CN220410695U - Lightweight steering knuckle capable of solving steering abnormal sound - Google Patents
Lightweight steering knuckle capable of solving steering abnormal sound Download PDFInfo
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- CN220410695U CN220410695U CN202322101986.9U CN202322101986U CN220410695U CN 220410695 U CN220410695 U CN 220410695U CN 202322101986 U CN202322101986 U CN 202322101986U CN 220410695 U CN220410695 U CN 220410695U
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- 230000002159 abnormal effect Effects 0.000 title claims abstract description 27
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model relates to a lightweight steering knuckle for solving abnormal steering noise, which comprises a hub bearing and a steering knuckle, wherein the steering knuckle is provided with a flange surface connected with the hub bearing, the hub bearing is fixedly connected with the flange surface of the steering knuckle through a bolt, the flange surface of the steering knuckle around the bolt is a stress center flange surface, the edge of the flange surface of the steering knuckle, which is close to one side of the hub bearing, is provided with a concave surface, the concave surfaces are provided with a pair, the concave surfaces are arranged at the edges opposite to the flange surface of the steering knuckle, and the two ends of the concave surfaces are respectively positioned in the outer area of the stress center flange surface. The utility model provides a method for fundamentally solving the steering abnormal sound: the flange surface is obtained by removing materials or processing at a position far from the stress center, and the edge problem of the flange surface of the stress center is solved by designing areas such as a groove or a concave surface for avoiding deformation, so that the abnormal sound problem is solved.
Description
Technical Field
The utility model belongs to the technical field of steering knuckles, and relates to a lightweight steering knuckle for solving steering abnormal sound.
Background
With the rapid development of the automobile industry, especially for new energy and pure electric vehicles, people have increasingly higher requirements on automobile vibration noise control, sensory experience and comfort under the background of new and fourth-generation, electrification, networking and intellectualization and sharing automobiles.
The problem of steering abnormal sound is more and more, and the steering abnormal sound gradually becomes a main abnormal sound form. The mechanism of steering abnormal sound is that a hub bearing is connected with a steering knuckle flange surface through bolts, so that the two flange surfaces are tightly clung to be gapless, when the two flange surfaces are stressed by the axial load tensioning force of the bolts, the two flange surfaces are simultaneously stressed by the braking counter force transmitted by the ground, and the steering rod is deformed under the action of the transverse force brought by steering, and a gap (bulge) is formed at the position of the flange surface far from the stress center, so that the flange surface bulges to flap and slide, and the steering abnormal sound is generated.
How to solve the problem of knocking and beating abnormal sound caused by the protruding gap of the joint surface of the flange during steering? How to fundamentally overcome the difficulty of braking abnormal sound from the design source? The previous methods are: 1) The strength resistance deformation is improved by changing the structure, increasing the thickness and the like; 2) Coating rubber on the flange, coating resin, changing friction form, and the like. These measures either add weight or require re-molding resulting in increased costs or are not fundamentally resolved only in short term effectiveness and poor process operability. Therefore, how to fundamentally solve the abnormal noise of the braking steering has very practical pertinence and urgency.
Disclosure of Invention
Accordingly, the present utility model is directed to a lightweight knuckle for solving the problem of abnormal steering noise, and the lightweight knuckle can solve the problem of abnormal steering noise generated during low-speed braking, and meet the requirements of lightweight and generalization of the brake structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a solve lightweight knuckle that turns to abnormal sound, including wheel hub bearing and lightweight knuckle, be provided with the flange face of being connected with wheel hub bearing on the lightweight knuckle, wheel hub bearing passes through bolt fixed connection with the flange face of lightweight knuckle, the flange face of the lightweight knuckle around the bolt is the stress center flange face, the flange face of lightweight knuckle is close to wheel hub bearing's one side edge and sets up the concave surface, the concave surface is provided with a pair of, the concave surface sets up the edge that the flange face is relative at the lightweight knuckle, the both ends of concave surface are located the external region of stress center flange face respectively.
Further, through analysis, the flange surface of the original lightweight steering knuckle is protruded under the condition of braking of a real vehicle, so that a protruded gap is formed between the hub bearing and the flange surface of the lightweight steering knuckle, and the depth of the concave surface is 2-3 times greater than the protruded gap.
Further, the lightweight knuckle is made of lightweight aluminum-magnesium or aluminum alloy or aluminum-magnesium alloy with lower strength and easier deformation.
The utility model has the beneficial effects that:
the utility model finds the mechanism for generating the steering abnormal sound: the wheel hub bearing is connected with the flange surface of the steering knuckle through bolts, the two flange surfaces are tightly attached to each other without gaps, the brake counterforce transmitted by the ground is received when the axial load tensioning force of the bolts is received, deformation is generated under the action of the transverse force caused by steering of the steering rod, gaps (bulges) are formed at the positions, far away from the stress center, of the flange surface, and the bulges of the flange surface are flapped and slide due to deformation release, so that steering abnormal sound is generated.
The utility model provides a method for fundamentally solving the steering abnormal sound: the flange surface is obtained by removing materials or processing at a position far from the stress center, and the edge problem of the flange surface of the stress center is solved by designing areas such as a groove or a concave surface for avoiding deformation, so that the abnormal sound problem is solved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a schematic junction diagram at a knuckle;
fig. 3 is a schematic view at the force-bearing center flange face of a lightweight knuckle.
Reference numerals:
1. a hub bearing; 2. lightweight knuckle; 201. a concave surface; 3. a bolt; r, a stress center flange surface.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 3, a lightweight knuckle for solving abnormal steering noise includes a hub bearing 1 and a lightweight knuckle 2, wherein the lightweight knuckle 2 is provided with a flange surface connected with the hub bearing 1, and the hub bearing 1 is fixedly connected with the flange surface of the lightweight knuckle 2 through bolts. The lightweight knuckle 2 is made of lightweight aluminum-magnesium or aluminum alloy or aluminum-magnesium alloy with lower strength and easier deformation.
The method is characterized in that the flange face of the lightweight knuckle 2 is analyzed to generate deformation when the flange face of the lightweight knuckle 2 is subjected to stress and deformation under the condition of braking of a simulation analysis real vehicle, the mechanism of finding out steering abnormal noise is that the flange face of the lightweight knuckle 2 around a bolt 3 is a stress center flange face R through analysis, the stress center flange face R deforms to form a bulge, a bulge gap t is formed between a hub bearing 1 and the flange face of the lightweight knuckle 2, and after the bulge is formed, the flange face of the lightweight knuckle 2 is caused to bulge and flap and slide to generate steering abnormal noise.
The flange surface of the lightweight knuckle 2 is provided with a pair of concave surfaces 201 near the edge of one side of the hub bearing 1, the concave surfaces 201 are provided with a pair of concave surfaces 201, the concave surfaces 201 are arranged at the opposite edges of the flange surface of the lightweight knuckle 2, the concave surfaces 201 are arranged on the flange surface of the lightweight knuckle 2 between an upper bolt and a lower bolt, and the starting point of the concave surfaces 201 is ensured to be positioned on the periphery of the stress center flange surface R, namely, the starting point of the concave surfaces 201 is ensured to avoid the deformation area of the stress center flange surface R. The concave surface 201 is configured to avoid the edge shape of the flange surface of the lightweight knuckle 2. The depth of the concave surface 201 needs to satisfy more than 2-3 times the convex gap t.
The concave surface 201 is formed by removing a material by casting, forging, calendaring, or the like, or machining, or the like.
According to the utility model, at least at the outer part of the flange surface R larger than the stress center of the bolt, through methods such as material removal or processing, areas such as a groove or a concave surface 201 avoiding deformation of the bulge are designed, the depth of the groove or the concave surface 201 is larger than the deformation clearance, and steering abnormal sound is avoided. The weight is reduced, the steering abnormal noise is avoided, a large amount of development period cost is saved, and the comfort of the whole vehicle is improved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (3)
1. The utility model provides a solve lightweight knuckle that turns to abnormal sound which characterized in that: including hub bearing (1) and lightweight knuckle (2), be provided with the flange face of being connected with hub bearing (1) on the lightweight knuckle (2), the flange face of hub bearing (1) and lightweight knuckle (2) passes through bolt (3) fixed connection, the flange face of lightweight knuckle (2) around bolt (3) is atress central flange face (R), the flange face of lightweight knuckle (2) is close to one side edge of hub bearing (1) and sets up concave surface (201), concave surface (201) are provided with a pair of, concave surface (201) set up the edge that the flange face is relative at lightweight knuckle (2), the both ends of concave surface (201) are located the external region of atress central flange face (R) respectively.
2. The lightweight knuckle for solving steering noise as defined in claim 1, wherein: through analysis, the flange surface of the original lightweight steering knuckle (2) is protruded under the condition of braking of a real vehicle, so that a protrusion gap (t) is formed between the hub bearing (1) and the flange surface of the lightweight steering knuckle (2), and the depth of the concave surface (201) is 2-3 times greater than the protrusion gap (t).
3. The lightweight knuckle for solving steering noise as defined in claim 1, wherein: the lightweight knuckle (2) is made of lightweight aluminum magnesium or aluminum alloy or aluminum magnesium alloy with lower strength and easier deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101986.9U CN220410695U (en) | 2023-08-04 | 2023-08-04 | Lightweight steering knuckle capable of solving steering abnormal sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101986.9U CN220410695U (en) | 2023-08-04 | 2023-08-04 | Lightweight steering knuckle capable of solving steering abnormal sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220410695U true CN220410695U (en) | 2024-01-30 |
Family
ID=89642254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322101986.9U Active CN220410695U (en) | 2023-08-04 | 2023-08-04 | Lightweight steering knuckle capable of solving steering abnormal sound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220410695U (en) |
-
2023
- 2023-08-04 CN CN202322101986.9U patent/CN220410695U/en active Active
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