Damping module
By designing an adjustable damping module on the steering wheel, the problem of poor vibration frequency reduction in existing dampers has been solved, achieving flexible vibration frequency adjustment and improved driver comfort.
Patent Information
- Application Number
- CN202520794366.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Existing dampers have limited effectiveness in reducing steering wheel vibration frequency and are difficult to adapt to different vibration reduction requirements.
Design a damping module including a first adjustment structure, a second adjustment structure and a third adjustment structure arranged circumferentially along a through hole, constructed as a material missing part to reduce the stiffness of the damping module, specifically a small hole, groove or notch, for absorbing steering wheel vibration.
By adjusting the structural design, the vibration frequency of the steering wheel can be effectively reduced, improving driver comfort and adapting to different vibration reduction requirements.
Smart Images
Figure CN223934794U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to accessories for vehicle steering wheels, specifically, to a damping module for vehicle steering wheels. Background Technology
[0002] The vehicle is equipped with a steering wheel to move the wheels left and right, thereby changing the vehicle's direction of travel. The steering wheel consists of a center hub, a ring rim, and spokes connecting the two; the driver grips the ring rim to control the vehicle. At high speeds or when idling, vertical or lateral vibrations are transmitted to the steering wheel. These vibrations are then transmitted to the driver through their hands, thus reducing driving comfort.
[0003] Steering wheels are typically equipped with dampers to absorb vibrations and reduce their frequency, thus addressing steering wheel vibration issues. However, existing dampers have limited effectiveness in reducing steering wheel vibration frequency and are difficult to adapt to different vibration reduction requirements.
[0004] Therefore, it is desirable to provide a damping module that can flexibly reduce the vibration frequency of the steering wheel. Utility Model Content
[0005] The purpose of this invention is to provide a damping module that can flexibly reduce the vibration frequency of the steering wheel.
[0006] This invention provides a damping module for a steering wheel and includes a through hole through which a positioning post of an airbag module passes.
[0007] in,
[0008] The damping module includes a first adjustment structure, a second adjustment structure, and a third adjustment structure arranged circumferentially along the through hole.
[0009] The first adjustment structure is disposed at the first end of the damping module, and the second and third adjustment structures are disposed at the second end of the damping module, wherein the first end and the second end are axially opposite to each other in the through hole and connected together via an intermediate section, and,
[0010] The first adjustment structure, the second adjustment structure, and the third adjustment structure are configured as material missing parts.
[0011] According to an embodiment of the present invention, when projected along the axial direction, the projected areas of the first end and the second end are both greater than the projected area of the middle section, and both the first adjustment structure and the second adjustment structure are positioned outside the middle section.
[0012] According to an embodiment of the present invention, the second end includes a first end face and a second end face, and the second adjustment structure and the third adjustment structure are respectively disposed on the first end face and the second end face.
[0013] According to an embodiment of the present invention, the first adjustment structure includes a plurality of small holes spaced circumferentially on the end face of the first end, and the axis of the small holes is parallel to the axis of the through hole.
[0014] According to an embodiment of the present invention, the first adjustment structure includes a plurality of notches spaced apart along the circumferential direction, and the notches extend inward from the circumferential side of the first end by a predetermined distance and penetrate the first end in the axial direction.
[0015] According to an embodiment of the present invention, the second adjustment structure and the third adjustment structure are constructed as grooves.
[0016] According to an embodiment of the present invention, the second adjustment structure and the third adjustment structure are configured to be staggered along the circumferential direction.
[0017] According to an embodiment of the present invention, the second adjustment structure and the third adjustment structure are constructed as trapezoidal grooves.
[0018] And / or,
[0019] The third adjustment structure is positioned on the outside of the middle section.
[0020] According to an embodiment of the present invention, a plurality of second adjustment structures are arranged at circumferential intervals, and a plurality of third adjustment structures are arranged at circumferential intervals, wherein the number of second adjustment structures and third adjustment structures is the same.
[0021] According to an embodiment of the present invention, when projecting along the axial direction, the projected area of the first end is greater than the projected area of the second end. Attached Figure Description
[0022] The features, advantages, and technical effects of exemplary embodiments of the present invention will now be described with reference to the accompanying drawings. In the drawings, the same symbols denote the same elements, wherein:
[0023] Figures 1 to 3 A damping module according to a first embodiment of the present invention is schematically shown.
[0024] Figures 4 to 6 A damping module according to a second embodiment of the present invention is schematically shown.
[0025] Figures 7 to 8A damping module according to a third embodiment of the present invention is schematically shown. Detailed Implementation
[0026] The following describes specific embodiments of the damping module according to the present invention with reference to the accompanying drawings. The detailed description and drawings below are provided to exemplify the principles of the present invention. The present invention is not limited to the described preferred embodiments. The various embodiments described in the present invention can be used individually or in any combination. The scope of protection of the present invention is defined by the claims.
[0027] Furthermore, spatially related terms (such as "up," "down," "left," and "right") are used to describe the relative positional relationship between elements shown in the accompanying drawings and other elements. Therefore, spatially related terms can be applied to directions different from those shown in the accompanying drawings. Clearly, while all these spatially related terms refer to the directions shown in the accompanying drawings for ease of explanation, those skilled in the art will understand that directions different from those shown in the accompanying drawings can be used.
[0028] Figures 1 to 3 A damping module according to a first embodiment of the present invention is schematically shown. Reference is made below. Figures 1 to 3 Describes a damping module according to a first embodiment of the present invention.
[0029] like Figures 1 to 3 As shown, this utility model provides a damping module 1 for a steering wheel (not shown) to absorb vibrations on the steering wheel and improve driver comfort. To this end, the damping module 1 includes a through hole 10 through which a positioning post of the airbag module passes. Specifically, the through hole 10 can be a circular hole extending along the length of the damping module 1 and penetrating its entire length. After passing through the through hole 10, the positioning post of the airbag module is connected to the steering wheel frame, allowing steering wheel vibrations to be transmitted to the damping module 1 via the airbag module, where they are absorbed, thereby reducing the steering wheel vibration frequency.
[0030] As shown in the figure, the damping module 1 is generally cylindrical and includes two ends and a middle section connecting these two ends, namely, a first end 10A, a second end 10B, and a middle section 10C connecting the first end 10A and the second end 10B. The first end 10A and the second end 10B are opposite each other in the axial direction of the damping module 1. Moreover, the first end 10A and the second end 10B are constructed in the form of flanges, that is, when projected along the axial direction of the damping module 1, the projected areas of the first end 10A and the second end 10B are both larger than the projected area of the middle section 10C. Figure 1 As shown, the first end 10A has a complete annular structure, and, as Figure 2As shown, the second end 10B also has a complete annular structure. Furthermore, the damping module 1 of the present invention also includes a first adjustment structure 11, a second adjustment structure 12, and a third adjustment structure 13. It can be understood that the damping module 1 having a flanged first end 10A and a flanged second end 10B provides sufficient arrangement space for the first adjustment structure 11, the second adjustment structure 12, and the third adjustment structure 13, which will be described in detail below. This will be described in detail below.
[0031] The first adjustment structure 11, the second adjustment structure 12, and the third adjustment structure 13 are all constructed as material-deficient portions and are arranged circumferentially around the through hole 10, that is, around the through hole 10. In the first embodiment of this utility model, as... Figures 1 to 3 As shown, the first adjustment structure 11 is constructed in the form of a plurality of small holes arranged around the through hole 10 and spaced circumferentially on the end face of the first end 10A. As an example, these small holes are evenly spaced from each other on the end face of the first end 10A. Of course, this is merely an example; the form of the first adjustment structure is not limited to small holes and can also be configured in other forms or combinations thereof. Figure 1 and Figure 2 As shown, these small holes are located on the outer side of the middle section 10C, that is, on the outer side of the outer peripheral surface of the middle section 10C. Furthermore, the axis of each of these small holes is parallel to the axis of the through hole 10. It can be understood that when assembled into a vehicle, the steering wheel is typically positioned in a plane inclined relative to the bottom plane of the vehicle; similarly, when the damping module 1 is mounted on the steering wheel, it will also be positioned in a plane inclined relative to the bottom plane of the vehicle.
[0032] The second adjustment structure 12 and the third adjustment structure 13 will be described next. For example... Figures 1 to 3 As shown, both the second adjustment structure 12 and the third adjustment structure 13 are disposed at the second end 10B. The second end 10B includes a first end face and a second end face. For ease of description, the second end face is defined as the bottom face. The first end face and the second end face are axially opposite each other in the damping module 1, thus being closer to the first end 10A. Specifically, the second adjustment structure 12 is disposed on the first end face of the second end 10B, and the third adjustment structure 13 is disposed on the second end face of the second end 10B. Similar to the first adjustment structure 11, the second adjustment structure 12 is also positioned on the outside of the intermediate segment 10C, that is, the second adjustment structure 12 is located on the outside of the outer peripheral surface of the intermediate segment 10C. However, unlike the first adjustment structure 11, a portion of the third adjustment structure 13 is positioned on the outside of the intermediate segment 10C, that is, a portion of the third adjustment structure 13 is located on the outside of the outer peripheral surface of the intermediate segment 10C, particularly as shown in the diagram. Figure 2As shown, another part of the third adjustment structure 13 will extend to the inner circumferential surface of the middle section 10C.
[0033] In one example, such as Figure 2 and Figure 3 As shown, both the second adjustment structure 12 and the third adjustment structure 13 can be constructed as grooves. The groove-shaped second adjustment structure 12 extends from a certain distance from the outer peripheral surface of the second end 10B to the outer peripheral surface of the intermediate segment 10C. The depth of this groove is less than the thickness of the second end 10B; that is, the groove extends a predetermined distance from the first end face of the second end 10B but does not extend to the bottom surface of the second end 10B. In other words, the groove-shaped second adjustment structure 12 does not penetrate through the thickness direction of the second end 10B. Similarly, the groove-shaped third adjustment structure 13 extends from a certain distance from the outer peripheral surface of the second end 10B to the outer peripheral surface of the intermediate segment 10C. This groove is also a certain distance from the first end face of the second end 10B, meaning it does not penetrate through the thickness direction of the second end 10B. Of course, this is merely an example; the second and third adjustment structures can also be configured in other forms.
[0034] It is understandable that the first adjustment structure is mainly used to reduce the stiffness of the damping module in the radial direction, and the second and third adjustment structures are mainly used to reduce the stiffness of the damping module in both the radial and axial directions.
[0035] According to one embodiment of the present invention, the second adjustment structure 12 and the third adjustment structure 13 are configured to be staggered along the circumferential direction. It is understood that this staggered arrangement of the adjustment structures increases the number of adjustment structures arranged circumferentially, which is beneficial for further reducing the vibration frequency of the steering wheel.
[0036] As one embodiment of this utility model, both the second adjustment structure 12 and the third adjustment structure 13 can be constructed as trapezoidal grooves. For example... Figure 2 and Figure 3As shown, specifically, the trapezoidal groove is arranged such that its longer lower base is positioned away from the middle section 10C, and its shorter upper base is positioned closer to the middle section 10C. It can be understood that in this trapezoidal groove form of the second and third adjustment mechanisms, since the groove narrows near the middle section, the damping module as a whole is ensured to have appropriate stiffness. Furthermore, the thickness of the second end 10B can be set to increase radially inward; that is, the thickness of the second end 10B is minimum at the outer periphery and maximum at the inner periphery, which similarly ensures that the damping module as a whole has appropriate stiffness. In the embodiments according to this invention, multiple trapezoidal groove form of the second adjustment structure 12 can be provided, spaced circumferentially along the through hole 10, and multiple trapezoidal groove form of the third adjustment structure 13 can also be provided, spaced circumferentially along the through hole 10. The number of the second adjustment structures 12 and the third adjustment structures 13 can be the same, which helps to reduce design and manufacturing costs.
[0037] It should be noted that the number and / or size of the second and third adjustment structures can be adjusted as needed to meet different vibration reduction requirements.
[0038] Figures 4 to 6 A damping module according to a second embodiment of the present invention is schematically shown. Reference is made below. Figures 4 to 6 This section describes a damping module according to a second embodiment of the present invention. It should be noted that the following mainly describes the differences between the second embodiment and the first embodiment; similarities will not be described to avoid redundancy.
[0039] like Figures 4 to 6 As shown, in the second embodiment of this utility model, the first adjusting structure 11 is configured with a plurality of notches spaced apart circumferentially, and the notches extend inwardly from the circumferential side of the first end 10A by a predetermined distance and converge at a certain distance from the outer circumferential surface of the intermediate segment 10C, and the notches penetrate the first end 10A axially, that is, the depth of the notches is the same as the thickness of the first end 10A. In one example, the notches are configured as U-shaped notches, and the plurality of notches are arranged around the through hole 10 and spaced apart circumferentially on the end face of the first end 10A. As an example, these U-shaped notches are evenly spaced apart from each other on the end face of the first end 10A. Figure 4 and Figure 5 As shown, these notches are located on the outer side of the middle section 10C, that is, on the outer side of the outer peripheral surface of the middle section 10C. Furthermore, the second adjustment structure 12 and the third adjustment structure 13 are disposed on the second end 10B, which is the same as in the first embodiment, and therefore will not be described again.
[0040] Similarly, it can be understood that the first adjustment structure is mainly used to reduce the stiffness of the damping module in the radial direction, and the second and third adjustment structures are mainly used to reduce the stiffness of the damping module in both the radial and axial directions. Furthermore, the number and / or dimensions of the second and third adjustment structures can be adjusted as needed to meet different vibration reduction requirements.
[0041] Figures 7 to 8 A damping module according to a third embodiment of the present invention is schematically shown. Reference is made below. Figures 7 to 8 This section describes a damping module according to a third embodiment of the present invention. It should be noted that the following description mainly focuses on the differences between the third embodiment and the first embodiment; similarities will not be described to avoid redundancy.
[0042] like Figures 7 to 8 As shown, in the third embodiment of this utility model, the first adjusting structure 11 is configured with a plurality of notches spaced apart circumferentially, and the notches extend inwardly from the circumferential side of the first end 10A by a predetermined distance and converge at a certain distance from the outer circumferential surface of the intermediate segment 10C, and the notches penetrate the first end 10A axially, that is, the depth of the notches is the same as the thickness of the first end 10A. In one example, the notches are configured as U-shaped notches, and the plurality of notches are arranged around the through hole 10 and spaced apart circumferentially on the end face of the first end 10A. As an example, these U-shaped notches are evenly spaced apart from each other on the end face of the first end 10A. Figure 4 and Figure 5 As shown, these notches are located on the outside of the middle section 10C, that is, on the outside of the outer periphery of the middle section 10C.
[0043] In addition, such as Figure 8 As shown, a third adjustment structure 13 is also provided at the first end 10A. That is, in the third embodiment, two flanges are provided at the first end 10A. One flange is entirely located on the outer side of the middle section 10C and is defined as the outer flange, and the other flange is entirely located on the inner side of the middle section 10C and is defined as the inner flange. Moreover, the aforementioned first adjustment structure 11 is provided on the outer flange, and the third adjustment structure 13 is provided on the inner flange. In one example, as... Figure 8As shown, the third adjustment structure 13 located at the first end 10A can be constructed as a trapezoidal groove. Specifically, the trapezoidal groove is arranged such that its longer lower base is positioned near the middle section 10C, and its shorter upper base is positioned away from the middle section 10C. In particular, the third adjustment structure in the form of a trapezoidal groove is formed by marking predetermined spaced portions on a sheet-like inner flange, and stamping these predetermined portions to form a plurality of trapezoidal grooves, such that the edge of the inner flange has a wavy profile.
[0044] Furthermore, a second adjustment structure 12 and a third adjustment structure 13 are also provided on the second end 10B, which are the same as in the first embodiment, and therefore will not be described again.
[0045] Similarly, it can be understood that the first adjustment structure is mainly used to reduce the stiffness of the damping module in the radial direction, and the second and third adjustment structures are mainly used to reduce the stiffness of the damping module in both the radial and axial directions. Furthermore, the number and / or dimensions of the second and third adjustment structures can be adjusted as needed to meet different vibration reduction requirements.
[0046] As mentioned above, although exemplary embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the specific embodiments described above, and the scope of protection of the present invention should be defined by the claims and their equivalents.
Claims
1. A damping module (1) for a steering wheel and including a through hole (10) through which a positioning post of an airbag module passes. Its features are, The damping module (1) includes a first adjustment structure (11), a second adjustment structure (12), and a third adjustment structure (13) arranged circumferentially along the through hole (10). The first adjustment structure (11) is disposed at the first end (10A) of the damping module (1), and the second adjustment structure (12) and the third adjustment structure (13) are disposed at the second end (10B) of the damping module (1). The first end (10A) and the second end (10B) are axially opposite to each other in the through hole (10) and connected together via an intermediate section (10C). The first adjustment structure (11), the second adjustment structure (12) and the third adjustment structure (13) are configured as material missing parts.
2. The damping module (1) according to claim 1, wherein, When projected along the axis, the projected areas of the first end (10A) and the second end (10B) are both larger than the projected area of the middle section (10C), and both the first adjustment structure (11) and the second adjustment structure (12) are positioned outside the middle section (10C).
3. The damping module (1) according to claim 2, wherein, The second end (10B) includes a first end face and a second end face, and the second adjustment structure (12) and the third adjustment structure (13) are respectively disposed on the first end face and the second end face.
4. The damping module (1) according to claim 2, wherein, The first adjustment structure (11) includes a plurality of small holes spaced circumferentially on the end face of the first end (10A), and the axis of the small holes is parallel to the axis of the through hole (10).
5. The damping module (1) according to claim 2, wherein, The first adjustment structure (11) includes a plurality of notches spaced apart along the circumferential direction, and the notches extend inward from the circumferential side of the first end (10A) by a predetermined distance and penetrate the first end (10A) in the axial direction.
6. The damping module (1) according to claim 3, wherein, The second adjustment structure (12) and the third adjustment structure (13) are constructed as grooves.
7. The damping module (1) according to claim 6, wherein, The second adjustment structure (12) and the third adjustment structure (13) are configured to be staggered along the circumferential direction.
8. The damping module (1) according to claim 7, wherein, The second adjustment structure (12) and the third adjustment structure (13) are constructed as trapezoidal grooves. And / or, The third adjustment structure (13) is positioned on the outside of the middle section (10C).
9. The damping module (1) according to claim 8, wherein, A plurality of the second adjustment structures (12) are arranged at circumferential intervals, and a plurality of the third adjustment structures (13) are arranged at circumferential intervals, and the number of the second adjustment structures (12) and the third adjustment structures (13) is set to be the same.
10. The damping module (1) according to claim 2, wherein, When projected along the axis, the projected area of the first end (10A) is greater than the projected area of the second end (10B).