figure 4 This is a top view of the connector 30 provided in some embodiments of this application.

[0057] like Figures 2-4 As shown, in some optional embodiments of this application, a vehicle subframe is provided, including a frame body 10, a bracket 20, and a connector 30. The bracket 20 includes a first end 21 and a second end 22 opposite to each other. The first end 21 is used to connect to the frame body 10. The connector 30 is connected to the second end 22. The connector 30 is provided with a connecting hole 31, which penetrates the connector 30 along a first direction x and extends to the edge 32 of the connector 30 along a second direction y, forming an opening 33. The first direction x is parallel to the height direction of the bracket 20 and perpendicular to the second direction y.

[0058] The subframe of a vehicle can be a frame structure used to support the suspension system. In this application embodiment, the subframe can be a front subframe or a rear subframe. For example, in this application embodiment, the subframe can be a front subframe used to support the front suspension system.

[0059] The frame body 10 can be the most important load-bearing structure in the subframe, such as the frame body 10 can be plate-shaped, frame-shaped or other shapes.

[0060] The bracket 20 can be a structure that connects the subframe to the vehicle body. For example, the bracket 20 can be a columnar structure, a platform-like structure, or a rod-like structure that protrudes from the frame body 10 in the first direction.

[0061] The connector 30 can be a port structure located on the bracket 20 and used to fix the bracket 20 to the vehicle body. For example, when the bracket 20 is connected to the vehicle body by bolts, the connector 30 can be a sheet-like structure, a platform-like structure, or a block-like structure with a connection hole 31. For example, in order to reduce the volume occupied by the connector 30 and facilitate the connection between the connector 30 and the bracket 20, the connector 30 can be a sheet-like structure with a connection hole 31.

[0062] By extending the connecting hole 31 to the edge 32 of the connector 30 along the second direction y and forming an opening 33, the connecting hole 31 can have a weak point in load-bearing capacity. When the subframe is subjected to a large external force, the connecting hole 31 is easy to deform, so that the mounting part in the connecting hole 31 is separated from the connector 30, thereby realizing the separation of the subframe from the vehicle body. This allows the subframe to normally provide collision energy absorption space for the vehicle and improves the reliability of the vehicle.

[0063] In some embodiments, the support 20 may be a columnar structure with a height extending along a first direction x, and the first end 21 and the second end 22 are the two ends of the support 20 in the first direction x.

[0064] In some embodiments, the connector 30 and the bracket 20 can be integrally formed or separately fixedly connected, such as by welding, gluing, fastener connection, etc.

[0065] In some embodiments, the bracket 20 and the frame body 10 can be integrally formed or separately fixedly connected, such as by welding or gluing.

[0066] Reference Figure 4 In some embodiments, the second end 22 may be provided with a mounting groove 221, and the connector 30 is connected to the second end 22 through the mounting groove 221.

[0067] It is understandable that the connecting hole 31 can be a normal hole structure, while other weak structures are set on the connector 30 to facilitate the destruction of the connecting hole 31. For example, a weak area can also be set on the connector 30, in which the thickness of the connector 30 is thinned, and one end of the weak area contacts the connecting hole 31, while the other end extends to the end of the connector 30 along the second direction y.

[0068] In actual use, when the frame body 10 is subjected to external force and bends, the bracket 20 moves with the frame body 10. At this time, the mounting part inserted in the connecting hole 31 abuts against the inner wall of the connecting hole 31. When the abutting force exceeds the bearing threshold of the opening side of the connecting hole 31, the connecting hole 31 is pushed open along the opening 33, causing the hole structure to be destroyed, and thus the bracket 20 is separated from the vehicle body.

[0069] like Figures 2-4 As shown, in some optional embodiments of this application, the frame body 10 includes two longitudinal beams 11 and two crossbeams 12. The two longitudinal beams 11 are spaced apart along the second direction y, and the two crossbeams 12 are spaced apart along the third direction z. The two crossbeams 12 are located between the two longitudinal beams 11 and are respectively connected to the two longitudinal beams 11. The third direction z is perpendicular to the first direction and the second direction. The first end 21 is connected to the upper surface 112 of the longitudinal beam 11 along the first direction x.

[0070] For example, longitudinal beam 11 refers to two support beams arranged along the width direction of the vehicle.

[0071] For example, the crossbeam 12 refers to two support beams arranged along the width direction of the vehicle.

[0072] First, by setting two longitudinal beams 11 and two transverse beams 12, a stable frame structure can be provided for the frame body 10, which facilitates the setting of the mounting points of the suspension system on the frame body 10. Second, by connecting the first end 21 to the upper surface 112 of the longitudinal beam 11 along the first direction x, the frame body 10 can be easily connected to the vehicle body longitudinal beam 11 through the bracket 20.

[0073] In some embodiments, the two longitudinal beams 11 and the two transverse beams 12 may be arranged in a grid pattern to enclose a square area.

[0074] In some embodiments, a support plate may be provided within the square area to form a component that provides a support base on the frame body 10. For example, the support plate may be laid on two longitudinal beams 11 and two transverse beams 12.

[0075] like Figures 2-4 As shown, in some optional embodiments of this application, a groove 111 is provided on the upper surface of the longitudinal beam 11 along the first direction x. The groove 111 is recessed in the first direction x toward the side away from the bracket 20, and the groove 111 is provided on one side of the first end 21 in the third direction z.

[0076] By setting a groove 111 on the longitudinal beam 11, the longitudinal beam 11 can have a weak point in load-bearing capacity. When the frame body 10 is subjected to a large external force along the third direction z, the longitudinal beam 11 can easily break from the groove 111, providing a collision energy absorption space for the vehicle. At the same time, when it breaks, the bending direction of the longitudinal beam 11 is directed away from the connecting member 30, reducing the impact of the longitudinal beam 11 breaking on the internal structure of the vehicle body.

[0077] In some embodiments, one end of the longitudinal beam 11 along the third direction z faces the front of the vehicle, and the other end along the third direction z faces the rear of the vehicle. The groove 111 is provided on the side of the first end 21 near the front of the vehicle.

[0078] In some embodiments, in the second direction y, a portion of the connecting hole 31 extends to the edge of the connector 30 on the side of the connector 30 away from the other longitudinal beam 11 and forms an opening 33.

[0079] like Figures 2-4 As shown, in some optional embodiments of this application, the connecting hole 31 includes a body portion 311 and a connecting portion 312. The connecting portion 312 is disposed on one side of the body portion 311 in the second direction y, and the connecting portion 312 forms an opening 33 in the second direction, connecting the body portion 311 and the outside of the connector 30.

[0080] The main body 311 can be the main body of the hole-shaped structure on the connecting hole 31, and is used to perform the function of allowing an object to pass through the connecting hole 31. For example, when the bracket 20 is connected to the vehicle body by bolts, the bolts pass through the main body 311.

[0081] The connecting portion 312 may be a portion of the connecting hole 31 used to connect the body portion 311 and the outside of the connector 30 in the second direction y.

[0082] By providing a body portion 311 and a connecting portion 312, the connecting hole 31 can have two relatively independent parts, wherein the body portion 311 meets the need for the mounting component to pass through the connecting hole 31, and the connecting portion 312 meets the need for forming an opening on the connecting hole 31.

[0083] like Figures 2-4 As shown, in some alternative embodiments of this application, in a plane perpendicular to the first direction x, the projection of the connecting portion 312 is tilted toward the side away from the projection of the groove 111.

[0084] Since the groove 111 is provided on one side of the bracket 20 in the third direction z, when the longitudinal beam 11 collapses, the external force on the bracket 20 is the force towards the groove 111. According to the interaction of forces, when the connecting hole 31 abuts against the mounting piece inserted therein, the external force is the force away from the groove 111. At this time, tilting the connecting part 312 away from the groove 111 can make the extension direction of the connecting part 312 the same as the force direction when it is actually in action, which makes it easier for the mounting piece in the connecting hole 31 to separate from the connecting piece 30.

[0085] In some embodiments, in a plane perpendicular to the first direction x, the projection of the connecting portion 312 may be a straight line or a curve inclined toward the side projected away from the groove 111.

[0086] like Figures 2-4 As shown, in some optional embodiments of this application, the connector 30 includes a first wall surface 313 and a second wall surface 314 arranged in parallel, and a connecting portion 312 is formed between the first wall surface 313 and the second wall surface 314. The first wall surface 313 is parallel to the first direction x, and the first wall surface 313 intersects with the second direction y.

[0087] By forming the connecting portion 312 between the parallel first wall surface 313 and the second wall surface 314, the connecting portion can be made straight, which facilitates the connecting portion 312 to open under force, so that the mounting member in the connecting hole 31 can be separated from the connecting member 30.

[0088] It is understandable that the first wall surface 313 is the side wall on one side of the connecting part 312, and the second wall surface 314 is the side wall on the other side of the connecting part 312.

[0089] like Figures 2-4 As shown, in some optional embodiments of this application, the angle between the first wall surface 313 and the second direction y is α, which satisfies 0 < α ≤ 45°.

[0090] By limiting the range of the angle α between the first wall surface 313 and the second direction y, the extension direction of the connecting part 312 can be made to conform to the force direction of the connecting hole 31 when it is actually in use. This reduces the difficulty of separating the connecting hole 31 from the mounting part caused by the increased load-bearing capacity of the connecting part 312 due to the angle α being too large or too small.

[0091] In some embodiments, the angle between the first wall surface 313 and the second direction y is α, satisfying 5°≤α≤45°, 10°≤α≤40°, 15°≤α≤35°, 20°≤α≤30° or 25°≤α≤30°.

[0092] like Figures 2-4As shown, in some optional embodiments of this application, the connector 30 further includes a third wall surface 316 and a fourth wall surface 317. At least a portion of the body portion 311 is formed between the third wall surface 316 and the fourth wall surface 317. The third wall surface 316 is connected to the first wall surface 313, and the second wall surface 314 is connected to the fourth wall surface 317. In a plane perpendicular to the first direction x, the projections of the third wall surface 316 and the fourth wall surface 317 are straight lines.

[0093] By providing a third wall surface 316 and a fourth wall surface 317, and making the third wall surface 316 and the fourth wall surface 317 planar, the structure formed by the first wall surface 313, the second wall surface 314, the third wall surface 316 and the fourth wall surface 317 can be funnel-shaped, which facilitates the installation component in the main body 311 to detach from the connecting hole 31 through the connecting part 312.

[0094] like Figures 2-4 As shown, in some optional embodiments of this application, the angle between the third wall surface 316 and the fourth wall surface 317 after they extend and intersect is β, which satisfies 0 < β < 180°.

[0095] By limiting the range of the included angle β after the third wall surface 316 and the fourth wall surface 317 intersect, the first wall surface 313, the second wall surface 314, the third wall surface 316 and the fourth wall surface 317 can be made to form a funnel-like shape with a stable sharp angle, which makes it easier to guide the mounting part in the main body 311 to the connecting part 312, so that the mounting part abuts against the weaker connecting part 312, and the connecting part 312 can be opened under force.

[0096] In some embodiments, the angle between the third wall surface 316 and the fourth wall surface 317 after they extend and intersect is β, which satisfies the following conditions: 10°≤β≤170°, 20°≤β≤160°, 30°≤β≤150°, 40°≤β≤140°, 50°≤β≤130°, 60°≤β≤120°, 70°≤β≤110°, 80°≤β≤100°, or 90°≤β≤100°.

[0097] like Figures 2-4 As shown, in some optional embodiments of this application, the connector 30 further includes a rounded corner surface 315, and the third wall surface 316 and the first wall surface 313, as well as the fourth wall surface 317 and the second wall surface 314 are respectively connected by the rounded corner surface 315.

[0098] By providing rounded corner surfaces 315, on the one hand, the transition between the third wall surface 316 and the first wall surface 313, and between the fourth wall surface 317 and the second wall surface 314, becomes smoother, making it easier to insert the mounting parts inside the main body 311 into the connecting part 312. On the other hand, a flared opening can be formed on the side of the connecting part 312 that connects to the main body 311, making it easier for the mounting parts inside the main body 311 to abut against the connecting part 312.

[0099] In some embodiments, two rounded corner surfaces 315 may be provided, respectively between the third wall surface 316 and the first wall surface 313, and between the fourth wall surface 317 and the second wall surface 314.

[0100] In some embodiments, the rounded corner surface 315 is a convex rounded corner surface.

[0101] like Figures 2-4 As shown, in some optional embodiments of this application, the projection of the body portion 311 is polygonal in a plane perpendicular to the first direction x, and the connecting portion 312 is connected to the body portion 311 at any corner of the body portion 311.

[0102] By making the projection of the main body 311 polygonal, the shape of the main body 311 is more regular, which facilitates the molding of the main body 311 and also makes the main body 311 have more angular structures, which facilitates the setting of the connecting part 312.

[0103] In some embodiments, the projection of the body portion 311 in a plane perpendicular to the first direction x can be a triangle, rectangle, pentagon, hexagon, etc.

[0104] like Figures 2-4 As shown, in some optional embodiments of this application, the projection of the body portion 311 in a plane perpendicular to the first direction x is quadrilateral, and the two diagonals of the projection of the body portion 311 are parallel to the second direction y and the third direction z, respectively. The connecting portion 312 is connected to the body portion 311 at the corner of the body portion 311 along the second direction y.

[0105] By making the projection of the body part 311 into a quadrilateral and making the two diagonals of the projection of the body part 311 parallel to the second direction y and the third direction z, respectively, the structure of the body part 311 can be made more stable and the mechanical strength at the connecting hole 31 can be improved.

[0106] In some embodiments, the projection of the body portion 311 is rhomboid.

[0107] Figure 5 This is a top view of the connector 30 provided in some other embodiments of this application.

[0108] like Figure 5As shown, in some optional embodiments of this application, the projection of the body portion 311 in a plane perpendicular to the first direction x is quadrilateral, one of the two diagonals of the projection of the body portion 311 is parallel to the first wall surface 313, and the connecting portion 312 is connected to the body portion 311 at the end of the diagonal parallel to the first wall surface 313.

[0109] By connecting the connecting portion 312 to the main body portion 311 at the end of the diagonal line parallel to the first wall surface 313, it is easy for the mounting component to enter the connecting portion 312.

[0110] Reference Figure 5 In some embodiments, the corners of the body portion 311 may be rounded.

[0111] like Figure 1 As shown, in some optional embodiments of this application, the bracket 20 includes two brackets, and the first ends 21 of the two brackets 20 are respectively connected to the upper surfaces 112 of the two longitudinal beams 11 along the first direction x. The connector 30 includes two connectors, and the two connectors 30 are respectively connected to the second ends 22 of the two brackets 20. The brackets 20 and connectors 30 are provided on both longitudinal beams 11, which facilitates the connection between the frame body 10 and the vehicle body on both sides.

[0112] In some alternative embodiments of this application, a vehicle is provided, the vehicle including a body, a mounting member and a subframe of the vehicle, the mounting member passing through a connection hole 31 and connecting the body and the connecting member 30.

[0113] In some embodiments, the mounting element may be a bolt.

[0114] In some optional embodiments of this application, a vehicle subframe is provided, including a frame body 10, a bracket 20, and a connector 30. The bracket 20 includes a first end 21 and a second end 22 opposite to each other. The first end 21 is used to connect to the frame body 10. The connector 30 is connected to the second end 22 and has a connecting hole 31. The connecting hole 31 penetrates the connector 30 along a first direction x and extends to the edge of the connector 30 along a second direction y, forming an opening. The first direction x is perpendicular to the second direction y. The frame body 10 includes two longitudinal beams 11 and two crossbeams 12. The two longitudinal beams 11 are spaced apart along the second direction y, and the two crossbeams 12 are spaced apart along a third direction z. The two crossbeams 12 are located between the two longitudinal beams 11 and are respectively connected to the two longitudinal beams 11. The third direction z is perpendicular to the first direction x and the second direction y. The first end 21 is connected to the upper surface of the longitudinal beam 11 along the first direction x. A groove 111 is provided on the upper surface of the longitudinal beam 11 along the first direction x. The groove 111 is recessed towards the side away from the support 20 in the first direction x, and the groove 111 is provided on one side of the first end 21 in the third direction z. The connecting hole 31 includes a body part 311 and a connecting part 312. The connecting part 312 is provided on one side of the body part 311 in the second direction y, and the connecting part 312 connects the body part 311 and the outside of the connector 30 in the second direction y to form an opening. The connector 30 includes a first wall surface 313 and a second wall surface 314 arranged in parallel. The connecting part 312 is formed between the first wall surface 313 and the second wall surface 314. The first wall surface 313 is parallel to the first direction x, and the first wall surface 313 intersects the second direction y. The angle between the first wall surface 313 and the second direction y is α, which satisfies 25°≤α≤30°. In a plane perpendicular to the first direction x, the projection of the main body 311 is a quadrilateral. The two diagonals of the projection of the main body 311 are parallel to the second direction y and the third direction z, respectively. The connecting part 312 is connected to the main body 311 at the corner of the main body 311 along the second direction y.

[0115] Although this application has been described with reference to preferred embodiments, various modifications can be made thereto and components can be replaced with equivalents without departing from the scope of this application. In particular, the technical features mentioned in the various embodiments can be combined in any manner, provided there is no structural conflict. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A subframe of a vehicle, characterized by comprising: include: The frame itself; The bracket includes a first end and a second end opposite to each other, the first end being used to connect to the vehicle frame body; A connector is attached to the second end. The connector has a connecting hole that penetrates the connector along a first direction and extends to the edge of the connector along a second direction to form an opening. The first direction is perpendicular to the second direction. The frame body includes two longitudinal beams and two transverse beams. The two longitudinal beams are spaced apart along the second direction, and the two transverse beams are spaced apart along the third direction. The two transverse beams are located between the two longitudinal beams and are respectively connected to the two longitudinal beams. The third direction is perpendicular to the first direction and the second direction. The first end is connected to the upper surface of the longitudinal beam along the first direction.

2. The subframe of a vehicle according to claim 1, characterized by A groove is provided on the upper surface of the longitudinal beam along the first direction. In the first direction, the groove is recessed towards the side away from the support, and in the third direction, the groove is located on one side of the first end.

3. The subframe of a vehicle according to claim 2, characterized in that The connecting hole includes a body portion and a connecting portion. The connecting portion is disposed on one side of the body portion in the second direction, and the connecting portion forms an opening in the second direction connecting the body portion and the outside of the connector.

4. The subframe of a vehicle according to claim 3, characterized by In a plane perpendicular to the first direction, the projection of the connecting portion is tilted toward the side away from the projection of the groove.

5. The subframe of the vehicle according to claim 3, characterized in that, The connector includes a first wall surface and a second wall surface arranged in parallel, and the connecting portion is formed between the first wall surface and the second wall surface; The first wall is parallel to the first direction, and the first wall intersects with the second direction.

6. The subframe of the vehicle according to claim 5, characterized in that, The angle between the first wall and the second direction is α, which satisfies 0 < α ≤ 45°.

7. The subframe of the vehicle according to claim 5, characterized in that, The connector further includes a third wall surface and a fourth wall surface, at least a portion of the body portion is formed between the third wall surface and the fourth wall surface, the third wall surface is connected to the first wall surface, and the second wall surface is connected to the fourth wall surface; In a plane perpendicular to the first direction, the projections of the third wall and the fourth wall form a straight line.

8. The subframe of the vehicle according to claim 7, characterized in that, The angle between the third wall and the fourth wall after their extensions intersect is β, which satisfies 0 < β < 180°.

9. The subframe of the vehicle according to claim 7, characterized in that, The connector also includes rounded corners, and the third wall surface is connected to the first wall surface, and the fourth wall surface is connected to the second wall surface, respectively, through the rounded corners.

10. The subframe of the vehicle according to claim 3, characterized in that, In a plane perpendicular to the first direction, the projection of the body portion is polygonal, and the connecting portion is connected to the body portion at any corner of the body portion.

11. The subframe of the vehicle according to claim 3, characterized in that, In a plane perpendicular to the first direction, the projection of the main body is a quadrilateral, and the two diagonals of the projection of the main body are parallel to the second direction and the third direction, respectively. The connecting part is connected to the main body at the corner of the main body along the second direction.

12. The subframe of the vehicle according to any one of claims 1-11, characterized in that, The bracket includes two supports, and the first ends of the two supports are respectively connected to the upper surfaces of the two longitudinal beams along the first direction. The connector includes two connectors, and the two connectors are respectively connected to the second ends of the two supports.

13. A vehicle, characterized in that, include: Body; The subframe of the vehicle as described in any one of claims 1-12; as well as The mounting piece passes through the connection hole and connects the vehicle body and the mounting piece.

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