Front auxiliary frame and vehicle

Abstract

The utility model belongs to the technical field of vehicle manufacturing, and particularly relates to a front auxiliary frame and a vehicle. The front auxiliary frame comprises a front cross beam structure, a rear cross beam structure, a left longitudinal beam structure and a right longitudinal beam structure. The front cross beam structure and the rear cross beam structure are arranged at intervals in the front-back direction, and the left longitudinal beam structure and the right longitudinal beam structure are arranged at intervals in the left-right direction. The front cross beam structure is connected to the same side ends of the left longitudinal beam structure and the right longitudinal beam structure. The two ends of the rear cross beam structure are connected to the left longitudinal beam structure and the right longitudinal beam structure correspondingly. The front cross beam structure, the rear cross beam structure, the left longitudinal beam structure and the right longitudinal beam structure each comprise an integrally-formed tubular beam body. And each beam structure adopts the integrally formed tubular beam main body, so that the assembling and welding procedures are reduced, the manufacturing process is simplified, the production cost is reduced, and the structural strength is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of vehicle manufacturing, and in particular, relates to a front subframe and a vehicle. Background Art

[0002] The front subframe is an important component of the vehicle's front suspension system, and plays the role of supporting other related components in the front suspension system. The front subframe is generally a frame structure assembled from multiple beam structures.

[0003] At present, each beam structure is formed by assembling and welding a plurality of stamped sheet metal parts, and then the beam structures assembled by the plurality of stamped sheet metal parts are assembled and welded to form a frame structure.

[0004] However, the assembly and welding scheme using a large number of stamped sheet metal parts involves too many welding steps, complicated production processes and high costs. Utility Model Content

[0005] The present application provides a front sub-frame and a vehicle to solve the technical problems of complex manufacturing and high cost of the existing front sub-frame.

[0006] According to one aspect of the present application, a front subframe is provided, including a front crossbeam structure, a rear crossbeam structure, a left longitudinal beam structure and a right longitudinal beam structure; the front crossbeam structure and the rear crossbeam structure are spaced apart in the front-to-rear direction, and the left longitudinal beam structure and the right longitudinal beam structure are spaced apart in the left-to-right direction; the front crossbeam structure is connected to the same side ends of the left longitudinal beam structure and the right longitudinal beam structure, and the two ends of the rear crossbeam structure are respectively connected to the left longitudinal beam structure and the right longitudinal beam structure; the front crossbeam structure, the rear crossbeam structure, the left longitudinal beam structure and the right longitudinal beam structure all include an integrally formed tubular beam body.

[0007] In an optional scheme of the present application, the tube beam body in the left longitudinal beam structure is the left longitudinal tube beam body, and the tube beam body in the right longitudinal beam structure is the right longitudinal tube beam body; the left longitudinal beam structure also includes a left thrust rod mounting bracket, which is connected to the left longitudinal tube beam body; the right longitudinal beam structure also includes a right thrust rod mounting bracket, which is connected to the right longitudinal tube beam body; the left thrust rod mounting bracket and the right thrust rod mounting bracket are arranged symmetrically on the left and right and both extend outward.

[0008] In an optional scheme of the present application, the left longitudinal beam structure also includes a left swing arm mounting bracket, which is connected to the left longitudinal tube beam body; the right longitudinal beam structure also includes a right swing arm mounting bracket, which is connected to the right longitudinal tube beam body; the left swing arm mounting bracket and the right swing arm mounting bracket are arranged symmetrically on the left and right and both extend outward; the rear cross beam structure is located between the swing arm mounting bracket and the thrust rod mounting bracket and is away from the front cross beam structure relative to the swing arm mounting bracket.

[0009] In an optional scheme of the present application, the left longitudinal tube beam body includes a left tube beam longitudinal section and a left tube beam bending section, and the right longitudinal tube beam body includes a right tube beam longitudinal section and a right tube beam bending section; the left thrust rod mounting bracket is located at the junction of the left tube beam longitudinal section and the left tube beam bending section, and the right thrust rod mounting bracket is located at the junction of the right tube beam longitudinal section and the right tube beam bending section; the left tube beam bending section and the right tube beam bending section are arranged symmetrically on the left and right and both extend inward.

[0010] In an optional scheme of the present application, the left longitudinal beam structure also includes a left rear body mounting sleeve, which is connected to one end of the left tubular beam bending section away from the front cross beam structure; the right longitudinal beam structure also includes a right rear body mounting sleeve, which is connected to one end of the right tubular beam bending section away from the front cross beam structure.

[0011] In an optional scheme of the present application, the tubular beam body in the rear cross beam structure is the rear cross tubular beam body, and the two ends of the rear cross tubular beam body are respectively connected to the same side ends of the left tubular beam longitudinal section and the right tubular beam longitudinal section; the front subframe also includes a left reinforcing beam and a right reinforcing beam arranged symmetrically on the left and right sides, and the two ends of the left reinforcing beam are respectively connected to the left tubular beam longitudinal section and the rear cross tubular beam body, and the two ends of the right reinforcing beam are respectively connected to the right tubular beam longitudinal section and the rear cross tubular beam body.

[0012] In an optional scheme of the present application, the left longitudinal beam structure also includes a left steering mounting bracket, and the right longitudinal beam structure also includes a right steering mounting bracket; the left steering mounting bracket is connected to the left tubular beam longitudinal section and connected to the left reinforcing beam and the rear cross tubular beam body; the right steering mounting bracket is connected to the right tubular beam longitudinal section and connected to the right reinforcing beam and the rear cross tubular beam body.

[0013] In an optional solution of the present application, the rear cross beam structure also includes a first suspension mounting bracket, which is connected to the rear cross tube beam body and extends inward, and the first suspension mounting bracket is located between the left reinforcement beam and the right reinforcement beam; the left longitudinal beam structure also includes a second suspension mounting bracket, which is connected to one end of the left tube beam longitudinal section and connected to the front cross beam structure; the right longitudinal beam structure also includes a third suspension mounting bracket, which is connected to one end of the right tube beam longitudinal section and connected to the front cross beam structure.

[0014] In an optional scheme of the present application, the tube beam body in the front cross beam structure is the front cross tube beam body, and the front cross beam structure includes a left front body mounting sleeve, a right front body mounting sleeve, a left stabilizer bar mounting bracket and a right stabilizer bar mounting bracket; the front cross tube beam body includes a front tube beam cross section and a front tube beam bent section located at both ends of the front tube beam cross section, and the front tube beam bent section extends upward from the end of the front tube beam horizontal section; the left front body mounting sleeve and the right front body mounting sleeve are respectively connected to the front tube beam bent sections on both sides, and the left stabilizer bar mounting bracket and the right stabilizer bar mounting bracket are respectively connected to the two ends of the front tube beam cross section.

[0015] According to another aspect of the present application, a vehicle is provided, and the vehicle includes the above-mentioned front subframe.

[0016] In summary, the front subframe and vehicle provided by the present application have at least the following beneficial effects:

[0017] The front subframe is a frame structure assembled from four beam structures. Furthermore, each beam structure includes an integrally formed tubular beam body to replace the beam structure assembled from stamped sheet metal parts in the prior art, which can reduce the complexity of the front subframe, reduce assembly and welding procedures, simplify the manufacturing process, reduce production costs, and improve structural strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific implementation or the prior art description. Obviously, the drawings described below are some implementations of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A schematic diagram of a front subframe provided according to one embodiment of the present application;

[0020] Figure 2 for Figure 1 Schematic diagram of the front subframe from another perspective.

[0021] The reference numerals are as follows:

[0022] 100, front subframe;

[0023] 110, front cross beam structure; 111, front cross tube beam body; 1111, front tube beam transverse section; 1112, front tube beam bending section; 112, front body mounting sleeve; 113, right front body mounting sleeve; 114, left stabilizer bar mounting bracket; 115, right stabilizer bar mounting bracket;

[0024] 120. rear cross beam structure; 121. rear cross tube beam body; 122. first suspension mounting bracket;

[0025] 130, left longitudinal beam structure; 131, left longitudinal tube beam body; 1311, left tube beam longitudinal section; 1312, left tube beam bending section; 132, left thrust rod mounting bracket; 133, left swing arm mounting bracket; 134, left steering mounting bracket; 135, second suspension mounting bracket; 136, left rear body mounting sleeve;

[0026] 140, right longitudinal beam structure; 141, right longitudinal tube beam body; 1411, right tube beam longitudinal section; 1412, right tube beam bending section; 142, right thrust rod mounting bracket; 143, right swing arm mounting bracket; 144, right steering mounting bracket; 145, third suspension mounting bracket; 146, rear body mounting sleeve;

[0027] 150, left reinforcement beam;

[0028] 160. Right reinforced beam. DETAILED DESCRIPTION

[0029] In the description of this application, if there is a feature defined as "first" or "second" for descriptive purposes only, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Features defined as "first" or "second" may explicitly or implicitly include at least one of the defined features. If the description of "plurality" appears, the general meaning is to include at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In this application, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed" and so on should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection, it can be a direct connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0031] In the description of this specification, if the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" appear, it means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0032] Each beam structure in the existing front subframe is assembled from multiple stamped sheet metal parts and has a cavity structure. Specifically, each sheet metal part needs to go through a stamping process, and then be assembled and welded to form each beam structure, and then each beam structure is assembled and welded to form the front subframe. The production process is relatively complicated, the cycle is long, and the cost is high.

[0033] It should be noted that in the description of this application, "front", "rear", "left" and "right" are judged based on the front, rear, left and right directions of the vehicle. The front and rear directions are the directions of the front and rear of the vehicle, and the left and right directions are the directions of the left and right doors of the vehicle. In addition, the front and rear directions are also longitudinal directions, and the left and right directions are also transverse directions.

[0034] To address this problem, the present application provides a novel front subframe 100 . Figure 1 It is a schematic diagram of a front subframe 100 provided according to one embodiment of the present application. Figure 2 for Figure 1 A schematic diagram of the front subframe 100 in another perspective. Figure 1 and Figure 2 The front subframe 100 includes a front cross beam structure 110 , a rear cross beam structure 120 , a left longitudinal beam structure 130 and a right longitudinal beam structure 140 .

[0035] The front cross beam structure 110 and the rear cross beam structure 120 are spaced apart in the front-to-rear direction, and the left longitudinal beam structure 130 and the right longitudinal beam structure 140 are spaced apart in the left-to-right direction.

[0036] The front cross beam structure 110 is connected to the same side ends of the left longitudinal beam structure 130 and the right longitudinal beam structure 140 , and both ends of the rear cross beam structure 120 are connected to the left longitudinal beam structure 130 and the right longitudinal beam structure 140 , respectively.

[0037] The front cross beam structure 110 , the rear cross beam structure 120 , the left longitudinal beam structure 130 , and the right longitudinal beam structure 140 all include an integrally formed tubular beam body.

[0038] In the present application, the front subframe 100 is assembled and enclosed by a front cross beam structure 110, a rear cross beam structure 120, a left longitudinal beam structure 130 and a right longitudinal beam structure 140. The front cross beam structure 110 and the rear cross beam structure 120 are spaced apart in the front-to-back direction, and the left longitudinal beam structure 130 and the right longitudinal beam structure 140 are spaced apart in the left-to-right direction.

[0039] The same side ends of the left longitudinal beam structure 130 and the right longitudinal beam structure 140 are both connected to the front cross beam structure 110 , where the same side ends of the left longitudinal beam structure 130 and the right longitudinal beam structure 140 refer to the front ends. The rear cross beam structure 120 is connected between the left longitudinal beam structure 130 and the right longitudinal beam structure 140 .

[0040] It can be seen that the front subframe 100 is a frame structure assembled from four beam structures. Furthermore, each beam structure includes an integrally formed tubular beam body to replace the beam structure assembled from stamped sheet metal parts in the prior art, which can reduce the complexity of the front subframe 100, reduce the assembly and welding procedures, simplify the manufacturing process, reduce the production cost, and improve the structural strength.

[0041] In a specific application, the front subframe 100 can be used to carry a straight arm and a thrust rod, which is a McPherson suspension. The McPherson suspension is a common independent suspension system, and the thrust rod is an auxiliary lateral stabilization device. This combination allows the vehicle to have better handling and stability while maintaining light weight and cost-effectiveness.

[0042] In the illustrated embodiment, the pipe beam bodies of the beam structures in the front subframe 100 are all hollow round pipes, and are integrally formed profiles. Of course, this is not limited to this, and for example, they can also be hollow rectangular pipes, hollow D-shaped pipes, etc.

[0043] It should be noted that, in the description of the present application, the relationship between “inside” and “outside” is determined based on the frame center position of the front subframe 100 .

[0044] In a further optional embodiment, the tubular beam body in the left longitudinal beam structure 130 is a left longitudinal tubular beam body 131 , and the tubular beam body in the right longitudinal beam structure 140 is a right longitudinal tubular beam body 141 .

[0045] The left longitudinal beam structure 130 further includes a left thrust rod mounting bracket 132, which is connected to the left longitudinal tube beam body 131. The right longitudinal beam structure 140 further includes a right thrust rod mounting bracket 142, which is connected to the right longitudinal tube beam body 141. The left thrust rod mounting bracket 132 and the right thrust rod mounting bracket 142 are arranged symmetrically and both extend outward.

[0046] In the present application, the left longitudinal beam structure 130 includes a left longitudinal tube beam body 131 and a left thrust rod mounting bracket 132. Accordingly, the tube beam body corresponding to the left longitudinal beam structure 130 is the left longitudinal tube beam body 131. The right longitudinal beam structure 140 includes a right longitudinal tube beam body 141 and a right thrust rod mounting bracket 142. Accordingly, the tube beam body corresponding to the right longitudinal beam structure 140 is the right longitudinal tube beam body 141.

[0047] The left thrust rod mounting bracket 132 and the right thrust rod mounting bracket 142 are fixedly mounted on the left longitudinal tube beam body 131 and the right longitudinal tube beam body 141 respectively, and are arranged symmetrically on the left and right sides.

[0048] It should be noted that the thrust rod is a component of the vehicle suspension system, which is usually used to connect the vehicle chassis and the vehicle suspension system to transmit the suspension force. It should be understood that the left thrust rod mounting bracket 132 and the right thrust rod mounting bracket 142 are used to install the thrust rod.

[0049] In a specific application, both the left thrust rod mounting bracket 132 and the right thrust rod mounting bracket 142 are provided with mounting holes to cooperate with the fastening connectors to realize the assembly and connection of the thrust rods.

[0050] In a further optional embodiment, the left longitudinal beam structure 130 further includes a left swing arm mounting bracket 133, which is connected to the left longitudinal tube beam body 131. The right longitudinal beam structure 140 further includes a right swing arm mounting bracket 143, which is connected to the right longitudinal tube beam body 141. The left swing arm mounting bracket 133 and the right swing arm mounting bracket 143 are arranged symmetrically and both extend outward. The rear cross beam structure 120 is located between the swing arm mounting bracket and the thrust rod mounting bracket and is away from the front cross beam structure 110 relative to the swing arm mounting bracket.

[0051] In this embodiment, the left longitudinal tube beam body 131 and the right longitudinal tube beam body 141 are respectively fixedly mounted with a left swing arm mounting bracket 133 and a right swing arm mounting bracket 143 , and the left swing arm mounting bracket 133 and the right swing arm mounting bracket 143 are used to install the swing arm.

[0052] The left end of the rear cross beam structure 120 is located between the left swing arm mounting bracket 133 and the left thrust rod mounting bracket 132, and the right end of the rear cross beam structure 120 is located between the right swing arm mounting bracket 143 and the right thrust rod mounting bracket 142, that is, the rear cross beam structure 120 is located between the swing arm mounting bracket and the thrust rod mounting bracket. In addition, the swing arm mounting bracket is arranged more forward than the rear cross beam structure 120.

[0053] It should be noted that the swing arm is a component of the vehicle suspension system, which is used to support and connect the wheels. In a specific application, both the left swing arm mounting bracket 133 and the right swing arm mounting bracket 143 are provided with mounting holes to cooperate with the fastening connector to realize the assembly and connection of the swing arm.

[0054] It can be seen that a thrust rod mounting point and a swing arm mounting point are formed on the front and rear sides of the rear cross beam structure 120 , and the rear cross beam structure 120 located between these two mounting points can provide better lateral support and ensure structural strength.

[0055] In a further optional embodiment, the left longitudinal tube beam body 131 includes a left tube beam longitudinal section 1311 and a left tube beam bending section 1312, and the right longitudinal tube beam body 141 includes a right tube beam longitudinal section 1411 and a right tube beam bending section 1412. The left thrust rod mounting bracket 132 is located at the junction of the left tube beam longitudinal section 1311 and the left tube beam bending section 1312, and the right thrust rod mounting bracket 142 is located at the junction of the right tube beam longitudinal section 1411 and the right tube beam bending section 1412. The left tube beam bending section 1312 and the right tube beam bending section 1412 are arranged symmetrically and both extend inward.

[0056] In this embodiment, the left longitudinal tube beam body 131 and the right longitudinal tube beam body 141 are tube beams of the same structure. Specifically, they both include a tube beam longitudinal section and a tube beam bending section, and correspond to the left tube beam longitudinal section 1311 and the left tube beam bending section 1312 and the right tube beam longitudinal section 1411 and the right tube beam bending section 1412 respectively.

[0057] In a specific application, the left longitudinal tube beam body 131 and the right longitudinal tube beam body 141 are arranged symmetrically, and accordingly, the left tube beam bending section 1312 and the right tube beam bending section 1412 are also arranged symmetrically, and both extend inward. That is, the left tube beam bending section 1312 and the right tube beam bending section 1412 are arranged inwardly.

[0058] As can be seen from the foregoing, the thrust rod mounting brackets located at the junction of the longitudinal section of the pipe beam and the bent section of the pipe beam all extend outward, while the bent section of the pipe beam extends inward, thus making room for the installation of the thrust rod.

[0059] In a specific application, the acute angle formed between the left tube beam bending section 1312 and the right tube beam bending section 1412 is 35° to 75°, preferably 40° to 55°. It should be noted that in the figure, the acute angle formed between the left tube beam bending section 1312 and the right tube beam bending section 1412 mainly refers to the acute angle formed by the extension lines of the two.

[0060] In a further optional embodiment, the tubular beam body in the rear cross beam structure 120 is a rear cross tubular beam body 121 , and both ends of the rear cross tubular beam body 121 are respectively connected to the same side ends of the left tubular beam longitudinal section 1311 and the right tubular beam longitudinal section 1411 .

[0061] The front subframe 100 further includes a left reinforcing beam 150 and a right reinforcing beam 160 which are arranged symmetrically on the left and right sides. The two ends of the left reinforcing beam 150 are respectively connected to the left longitudinal section 1311 of the tube beam and the rear transverse tube beam body 121 , while the two ends of the right reinforcing beam 160 are respectively connected to the right longitudinal section 1411 of the tube beam and the rear transverse tube beam body 121 .

[0062] In this embodiment, the tube beam body in the rear cross beam structure 120 corresponds to the rear cross tube beam body 121 , and its two ends are respectively connected to the rear end of the left tube beam longitudinal section 1311 and the rear end of the right tube beam longitudinal section 1411 .

[0063] Furthermore, the front subframe 100 also includes a left reinforcing beam 150 and a right reinforcing beam 160, which are arranged symmetrically on the left and right sides. The left reinforcing beam 150 is connected between the left tube beam longitudinal section 1311 and the rear transverse tube beam body 121, and the right reinforcing beam 160 is connected between the right tube beam longitudinal section 1411 and the rear transverse tube beam body 121, so as to further strengthen the lateral support and ensure the structural strength of the entire front subframe 100.

[0064] In a further optional embodiment, the left longitudinal beam structure 130 further includes a left steering mounting bracket 134, and the right longitudinal beam structure 140 further includes a right steering mounting bracket 144. The left steering mounting bracket 134 is connected to the left tube beam longitudinal section 1311 and connected to the left reinforcement beam 150 and the rear transverse tube beam body 121. The right steering mounting bracket 144 is connected to the right tube beam longitudinal section 1411 and connected to the right reinforcement beam 160 and the rear transverse tube beam body 121.

[0065] In this embodiment, the left steering mounting bracket 134 is fixedly installed in the area enclosed by the left tube beam longitudinal section 1311, the left reinforcing beam 150 and the rear cross tube beam body 121, and the right steering mounting bracket 144 is fixedly installed in the area enclosed by the right tube beam longitudinal section 1411, the right reinforcing beam 160 and the rear cross tube beam body 121.

[0066] Since the left tube beam longitudinal section 1311 and the right tube beam longitudinal section 1411 are arranged symmetrically, and the left reinforcing beam 150 and the right reinforcing beam 160 are arranged symmetrically, the left steering mounting bracket 134 and the right steering mounting bracket 144 are arranged symmetrically.

[0067] In a specific application, both the left steering mounting bracket 134 and the right steering mounting bracket 144 are provided with mounting holes for cooperating with the fastening connector to realize fixed mounting of the steering rod. It should be noted that the steering rod is a component of the vehicle steering system.

[0068] In a further optional embodiment, the rear cross beam structure 120 also includes a first suspension mounting bracket 122 , which is connected to the rear cross tube beam body 121 and extends inward, and the first suspension mounting bracket 122 is located between the left reinforcement beam 150 and the right reinforcement beam 160 .

[0069] The left longitudinal beam structure 130 further includes a second suspension mounting bracket 135, which is connected to one end of the left longitudinal section 1311 of the pipe beam and connected to the front cross beam structure 110. The right longitudinal beam structure 140 further includes a third suspension mounting bracket 145, which is connected to one end of the right longitudinal section 1411 of the pipe beam and connected to the front cross beam structure 110.

[0070] In this embodiment, the first suspension mounting bracket 122 , the second suspension mounting bracket 135 and the third suspension mounting bracket 145 in the front subframe 100 are fixedly mounted on the rear transverse tube beam body 121 , the left tube beam longitudinal section 1311 and the right tube beam longitudinal section 1411 , respectively.

[0071] In addition, the second suspension mounting bracket 135 is fixedly installed at the front end of the left tube beam longitudinal section 1311 and connected to the front cross beam structure 110, and the third suspension mounting bracket 145 is fixedly installed at the front end of the right tube beam longitudinal section 1411 and connected to the front cross beam structure 110, thereby enhancing the connection reliability between the longitudinal beam structure and the front cross beam structure 110.

[0072] In a specific application, the first suspension mounting bracket 122, the second suspension mounting bracket 135 and the third suspension mounting bracket 145 are all provided with mounting holes, which form a three-point connection structure, and can be used to fix the vehicle suspension with the fastening connector. It should be understood that the vehicle suspension is mainly used for shock absorption, which will not be described in detail here.

[0073] In a further optional embodiment, the left longitudinal beam structure 130 further includes a left rear vehicle body mounting sleeve 136, which is connected to one end of the left tube beam bending section 1312 away from the front cross beam structure 110. The right longitudinal beam structure 140 further includes a right rear vehicle body mounting sleeve 146, which is connected to one end of the right tube beam bending section 1412 away from the front cross beam structure 110.

[0074] In this embodiment, a left rear body mounting sleeve 136 is provided at the rear end of the left tubular beam bending section 1312, and a right rear body mounting sleeve 146 is provided at the rear end of the right tubular beam bending section 1412. The left rear body mounting sleeve 136 and the right rear body mounting sleeve 146 can be connected to the body by fastening connectors.

[0075] In some optional embodiments, the tubular beam body in the front cross beam structure 110 is a front cross tubular beam body 111 , and the front cross beam structure 110 includes a left front vehicle body mounting sleeve 112 , a right front vehicle body mounting sleeve 113 , a left stabilizer bar mounting bracket 114 and a right stabilizer bar mounting bracket 115 .

[0076] The front transverse tube beam body 111 comprises a front tube beam transverse section 1111 and front tube beam bending sections 1112 located at both ends of the front tube beam transverse section 1111 . The front tube beam bending sections 1112 extend upward from the ends of the front tube beam transverse section 1111 .

[0077] The left front body mounting sleeve 112 and the right front body mounting sleeve 113 are respectively connected to the front tube beam bending sections 1112 on both sides, and the left stabilizer bar mounting bracket 114 and the right stabilizer bar mounting bracket 115 are respectively connected to the two ends of the front tube beam transverse section 1111.

[0078] In this embodiment, the front cross beam structure 110 includes a front cross beam body 111 , a left front body mounting sleeve 112 , a right front body mounting sleeve 113 , a left stabilizer bar mounting bracket 114 and a right stabilizer bar mounting bracket 115 .

[0079] The front cross beam body 111 is composed of a front beam transverse section 1111 and a front beam bending section 1112, and the front beam bending section 1112 is located at the left and right ends of the front beam transverse section 1111. The left front body mounting sleeve 112 and the right front body mounting sleeve 113 are respectively fixedly mounted on the front beam bending sections 1112 on both sides, so as to form a four-point mounting structure in cooperation with the left rear body mounting sleeve 136 and the right rear body mounting sleeve 146, so as to ensure the reliability of the connection between the front subframe 100 and the vehicle body.

[0080] The left stabilizer bar mounting bracket 114 and the right stabilizer bar mounting bracket 115 are arranged more inwardly than the left front body mounting sleeve 112 and the right front body mounting sleeve 112. Specifically, the left stabilizer bar mounting bracket 114 and the right stabilizer bar mounting bracket 115 are respectively fixedly mounted on the left and right ends of the front tube beam transverse section 1111, and are respectively aligned with the left tube beam longitudinal section 1311 and the right tube beam longitudinal section 1411 in the longitudinal direction, so as to ensure the impact strength of the front side.

[0081] In a specific application, both the left stabilizer bar mounting bracket 114 and the right stabilizer bar mounting bracket 115 are provided with mounting holes, which can be used in conjunction with fastening connectors to fix and install the stabilizer bar of the vehicle. It should be noted that the stabilizer bar is a component of the vehicle suspension system, and its main function is to reduce the roll of the vehicle when turning.

[0082] In the illustrated embodiment, the front cross tube beam body 111 is U-shaped, but is not limited thereto and the shape may be adjusted according to design requirements.

[0083] It should be noted that the above-mentioned mounting bracket is mainly formed by assembling and welding plate parts, and different appearance structures can be designed according to needs. The above-mentioned fastening connectors include, for example, bolts, latches, etc.

[0084] In summary, each beam structure in the front subframe 100 adopts an integrally formed tube beam body, and the corresponding mounting bracket and mounting sleeve can be assembled and welded on the corresponding tube beam body to form the corresponding beam structure. In this way, instead of forming the beam body structure by assembling and welding sheet metal parts, the welding process is greatly reduced, the production process is simplified, and the front subframe 100 is ensured to have good structural strength.

[0085] Another aspect of the present application further provides a vehicle, which includes the above-mentioned front subframe 100. Obviously, since the vehicle has the above-mentioned front subframe 100, it has all the advantages brought by the front subframe 100, which will not be repeated here one by one.

[0086] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A front subframe, characterized in that: It comprises a front cross beam structure (110), a rear cross beam structure (120), a left longitudinal beam structure (130) and a right longitudinal beam structure (140); The front cross beam structure (110) and the rear cross beam structure (120) are arranged at intervals along the front-to-back direction, and the left longitudinal beam structure (130) and the right longitudinal beam structure (140) are arranged at intervals along the left-to-right direction; The front cross beam structure (110) is connected to the same side ends of the left longitudinal beam structure (130) and the right longitudinal beam structure (140), and the two ends of the rear cross beam structure (120) are respectively connected to the left longitudinal beam structure (130) and the right longitudinal beam structure (140); The front cross beam structure (110), the rear cross beam structure (120), the left longitudinal beam structure (130) and the right longitudinal beam structure (140) all comprise an integrally formed tubular beam body.

2. The front subframe according to claim 1, characterized in that: The tubular beam body in the left longitudinal beam structure (130) is a left longitudinal tubular beam body (131), and the tubular beam body in the right longitudinal beam structure (140) is a right longitudinal tubular beam body (141); The left longitudinal beam structure (130) further comprises a left thrust rod mounting bracket (132), wherein the left thrust rod mounting bracket (132) is connected to the left longitudinal tube beam body (131); The right longitudinal beam structure (140) further comprises a right thrust rod mounting bracket (142), wherein the right thrust rod mounting bracket (142) is connected to the right longitudinal tube beam body (141); The left thrust rod mounting bracket (132) and the right thrust rod mounting bracket (142) are arranged symmetrically on the left and right and both extend outward.

3. The front subframe according to claim 2, characterized in that: The left longitudinal beam structure (130) further comprises a left swing arm mounting bracket (133), wherein the left swing arm mounting bracket (133) is connected to the left longitudinal tube beam body (131); The right longitudinal beam structure (140) further comprises a right swing arm mounting bracket (143), wherein the right swing arm mounting bracket (143) is connected to the right longitudinal tube beam body (141); The left swing arm mounting bracket (133) and the right swing arm mounting bracket (143) are arranged symmetrically and both extend outwards; The rear cross beam structure (120) is located between the swing arm mounting bracket and the thrust rod mounting bracket and is away from the front cross beam structure (110) relative to the swing arm mounting bracket.

4. The front subframe according to claim 2, characterized in that: The left longitudinal tube beam body (131) comprises a left tube beam longitudinal section (1311) and a left tube beam bending section (1312), and the right longitudinal tube beam body (141) comprises a right tube beam longitudinal section (1411) and a right tube beam bending section (1412); The left thrust rod mounting bracket (132) is located at the junction of the left tube beam longitudinal section (1311) and the left tube beam bending section (1312), and the right thrust rod mounting bracket (142) is located at the junction of the right tube beam longitudinal section (1411) and the right tube beam bending section (1412); The left tube beam bending section (1312) and the right tube beam bending section (1412) are arranged symmetrically on the left and right and both extend inwards.

5. The front subframe according to claim 4, characterized in that: The left longitudinal beam structure (130) further comprises a left rear vehicle body mounting sleeve (136), wherein the left rear vehicle body mounting sleeve (136) is connected to an end of the left pipe beam bending section (1312) away from the front cross beam structure (110); The right longitudinal beam structure (140) also includes a right rear vehicle body mounting sleeve (146), and the right rear vehicle body mounting sleeve (146) is connected to an end of the right tube beam bending section (1412) away from the front cross beam structure (110).

6. The front subframe according to claim 4, characterized in that: The tube beam body in the rear cross beam structure (120) is a rear cross tube beam body (121), and two ends of the rear cross tube beam body (121) are respectively connected to the same side ends of the left tube beam longitudinal section (1311) and the right tube beam longitudinal section (1411); The front subframe (100) further comprises a left reinforcing beam (150) and a right reinforcing beam (160) which are arranged symmetrically on the left and right sides, wherein two ends of the left reinforcing beam (150) are respectively connected to the left tube beam longitudinal section (1311) and the rear transverse tube beam body (121), and two ends of the right reinforcing beam (160) are respectively connected to the right tube beam longitudinal section (1411) and the rear transverse tube beam body (121).

7. The front subframe according to claim 6, characterized in that: The left longitudinal beam structure (130) further includes a left steering mounting bracket (134), and the right longitudinal beam structure (140) further includes a right steering mounting bracket (144); The left steering mounting bracket (134) is connected to the left tube beam longitudinal section (1311) and is connected to the left reinforcing beam (150) and the rear transverse tube beam body (121); The right steering mounting bracket (144) is connected to the right tube beam longitudinal section (1411) and is connected to the right reinforcing beam (160) and the rear transverse tube beam body (121).

8. The front subframe according to claim 6, characterized in that: The rear cross beam structure (120) further comprises a first suspension mounting bracket (122), wherein the first suspension mounting bracket (122) is connected to the rear cross tube beam body (121) and extends inwardly, and the first suspension mounting bracket (122) is located between the left reinforcement beam (150) and the right reinforcement beam (160); The left longitudinal beam structure (130) further comprises a second suspension mounting bracket (135), wherein the second suspension mounting bracket (135) is connected to one end of the left pipe beam longitudinal section (1311) and connected to the front cross beam structure (110); The right longitudinal beam structure (140) further comprises a third suspension mounting bracket (145), wherein the third suspension mounting bracket (145) is connected to one end of the right tube beam longitudinal section (1411) and connected to the front cross beam structure (110).

9. The front subframe according to claim 1, characterized in that: The tube beam body in the front cross beam structure (110) is a front cross tube beam body (111), and the front cross beam structure (110) comprises a left front vehicle body mounting sleeve (112), a right front vehicle body mounting sleeve (113), a left stabilizer bar mounting bracket (114), and a right stabilizer bar mounting bracket (115); The front transverse tube beam body (111) comprises a front tube beam transverse section (1111) and front tube beam bending sections (1112) located at both ends of the front tube beam transverse section (1111), and the front tube beam bending sections (1112) extend upward from the ends of the front tube beam transverse section (1111); The left front vehicle body mounting sleeve (112) and the right front vehicle body mounting sleeve (113) are respectively connected to the front tube beam bending sections (1112) on both sides, and the left stabilizer bar mounting bracket (114) and the right stabilizer bar mounting bracket (115) are respectively connected to the two ends of the front tube beam transverse section (1111).

10. A vehicle, characterized in that: The vehicle comprises a front subframe (100) according to any one of claims 1 to 9.

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