Swing arm mounting structure and vehicle

Abstract

The utility model relates to the technical field of automobile parts, and particularly discloses a swing arm mounting structure which is used for connecting a swing arm and an automobile body girder and comprises a first support and a second support, the first support comprises a mounting support and a supporting frame connected with the mounting support, the mounting support is used for being connected with the automobile body girder, and the second support is used for being connected with the supporting frame. The swing arm is connected with the support frame; the second support comprises a mounting part and a supporting part, the mounting part is used for being connected with the vehicle body girder, the supporting part is used for being connected with the swing arm, and the swing arm is arranged between the supporting part and the vehicle body girder. The utility model further discloses a vehicle. The first bracket and the second bracket are respectively connected with the girder, so that the defect of insufficient dynamic stiffness caused by longer structure of the existing swing arm mounting point can be avoided, the complexity of the structures of the front lower swing arm mounting bracket and peripheral parts of the front shaft assembly can be reduced, and the manufacturing requirement is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to a swing arm mounting structure and vehicle. BACKGROUND

[0002] The front axle welding piece is a vehicle body bottom structure piece for front-mounted rear-drive vehicle, which provides the mounting structure of front lower swing arm front point, engine suspension, air conditioner compressor support, steering gear assembly and the mounting structure of suspension and vehicle body. The vibration of road surface, air conditioner compressor or power assembly will be transmitted to the driver cabin through the front axle welding piece, and the load of front lower swing arm and steering gear will directly act on the front axle welding piece. At present, the front axle welding piece is connected with the vehicle body through the beam mounting bracket, and the front lower swing arm mounting point structure is connected with the front axle welding piece, and the beam mounting bracket and the front lower swing arm mounting point structure are in split structure, which leads to that the front lower swing arm mounting point structure is longer, the force arm is larger, and the dynamic stiffness of the mounting point is weaker, which is not conducive to the suppression of vehicle road noise; and the structure of the front lower swing arm mounting point bracket and its surrounding parts of the front axle welding piece is complex, and the matching manufacturing precision is high, which is not conducive to the stability of manufacturing quality. SUMMARY

[0003] The technical problem to be solved by the utility model is how to solve the problems of weak dynamic stiffness and high manufacturing precision in the prior art.

[0004] In order to solve the above technical problems, the utility model provides a swing arm mounting structure for connecting a swing arm and a vehicle body beam, which comprises:

[0005] A first bracket, which comprises a mounting bracket and a support frame connected with the mounting bracket, the mounting bracket is used for connecting with the vehicle body beam, and the swing arm is connected with the support frame; and

[0006] A second bracket, which comprises a mounting part and a supporting part, the mounting part is used for connecting with the vehicle body beam, the supporting part is used for connecting with the swing arm, and the swing arm is arranged between the supporting part and the vehicle body beam.

[0007] Further preferably, the mounting bracket comprises a first mounting panel and a second mounting panel, the first mounting panel and the second mounting panel are connected to form an "L" type structure, the first mounting panel is connected with the vehicle body beam, the support frame is mounted on the second mounting panel, and at least part of the support frame is connected with the first mounting panel.

[0008] Further preferably, the support frame comprises a first support plate and a second support plate arranged on the second mounting panel, the first support plate and the second support plate extend in a direction of the first mounting panel at one end and are connected with the first mounting panel, and the first support plate and the second support plate are both provided with a mounting hole for fixing the swing arm.

[0009] Further preferably, the swing arm is provided with a first bushing, the mounting hole is penetrated by a first fastener, and the first bushing is connected with the first fastener.

[0010] Further preferably, the first support plate is provided with a first flange on a side away from the second mounting panel, and the first flange is connected with the first mounting panel; and / or

[0011] the second support plate is provided with a second flange on a side away from the second mounting panel, and the second flange is connected with the first mounting panel.

[0012] Further preferably, the swing arm is provided with a second bushing, the support portion is provided with a second fastener, and the second bushing is connected with the second fastener.

[0013] Further preferably, the mounting portion is provided with at least one third fastener, and the mounting portion is connected with the vehicle body frame through the third fastener.

[0014] Further preferably, the second support frame is provided with at least one convex rib.

[0015] Further preferably, a side edge of the second support frame is provided with a third flange.

[0016] The utility model further provides a vehicle, including vehicle body and swing arm mounting structure as above-mentioned, the vehicle body includes vehicle body frame, swing arm and front axle welding assembly, the swing arm mounting structure is arranged in both ends of the front axle welding assembly, and with vehicle body frame is connected, the swing arm is installed in the first support frame and second support frame.

[0017] Compared with the prior art, the swing arm mounting structure and the vehicle have the beneficial effects that:

[0018] Firstly, the mounting bracket (21) and the support frame (22) are integrated into one body, and are connected with the vehicle body beam through the mounting bracket (21), so that when the swing arm is connected with the support frame (22), part of vibration of the swing arm (40) can be directly transmitted to the vehicle body through the mounting bracket (21), the manufacturing requirement of the front axle welding assembly can be reduced, and the mounting bracket (21) and the support frame (22) are integrated into one body, the dynamic stiffness and the strength of the swing arm mounting point structure can be improved, compared with the split structure of the traditional beam mounting bracket and the front lower swing arm mounting point structure, the front lower swing arm mounting point structure can be effectively shortened, and compared with the existing split design, the design of the front axle welding assembly can be simplified, and the manufacturing requirement of the front axle welding assembly is reduced; secondly, the second bracket is additionally arranged, can be used for connecting the vehicle body beam and the support swing arm as an independent part, can be matched with the vehicle body beam according to the structure of the swing arm, the structural complexity of the front axle welding assembly is not increased, and the manufacturing requirement of the front axle welding assembly is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a bottom view of the swing arm mounting structure of the utility model.

[0020] Figure 2 is an enlarged view of A in the swing arm mounting structure of the utility model. Figure 1

[0021] Figure 3 is a front view of the swing arm mounting structure of the utility model.

[0022] Figure 4 is a front view of the first bracket of the utility model.

[0023] Figure 5 is a side view of the first bracket of the utility model.

[0024] Figure 6 is an assembly view of the swing arm mounting structure of the utility model.

[0025] REFERENCE SIGNS:

[0026] 10, front axle welding assembly;

[0027] 20, first bracket; 21, mounting bracket; 211, first mounting panel; 212, second mounting panel; 22, support frame; 221, first support plate; 222, second support plate; 223, connecting plate; 224, first flange; 225, second flange; 23, first fastener; 24, mounting hole;

[0028] ​30 second support; 30a mounting portion; 30b support portion; 31 rib; 32 second fastener; 33 third fastener; 34 third flange;

[0029] 40 swing arm; 41 first bushing; 42 second bushing. DETAILED DESCRIPTION

[0030] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like in the present application are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0033] In addition, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In the present application, unless otherwise specifically stated and limited, a first feature is "on" or "under" a second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be an intermediate element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and are not the only embodiment.

[0036] Embodiment 1

[0037] The present embodiment provides a swing arm mounting structure for connecting a swing arm 40 and a vehicle body beam.

[0038] As shown in Figures 1 to 6 In some embodiments, the swing arm mounting structure includes a first bracket 20 and a second bracket 30, wherein the first bracket 20 and the second bracket 30 are relatively independent and connected to the vehicle body beam, and the swing arm 40 is mounted to the vehicle body beam through the first bracket 20 and the second bracket 30.

[0039] In some embodiments, the first bracket 20 includes a mounting bracket 21 and a support bracket 22 connected to the mounting bracket 21, the mounting bracket 21 is used to connect with the vehicle body beam, and the swing arm 40 is connected with the support bracket 22. The mounting bracket 21 and the support bracket 22 are integrated in the present embodiment, and are connected to the vehicle body beam through the mounting bracket 21. In this way, when the swing arm is connected with the support bracket 22, part of the vibration of the swing arm 40 can be directly transmitted to the vehicle body through the mounting bracket 21, the manufacturing requirements of the front axle weldment can be reduced, and the mounting bracket 21 and the support bracket 22 are integrated in the present application, which can improve the dynamic stiffness and strength of the swing arm mounting point structure. Compared with the split structure of the traditional beam mounting bracket and the front lower swing arm mounting point structure, the present application can effectively shorten the front lower swing arm mounting point structure, and the integrated way can simplify the design of the front axle weldment and reduce the manufacturing requirements of the front axle weldment.

[0040] In some embodiments, the mounting bracket 21 comprises a first mounting panel 211 and a second mounting panel 212, which are connected to form an "L" shaped structure, wherein the first mounting panel 211 is connected with the vehicle body beam, the support bracket 22 is mounted on the second mounting panel 212, and at least part of the support bracket 22 is connected with the first mounting panel 211, so as to enhance the connection strength and rigidity between the support bracket 22 and the mounting bracket 21.

[0041] In some embodiments, in order to further improve the structural stability of the swing arm 40 after installation, the support bracket 22 comprises a first support plate 221 and a second support plate 222 arranged on the second mounting panel 212, one end of each of the first support plate 221 and the second support plate 222 extends towards the first mounting panel 211 and is connected with the first mounting panel 211, and the swing arm 40 is mounted between the first support plate 221 and the second support plate 222. In this way, the swing arm 40 is supported and fixed by the first support plate 221 and the second support plate 222 on both sides, which can provide balanced support to the swing arm 40, thereby ensuring the stability of the swing arm 40 after installation, and the two support plates can greatly improve the structural strength and rigidity of the support bracket 22, thereby providing stable support to the swing arm 40 and simplifying the design and manufacturing requirements of the front axle welded member.

[0042] In some embodiments, the first support plate 221 and the second support plate 222 are each provided with a mounting hole 24 for fixing the swing arm 40, the swing arm 40 is provided with a first bushing 41, the mounting hole 24 is penetrated by a first fastener 23, the first bushing 41 is connected with the first fastener 23, and the swing arm 40 is installed and fixed by the mounting hole 24 cooperating with the first fastener 23, which can effectively improve the installation efficiency and is conducive to subsequent disassembly, maintenance and replacement.

[0043] In some embodiments, in order to further improve the structural strength and rigidity of the support bracket 22, a connecting plate 223 is arranged between the first support plate 221 and the second support plate 222, and the connecting plate 223 is connected with the second mounting panel 212. Specifically, the connecting plate 223 is connected to one end of the first support plate 221 and the second support plate 222 away from the first mounting panel 211, so that the support bracket 22 and the first mounting panel 211 form a closed frame, which can improve the structural strength and rigidity of the support bracket 22 itself, and further improve the carrying capacity of the support bracket 22.

[0044] In some embodiments, in order to further improve the structural strength and rigidity of the support frame 22, the first support plate 221 is provided with a first flange 224 away from one side of the second mounting panel 212, and the first flange 224 is connected with the first mounting panel 211; and / or, the second support plate 222 is provided with a second flange 225 away from one side of the second mounting panel 212, and the second flange 225 is connected with the first mounting panel 211; in this way, the rigidity of the support frame 22 can be further improved, the connection strength between the support frame 22 and the mounting bracket 21 can be improved, and the force decoupling can be improved.

[0045] In some embodiments, the second bracket 30 includes a mounting portion 30a and a support portion 30b, the mounting portion 30a is used to be connected with the vehicle body beam, and the support portion 30b is used to be connected with the swing arm 40, and the swing arm 40 is arranged between the support portion 30b and the vehicle body beam, so that the swing arm 40 and the vehicle body beam can be connected together, and the stability of the swing arm 40 after installation is ensured. By adding the second bracket 30, the vehicle body beam and the swing arm can be connected together as an independent part, which can be matched with the vehicle body beam according to the structure of the swing arm, without increasing the structural complexity of the front axle welding member and reducing the manufacturing requirements of the front axle welding member.

[0046] It should be noted that after the mounting portion 30a is connected with the vehicle body beam, there is a gap between the support portion 30b and the vehicle body beam, so as to facilitate the installation and fixation of the swing arm 40.

[0047] In some embodiments, the swing arm is provided with a second bushing 42, the support portion 30b is provided with a second fastener 32, the second bushing 42 is connected with the second fastener 32, and the second fastener 32 is connected with the vehicle body beam, so that the second bracket 30 serves as an extension of the vehicle body beam, can support and fix the swing arm 40, and the separation of the second bracket 30 can reduce the structural complexity and manufacturing requirements of the vehicle body beam.

[0048] It should be noted that, as shown in Figure 3 , the swing arm mounting structure has an X direction, a Y direction and a Z direction, the support frame 22 and the support portion 30b can support the swing arm 40 and effectively decouple the Z direction force of the swing arm 40.

[0049] In some embodiments, the mounting portion 30a is provided with at least one third fastener 33, and the mounting portion 30a is connected with the vehicle body beam through the third fastener 33; in a preferred embodiment, the third fastener 33 is two, so as to ensure the firmness of the connection between the mounting portion 30a and the vehicle body beam.

[0050] In some embodiments, as shown in Figure 2 and Figure 3As shown, the swing arm 40 is subjected to a force in the X direction during use, in order to strengthen the structural strength and rigidity of the second support 30 in the X direction, the second support 30 is provided with at least one rib 31.

[0051] In some embodiments, as shown, Figure 2 and Figure 3 As shown, the swing arm 40 is also subjected to a force in the Y direction during use, in order to strengthen the structural strength and rigidity of the second support 30 in the Y direction, the side edge of the second support 30 is provided with a third flange 34.

[0052] The present embodiment can effectively improve the structural strength and rigidity of the second support 30 by providing the rib 31 and the third flange 34, so as to improve the force decoupling, and indirectly improve the rigidity of the first support 20, and simplify the structural design and process difficulty of the first support 20.

[0053] Embodiment 2

[0054] The present embodiment provides a vehicle, comprising a vehicle body and the swing arm mounting structure of embodiment 1, the vehicle body comprises a vehicle body beam, a swing arm 40 and a front axle welding assembly 10, the swing arm mounting structure is arranged at both ends of the front axle welding assembly 10 and connected with the vehicle body beam, and the swing arm 40 is mounted on the first support 20 and the second support 30.

[0055] In summary, the swing arm mounting structure and the vehicle provided by the present application can effectively decouple the forces of the swing arm 30 in the X direction, the Y direction and the Z direction by arranging the first support 20 and the second support 30 to be connected with the beam respectively and relatively independent, and taking the support frame 22 of the first support 20 and the support part 30b of the second support 30 as swing arm mounting points, which can avoid the defects of insufficient dynamic stiffness caused by the long structure of the existing swing arm mounting point, reduce the complexity of the structure of the front axle assembly front lower swing arm mounting support and its peripheral parts, and reduce the manufacturing requirements.

[0056] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be regarded as the protection scope of the present application. The above shows and describes the basic principles, main features and advantages of the present application, and it is obvious for those skilled in the art that the present application is not limited to the details of the above preferred embodiments, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application.

[0057] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Furthermore, the method examples, as well as the methods described in order to implement the examples can be implemented by means of at least one computer program, in particular, a computer program on a computer readable medium. The steps of the methods can be implemented as computer program steps which are executed on a computer.

Claims

1. A swing arm mounting structure for connecting a swing arm (40) and a vehicle body beam, characterized in that, include: A first bracket (20), comprising a mounting bracket (21) and a support frame (22) connected to the mounting bracket (21), the mounting bracket (21) being connected to the vehicle body beam, and the swing arm (40) being connected to the support frame (22); and The second bracket (30) includes a mounting part (30a) and a support part (30b). The mounting part (30a) is used to connect with the vehicle body beam, and the support part (30b) is used to connect with the swing arm (40). The swing arm (40) is placed between the support part (30b) and the vehicle body beam.

2. The swing arm mounting structure according to claim 1, characterized in that, The mounting bracket (21) includes a first mounting panel (211) and a second mounting panel (212), the first mounting panel (211) and the second mounting panel (212) are connected to form an "L" shaped structure, the first mounting panel (211) is connected to the vehicle body beam, the support frame (22) is mounted on the second mounting panel (212), and at least a portion of the support frame (22) is connected to the first mounting panel (211).

3. The swing arm mounting structure according to claim 2, characterized in that, The support frame (22) includes a first support plate (221) and a second support plate (222) disposed on the second mounting panel (212). One end of the first support plate (221) and the second support plate (222) extends toward the first mounting panel (211) and is connected to the first mounting panel (211). The first support plate (221) and the second support plate (222) are both provided with mounting holes (24) for fixing the swing arm (40).

4. The swing arm mounting structure according to claim 3, characterized in that, The swing arm (40) is provided with a first bushing (41), and a first fastener (23) is passed through the mounting hole (24). The first bushing (41) is connected to the first fastener (23).

5. The swing arm mounting structure according to claim 3, characterized in that, The first support plate (221) has a first flange (224) on the side away from the second mounting panel (212), and the first flange (224) is connected to the first mounting panel (211); and / or The second support plate (222) has a second flange (225) on the side away from the second mounting panel (212), and the second flange (225) is connected to the first mounting panel (211).

6. The swing arm mounting structure according to claim 1, characterized in that, The swing arm is provided with a second bushing (42), and the support part (30b) is provided with a second fastener (32). The second bushing (42) is connected to the second fastener (32).

7. The swing arm mounting structure according to claim 1, characterized in that, The mounting part (30a) is provided with at least one third fastener (33), and the mounting part (30a) is connected to the vehicle body beam through the third fastener (33).

8. The swing arm mounting structure according to claim 1, characterized in that, The second support (30) is provided with at least one protruding rib (31).

9. The swing arm mounting structure according to claim 1, characterized in that, The second bracket (30) has a third flange (34) on its side edge.

10. A vehicle, characterized in that, The vehicle includes a body and a swing arm mounting structure as described in any one of claims 1-9. The body includes a body beam, a swing arm (40), and a front axle welding assembly (10). The swing arm mounting structure is located at both ends of the front axle welding assembly (10) and connected to the body beam. The swing arm (40) is mounted on the first bracket (20) and the second bracket (30).

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