Stabilizer bar and vehicle

Abstract

The utility model discloses a stabilizer bar and a vehicle. The stabilizer bar comprises two force arm rods, a torsion rod and a mounting connector, the two ends of the torsion rod are connected with one ends of the two force arm rods respectively, and the density of the force arm rods is smaller than that of the torsion rod; and the mounting joint is connected with the other end part of the force arm rod. The material of the force arm rod is replaced by the material with the density smaller than that of the torsion rod, so that the weight of the force arm rod is reduced, the weight of the whole stabilizer bar can be reduced, the weight of the whole stabilizer bar is lighter, and light weight of a vehicle is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, in particular to a stabilizer bar and a vehicle. Background Art

[0002] Vehicle lightweighting is not only related to vehicle power and fuel economy, but also affects the vehicle's handling and safety performance. With the development of electric vehicles, lightweight design has become a top priority in order to improve battery life.

[0003] In order to improve the battery life of electric vehicles, the battery pack capacity is continuously increased, and the weight of the vehicle has increased significantly. In order to ensure the handling performance, the diameter of the stabilizer bar is also increased, and the weight is getting heavier. How to reduce the weight of the stabilizer bar is one of the problems that need to be solved at present. Utility Model Content

[0004] In view of this, the utility model aims to provide a stabilizer bar, which has a lighter mass.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A stabilizer bar comprises two lever arms; a torsion bar, both ends of which are respectively connected to one end of the two lever arms, and the density of the lever arms is smaller than that of the torsion bar; and a mounting joint, which is connected to the other end of the lever arms.

[0007] According to some embodiments of the present invention, the weight of the lever arm per unit length is less than the weight of the torsion bar per unit length.

[0008] According to some embodiments of the present invention, the material of the lever arm includes at least one of carbon fiber, nylon, and a composite material.

[0009] According to some embodiments of the present utility model, the lever arm is injection molded, and at least one of the torsion bar and the mounting joint is connected to the lever arm by injection molding.

[0010] According to some embodiments of the utility model, the end of the torsion bar includes a first connection area, the first connection area is used to be connected to the lever arm, and the first connection area is provided with a first sandblasting layer; and / or the mounting joint includes a second connection area, the second connection area is used to be connected to the lever arm, and the second connection area is provided with a second sandblasting layer.

[0011] According to some embodiments of the utility model, the lever arm includes a main body and a connecting portion, the connecting portion includes a slot, wherein the end of the torsion bar is inserted into the slot; and / or the mounting joint portion is inserted into the slot.

[0012] According to some embodiments of the present invention, the main body is a solid piece.

[0013] According to some embodiments of the utility model, the torsion bar includes a first section and two second sections, the two second sections are arranged on both axial sides of the first section, the axial end of the first section is connected to one end of the second section on the corresponding side, the first section and the second section are arranged at a first set angle, and the other end of the second section is connected to the lever arm.

[0014] According to some embodiments of the present utility model, the mounting joint has a mounting hole, and the central axis direction of the mounting hole forms a second set angle with the central axis direction of the other end of the lever arm.

[0015] Compared with the prior art, the stabilizer bar described in the utility model has the following advantages: by replacing the material of the lever arm with a material with a lower density than the torsion bar, the weight of the lever arm is reduced, thereby reducing the weight of the entire stabilizer bar, making the entire stabilizer bar lighter, which is beneficial to the lightweight of the vehicle.

[0016] Another object of the present invention is to provide a vehicle, comprising a stabilizer bar according to an embodiment of the present invention.

[0017] Compared with the prior art, the advantages of the vehicle described in the present invention are the same as the advantages of the stabilizer bar in the embodiment of the present invention, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0019] Figure 1 is an overall schematic diagram of a stabilizer bar according to an embodiment of the utility model;

[0020] Figure 2 is a side view of a stabilizer bar according to an embodiment of the utility model;

[0021] Figure 3 yes Figure 2 Middle AA section;

[0022] Figure 4 yes Figure 3 A partial enlarged view of part B.

[0023] Description of reference numerals:

[0024] Stabilizer bar 100;

[0025] Arm rod 10; main body 101; connecting part 102; slot 1021;

[0026] Torsion bar 20; first connection area 201; first section 202; second section 203;

[0027] Mounting joint 30 ; second connection area 301 ; mounting hole 302 . DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0029] The following will refer to Figure 1-Figure 4 The utility model is described in detail in conjunction with the embodiments.

[0030] like Figures 1 to 4 As shown, the stabilizer bar 100 according to the embodiment of the utility model includes two lever arms 10, a torsion bar 20 and a mounting joint 30, the two end portions of the torsion bar 20 are respectively connected to one end portion of the two lever arms 10, the density of the lever arms 10 is less than the density of the torsion bar 20; the mounting joint 30 is connected to the other end portion of the lever arm 10.

[0031] It should be noted that the two ends of the stabilizer bar 100, namely the mounting joints 30, are usually connected to the vehicle shock absorber, and the torsion bar 20 in the middle of the stabilizer bar 100 is connected to the vehicle body. When the vehicle body only moves vertically, the deformation of the suspensions on both sides is the same, and the stabilizer bar 100 does not work. When the car turns, the body rolls, the suspensions on both sides jump inconsistently, the outer suspension will press against the stabilizer bar 100, and the torsion bar 20 of the stabilizer bar 100 will be twisted. The elastic force generated by the torsion bar 20 will prevent the wheel from lifting, so that the body can be kept as balanced as possible, playing a role in lateral stability.

[0032] In order to reduce the weight of the stabilizer bar 100 , the torsion bar 20 may be a hollow bar.

[0033] The density of the lever arm 10 is less than that of the torsion bar 20. For example, the density of the material of the lever arm 10 is less than that of the material of the torsion bar 20, the material of the torsion bar 20 may include aluminum alloy, spring steel or carbon steel, and the material of the lever arm 10 may include at least one of carbon fiber, nylon and composite materials, for example, the material of the lever arm 10 may be carbon fiber reinforced epoxy resin material.

[0034] More specifically, the weight per unit length of the lever arm 10 is less than the weight per unit length of the torsion bar 20. For example, the torsion bar 20 is a hollow bar, the lever arm 10 is at least partially a solid bar, the density of the material of the lever arm 10 is less than the density of the material of the torsion bar 20, and the weight per unit length of the lever arm 10 is less than the weight per unit length of the torsion bar 20.

[0035] According to the stabilizer bar 100 of the embodiment of the utility model, the weight of the lever arm bar 10 is reduced by replacing the material of the lever arm bar 10 with a material having a lower density than the torsion bar 20, thereby reducing the weight of the entire stabilizer bar 100, making the entire stabilizer bar 100 lighter, which is beneficial to the lightweight of the vehicle.

[0036] In the embodiment where the material of the lever arm 10 includes carbon fiber, the strength of the lever arm 10 is relatively high, which is conducive to reducing the weight of the stabilizer bar 100 without reducing the performance of the stabilizer bar 100. Compared with the related art, in which the entire stabilizer bar is a material part including carbon fiber, in the present invention, only the lever arm 10 is a material part including carbon fiber, and the molding difficulty is lower.

[0037] In a specific embodiment, the torsion bar 20 is a hollow bar, and the material of the lever arm 10 includes carbon fiber. Compared with the related art, in which the entire stabilizer bar 100 is a hollow bar, the stabilizer bar 100 of this specific embodiment can reduce weight by 15%.

[0038] It should be noted that the mounting joint usually includes some mounting structures such as mounting holes, etc. If the mounting joint is a material part containing carbon fiber, the mounting joint and the lever arm are integrally formed, and the mounting structure of the mounting joint is obtained by subsequent processing. Since the material part containing carbon fiber is hard, it is difficult to process the mounting structure; if the mounting structure of the mounting joint is integrally formed with the lever arm, the molding difficulty is relatively large. The mounting joint 30 in the present application is processed separately and then connected to the lever arm 10. In this way, the processing difficulty is relatively low and it is easy to implement.

[0039] According to some embodiments of the present invention, the lever arm 10 is injection molded, and at least one of the torsion bar 20 and the mounting joint 30 is injection molded and connected to the lever arm 10. That is, only the torsion bar 20 may be injection molded and connected to the lever arm 10; only the mounting joint 30 may be injection molded and connected to the lever arm 10; or both the torsion bar 20 and the mounting joint 30 may be injection molded and connected to the lever arm 10 (e.g. Figures 1 to 4 As shown). The arm rod 10 is connected with the torsion rod 20 and the mounting joint 30 by injection molding, so that the process is simple, the processing steps are fewer, the processing difficulty is low, the batch production cost is low, and the connection strength is high.

[0040] In the embodiment where the torsion bar 20 is a hollow bar and the torsion bar 20 is connected to the lever arm 10 by injection molding, the end opening of the torsion bar 20 is sealed by an end cover to reduce the possibility of the injection molding material entering the interior of the torsion bar 20 .

[0041] In other embodiments, at least one of the torsion bar 20 and the mounting joint 30 may be connected to the lever arm 10 by gluing, screwing, riveting, or the like.

[0042] According to some embodiments of the present invention, reference can be made to Figure 4 As shown, the end of the torsion bar 20 includes a first connection area 201, which is used to connect with the lever arm 10, and the first connection area 201 is provided with a first sandblasting layer. By providing the first sandblasting layer, the connection area between the end of the torsion bar 20 and the lever arm 10 can be increased, thereby increasing the connection strength.

[0043] According to some embodiments of the present invention, reference can be made to Figure 4 As shown, the mounting joint 30 includes a second connection area 301, which is used to connect with the lever arm 10, and the second connection area 301 is provided with a second sandblasting layer. By providing the second sandblasting layer, the connection area between the end of the mounting joint 30 and the lever arm 10 can be increased, thereby increasing the connection strength.

[0044] According to some embodiments of the present invention, reference can be made to Figure 4 As shown, the lever arm 10 includes a main body 101 and a connecting portion 102, wherein the connecting portion 102 includes a slot 1021, wherein the end of the torsion bar 20 is inserted into the slot 1021. In other words, the circumferential side wall of the end of the torsion bar 20 is connected to the inner side wall of the slot 1021, so that the connection area between the torsion bar 20 and the lever arm 10 is larger, and the connection between the torsion bar 20 and the lever arm 10 can better resist radial force or torsional force, and the connection is more stable.

[0045] According to some embodiments of the present invention, reference can be made to Figure 4 As shown, the lever arm 10 includes a main body 101 and a connecting portion 102, the connecting portion 102 includes a slot 1021, and the mounting joint 30 is partially inserted into the slot 1021. In other words, the circumferential side wall of part of the mounting joint 30 is connected to the inner side wall of the slot 1021, so that the connection area between the mounting joint 30 and the lever arm 10 is larger, and the connection between the mounting joint 30 and the lever arm 10 can better resist radial force or torsional force, and the connection is more stable.

[0046] In some embodiments, the outer diameter of the connecting portion 102 is greater than the outer diameter of the main body 101 , which is helpful to further reduce the weight of the lever arm 10 .

[0047] According to some embodiments of the present invention, reference can be made to Figure 3 and Figure 4 As shown, the main body 101 is a solid piece to reduce the difficulty of injection molding of the lever arm 10 , and the structural strength of each part of the main body 101 which is a solid piece is relatively uniform.

[0048] In other embodiments, the main body 101 may be a hollow member to further reduce the weight of the lever arm 10 , thereby reducing the weight of the stabilizer bar 100 .

[0049] According to some embodiments of the present invention, reference can be made to Figure 1 As shown, the torsion bar 20 includes a first section 202 and two second sections 203, the two second sections 203 are arranged on both axial sides of the first section 202, the axial end of the first section 202 is connected to one end of the second section 203 on the corresponding side, the first section 202 and the second section 203 are arranged at a first set angle, and the other end of the second section 203 is connected to the lever arm 10. Here, the first set angle can be 90 degrees, or 100 degrees, 110 degrees, 120 degrees, etc., and is not specifically limited here. It should be noted that in the above embodiment, when the torsion bar 20 is twisted, it is mainly the first section 202 that is twisted, and the second section 203 of the torsion bar 20 is connected to the lever arm 10, so that the connection between the lever arm 10 and the second section 203 does not need to bear or only needs to bear a small torsional force, so that the connection between the lever arm 10 and the torsion bar 20 is not easy to break or damage.

[0050] In other embodiments, the lever arm 10 may also include a third section and a fourth section, one end of the third section is connected to one end of the fourth section, the other end of the third section is connected to the torsion bar 20, the other end of the fourth section is connected to the mounting joint 30, the third section and the fourth section are arranged at a first set angle, the extension direction of the torsion bar 20 is the same as the extension direction of the third section, which should also be within the protection scope of the present utility model. In this way, the weight reduction effect is better.

[0051] According to some embodiments of the present invention, Figure 2 and Figure 4 As shown, the mounting joint 30 has a mounting hole 302, and the central axis direction of the mounting hole 302 forms a second set angle with the central axis direction of the other end of the lever arm 10. For example, the second set angle is 90 degrees, 80 degrees, 100 degrees, etc., which can be set according to needs. The mounting joint 30 is connected to the connecting rod through the mounting hole 302, and the connecting rod is connected to the vehicle shock absorber.

[0052] A specific example is given below to illustrate the stabilizer bar 100 of the present invention.

[0053] like Figures 1 to 4 As shown, the stabilizer bar 100 of this specific example includes two moment arms 10 , a torsion bar 20 and a mounting joint 30 .

[0054] The two ends of the torsion bar 20 are respectively connected to one end of the two lever arms 10, and the torsion bar 20 includes a first section 202 and two second sections 203. The two ends of the first section 202 are respectively connected to one end of the two second sections 203. The first section 202 and the second section 203 are arranged at a first set angle, and the other end of the second section 203 is connected to the lever arm 10. The torsion bar 20 is made of spring steel and is a hollow bar.

[0055] The lever arm 10 includes a main body 101 and a connecting part 102, the connecting part 102 includes a slot 1021, the end of the torsion bar 20 is inserted into the slot 1021; the mounting joint 30 is partially inserted into the slot 1021; the main body 101 is a solid rod, and the material of the lever arm 10 includes carbon fiber reinforced epoxy resin material.

[0056] The mounting joint 30 is connected to the other end of the lever arm 10 . The mounting joint 30 has a mounting hole 302 . The mounting joint 30 is made of spring steel.

[0057] The lever arm 10 is injection molded, and the torsion bar 20 and the mounting joint 30 are both injection molded and connected to the lever arm 10. The end of the torsion bar 20 includes a first connection area 201, the first connection area 201 is used to connect to the lever arm 10, and the first connection area 201 is provided with a first sandblasting layer; the mounting joint 30 includes a second connection area 301, the second connection area 301 is used to connect to the lever arm 10, and the second connection area 301 is provided with a second sandblasting layer.

[0058] The functions of the functional components in the stabilizer bar 100 of this specific example are the same as the corresponding functional components described above, and are not described in detail here.

[0059] The stabilizer bar 100 of this specific example reduces the weight of the lever arm 10 by replacing the material of the lever arm 10 with a material including carbon fiber, thereby reducing the weight of the entire stabilizer bar 100, making the entire stabilizer bar 100 lighter, which is beneficial to the lightweight of the vehicle; and the structural strength of the lever arm 10 is higher, the performance of the stabilizer bar 100 is guaranteed, and the processing difficulty of the entire stabilizer bar 100 is also relatively small.

[0060] Another object of the present invention is to provide a vehicle, comprising the stabilizer bar 100 according to the embodiment of the present invention.

[0061] Compared with the prior art, the advantages of the vehicle of the present invention are the same as those of the stabilizer bar 100 of the embodiment of the present invention, which will not be described in detail here.

[0062] "Vehicle" or "vehicle-like" or other similar terms generally include motor vehicles, including, for example, sport utility vehicles (SUVs), hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (e.g., fuels derived from non-fossil energy sources). A hybrid vehicle is a vehicle that has two or more sources of power, such as both gasoline-powered and electric-powered vehicles.

[0063] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0064] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0065] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" 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 utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stabilizer bar, characterized in that: include: Two lever arms (10); A torsion bar (20), wherein both ends of the torsion bar (20) are respectively connected to one end of the two force arm bars (10), and the density of the force arm bars (10) is less than the density of the torsion bar (20); A mounting joint (30) is connected to the other end of the lever arm (10).

2. The stabilizer bar according to claim 1, characterized in that The weight of the force arm (10) per unit length is less than the weight of the torsion bar (20) per unit length.

3. The stabilizer bar according to claim 1, characterized in that: The material of the lever arm (10) includes at least one of carbon fiber, nylon and composite materials.

4. The stabilizer bar according to claim 1, characterized in that: The lever arm (10) is injection-molded, and at least one of the torsion bar (20) and the mounting joint (30) is injection-moldedly connected to the lever arm (10).

5. The stabilizer bar according to claim 1, characterized in that: The end of the torsion bar (20) comprises a first connection area (201), the first connection area (201) is used to be connected to the lever arm (10), and the first connection area (201) is provided with a first sandblasting layer; and / or the mounting joint (30) comprises a second connection area (301), the second connection area (301) is used to be connected to the lever arm (10), and the second connection area (301) is provided with a second sandblasting layer.

6. The stabilizer bar according to claim 1, characterized in that: The lever arm (10) comprises a main body (101) and a connecting portion (102), wherein the connecting portion (102) comprises a slot (1021), wherein an end portion of the torsion bar (20) is inserted into the slot (1021); and / or a portion of the mounting joint (30) is inserted into the slot (1021).

7. The stabilizer bar according to claim 6, characterized in that The main body (101) is a solid piece.

8. The stabilizer bar according to any one of claims 1 to 7, characterized in that: The torsion bar (20) comprises a first section (202) and two second sections (203), the two second sections (203) being arranged on both axial sides of the first section (202), the axial end of the first section (202) being connected to one end of the second section (203) on the corresponding side, the first section (202) and the second section (203) being arranged at a first set angle, and the other end of the second section (203) being connected to the lever arm (10).

9. The stabilizer bar according to claim 1, characterized in that The mounting joint (30) has a mounting hole (302), and the central axis direction of the mounting hole (302) forms a second set angle with the central axis direction of the other end of the lever arm (10).

10. A vehicle, characterized in that: It comprises a stabilizing bar (100) according to any one of claims 1-9.

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