Locally-enhanced aluminum alloy steering knuckle
By using anti-detachment balls and limiting structures in aluminum alloy steering knuckles, the problem of steel sleeve detachment is solved, achieving stable fixation of the steel sleeve, ensuring vehicle safety and reducing production costs.
Patent Information
- Application Number
- CN202422666079.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The existing aluminum alloy steering knuckles have steel sleeves pressed into weak points, which pose a risk of detachment and affect vehicle driving safety.
The steel sleeve is fixed to the steering knuckle body by means of anti-detachment ball, axial limiting structure and circumferential limiting structure, and is prevented from axial displacement and circumferential rotation of the steel sleeve by inlay casting.
To ensure the steel sleeve is stable inside the steering knuckle and prevent it from falling off, thereby improving vehicle driving safety and reducing production costs.
Smart Images
Figure CN223520887U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of steering knuckle, more specifically, relate to a local reinforced aluminum alloy steering knuckle. BACKGROUND
[0002] Steering knuckle (Steering Knuckle) is also called "goat horn", is one of the important parts in automobile steering axle, can make automobile stable travel and sensitive transmission travel direction. The function of steering knuckle is to transmit and bear the load of the front of the car, support and drive the front wheel to rotate around the main pin to make the car turn. Aluminum alloy steering knuckle replaces steel steering knuckle, which can also meet the design concept of vehicle lightweight under the premise of ensuring its strength.
[0003] In order to increase the strength of the steering arm or lower arm position of the aluminum alloy steering knuckle, a steel sleeve is usually pressed in the weak position. However, since the steel sleeve is pressed in by a tool, there is a risk of falling off during vehicle driving, which affects the safety of vehicle driving. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a local reinforced aluminum alloy steering knuckle, which aims to solve the problem of the steel sleeve pressed in by a tool, which has a risk of falling off during vehicle driving, affecting the safety of vehicle driving.
[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a local reinforced aluminum alloy steering knuckle, comprising:
[0006] Steering knuckle body;
[0007] Steel sleeve, the steel sleeve is embedded in the inside of the steering knuckle body, and the two ends of the steel sleeve are located outside the steering knuckle body respectively;
[0008] Anti-falling assembly, the anti-falling assembly comprises an anti-falling sphere, an axial limiting structure and a circumferential limiting structure, the anti-falling sphere is integrally formed in the middle part of the steel sleeve, the outer diameter of the anti-falling sphere is greater than the outer diameter of the steel sleeve, the axial limiting structure is arranged on the outer wall of the anti-falling sphere and is arranged along the circumference of the steel sleeve, for limiting the axial displacement of the anti-falling sphere along the steel sleeve, and the circumferential limiting structure is arranged on the outer wall of the anti-falling sphere and is arranged along the axis of the steel sleeve, for limiting the circumferential rotation of the anti-falling sphere along the steel sleeve.
[0009] In a possible implementation manner, the center of the anti-falling sphere is located on the axis of the steel sleeve.
[0010] In a possible implementation manner, the outer diameter of the anti-falling sphere is greater than or equal to 1.5 times the outer diameter of the steel sleeve.
[0011] In a possible implementation, the axial limiting structure comprises:
[0012] A plurality of axial limiting ribs are arranged on the outer wall of the anti-off ball and along the circumference of the steel sleeve, and the plurality of axial limiting ribs are arranged in the axial direction of the steel sleeve.
[0013] In a possible implementation, the circumferential limiting structure comprises:
[0014] A plurality of first circumferential limiting grooves are arranged perpendicularly to the direction of the axial limiting rib, and the plurality of first circumferential limiting grooves are arranged on the axial limiting rib.
[0015] In a possible implementation, the circumferential limiting structure comprises:
[0016] A plurality of first circumferential limiting ribs are arranged perpendicularly to the direction of the axial limiting rib, and the plurality of first circumferential limiting ribs are arranged on the anti-off ball between adjacent axial limiting ribs.
[0017] In a possible implementation, the axial limiting structure comprises:
[0018] A plurality of axial limiting grooves are arranged on the outer wall of the anti-off ball and along the circumference of the steel sleeve, and the plurality of axial limiting grooves are arranged in the axial direction of the steel sleeve.
[0019] In a possible implementation, the circumferential limiting structure comprises:
[0020] A plurality of second circumferential limiting ribs are arranged perpendicularly to the direction of the axial limiting groove, and the plurality of second circumferential limiting ribs are arranged in the axial limiting groove.
[0021] In a possible implementation, the circumferential limiting structure comprises:
[0022] A plurality of second circumferential limiting grooves are arranged perpendicularly to the direction of the axial limiting groove, and the plurality of second circumferential limiting grooves are arranged on the anti-off ball between adjacent axial limiting grooves.
[0023] The beneficial effects of this locally reinforced aluminum alloy steering knuckle are as follows: Compared with the prior art, during the casting of the steering knuckle body, the upper and lower molds are closed to form the steering knuckle cavity. Before casting, the steel sleeve is placed inside the steering knuckle cavity. After casting, the steel sleeve is embedded in the steering knuckle body. The outer diameter of the anti-detachment ball is larger than the outer diameter of the steel sleeve, which reduces the risk of the steel sleeve coming off. Simultaneously, the anti-detachment ball is also equipped with an axial limiting structure and a circumferential limiting structure, which can respectively limit the axial displacement and circumferential rotation of the steel sleeve, thereby ensuring that the steel sleeve is stably placed inside the steering knuckle body. This locally reinforced aluminum alloy steering knuckle, by replacing tooling press-in with embedded casting, ensures the stability of the steel sleeve inside the steering knuckle through the anti-detachment ball, axial limiting structure, and circumferential limiting structure, preventing the steel sleeve from falling off during vehicle operation and ensuring vehicle safety. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0025] Figure 1 A casting schematic diagram of a locally reinforced aluminum alloy steering knuckle provided for this utility model;
[0026] Figure 2 A cross-sectional view of a locally reinforced aluminum alloy steering knuckle provided by this utility model. Figure 1 ;
[0027] Figure 3 for Figure 2 A schematic diagram of the structure of the steering knuckle body provided in the first embodiment;
[0028] Figure 4 for Figure 2 A schematic diagram of the steering knuckle body provided in the second embodiment;
[0029] Figure 5 A cross-sectional view of a locally reinforced aluminum alloy steering knuckle provided by this utility model. Figure 2 ;
[0030] Figure 6 for Figure 5 A schematic diagram of the steering knuckle body provided in the third embodiment;
[0031] Figure 7 for Figure 5 A schematic diagram of the steering knuckle body provided in the fourth embodiment.
[0032] Fig.:
[0033] 100, knuckle body; 200, steel sleeve; 300, center hole; 400, anti-dropping sphere; 410, axial limiting edge; 420, first circumferential limiting groove; 430, first circumferential limiting edge; 440, axial limiting groove; 450, second circumferential limiting edge; 460, second circumferential limiting groove; 500, upper mold of mold; 600, lower mold of mold; 700, knuckle cavity. DETAILED DESCRIPTION
[0034] In order to make the technical problems, technical schemes and beneficial effects of the utility model clearer, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0035] Unless otherwise explicitly defined, the use of terms such as "first", "second" or "third" are used to distinguish different objects, and are not used to describe a specific order.
[0036] Unless otherwise explicitly defined, for the orientation words, such as the use of the terms "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "back", "left", "right", "clockwise", "counterclockwise", "high", "low", etc. The orientation or position relationship is based on the orientation and position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as limiting the specific protection scope of the utility model.
[0037] Please refer to Figures 1 to 7 A locally reinforced aluminum alloy knuckle is described. A locally reinforced aluminum alloy knuckle, comprising a knuckle body 100, a steel sleeve 200 and an anti-dropping assembly.
[0038] The steel sleeve 200 is embedded in the interior of the knuckle body 100, and the two ends of the steel sleeve 200 are located outside the knuckle body 100; the anti-dropping assembly comprises an anti-dropping sphere 400, an axial limiting structure and a circumferential limiting structure, the anti-dropping sphere 400 is integrally formed in the middle of the steel sleeve 200, the outer diameter of the anti-dropping sphere 400 is greater than the outer diameter of the steel sleeve 200, the axial limiting structure is provided on the outer wall of the anti-dropping sphere 400 and is arranged along the circumference of the steel sleeve 200, for limiting the axial displacement of the anti-dropping sphere 400 along the steel sleeve 200, the circumferential limiting structure is provided on the outer wall of the anti-dropping sphere 400 and is arranged along the axial direction of the steel sleeve 200, for limiting the circumferential rotation of the anti-dropping sphere 400 along the steel sleeve 200.
[0039] Compared with the prior art, when the knuckle body 100 is cast, the upper die 500 and the lower die 600 are closed to form a knuckle cavity 700, the steel sleeve 200 is arranged in the knuckle cavity 700 before pouring, and the steel sleeve 200 is embedded in the knuckle body 100 after pouring is completed. The outer diameter of the anti-falling sphere 400 is greater than the outer diameter of the steel sleeve 200, so that the risk of the steel sleeve 200 falling out can be reduced. Meanwhile, the axial limiting structure and the circumferential limiting structure are arranged on the anti-falling sphere 400, so that the axial displacement and the circumferential rotation of the steel sleeve 200 can be limited respectively, and the steel sleeve 200 is stably arranged in the knuckle body 100. The knuckle provided by the utility model adopts the embedding mode instead of the tool pressing mode, the anti-falling sphere 400, the axial limiting structure and the circumferential limiting structure can ensure that the steel sleeve 200 is stable in the knuckle, and the situation that the steel sleeve 200 falls off during vehicle driving is avoided, so that the safety of vehicle driving is ensured.
[0040] Specifically, the ball center of the anti-falling sphere 400 is located on the axis of the steel sleeve 200, so that the part of the anti-falling sphere 400 protruding from the steel sleeve 200 is uniformly distributed, the stability of the steel sleeve 200 in the knuckle body 100 can be ensured, and the risk of falling off is reduced.
[0041] The outer diameter of the anti-falling sphere 400 is greater than or equal to 1.5 times the outer diameter of the steel sleeve 200.
[0042] Please refer to Figure 2 and Figure 3 In the first embodiment, the axial limiting structure includes a plurality of axial limiting edges 410, the plurality of axial limiting edges 410 are arranged on the outer wall of the anti-falling sphere 400 and are arranged along the circumference of the steel sleeve 200, and the plurality of axial limiting edges 410 are arranged at intervals along the axis of the steel sleeve 200. At this time, the circumferential limiting structure includes a plurality of first circumferential limiting grooves 420, the plurality of first circumferential limiting grooves 420 are arranged perpendicular to the direction of the axial limiting edge 410, the plurality of first circumferential limiting grooves 420 are arranged on the axial limiting edge 410, and the plurality of first circumferential limiting grooves 420 on the same axial limiting edge 410 are arranged circumferentially.
[0043] The plurality of axial limiting edges 410 are arranged on the outer wall of the anti-falling sphere 400 by welding, a plurality of first circumferential limiting grooves 420 are processed at equal intervals in the circumferential direction of the axial limiting edge 410, and the processing depth of the first circumferential limiting groove 420 reaches the outer surface of the anti-falling sphere 400. During embedding, the plurality of axial limiting edges 410 are embedded in the knuckle body 100, the axial displacement of the steel sleeve 200 is blocked, and part of the structure of the knuckle body 100 is embedded in the plurality of first circumferential limiting grooves 420, so that the circumferential rotation of the steel sleeve 200 is blocked.
[0044] Referring to Figure 2 and Figure 4 In the second embodiment, the axial limiting structure comprises a plurality of axial limiting ribs 410, which are arranged on the outer wall of the anti-falling sphere 400 and along the circumference of the steel sleeve 200, and are arranged at intervals along the axial direction of the steel sleeve 200. At this time, the circumferential limiting structure comprises a plurality of first circumferential limiting ribs 430, which are arranged perpendicularly to the direction of the axial limiting ribs 410, and are arranged on the anti-falling sphere 400 and between adjacent axial limiting ribs 410, and are arranged at intervals along the circumference.
[0045] The plurality of axial limiting ribs 410 are arranged on the outer wall of the anti-falling sphere 400 by welding, a plurality of first circumferential limiting ribs 430 are welded at intervals along the circumference between adjacent axial limiting ribs 410, and the outer surfaces of the axial limiting ribs 410 and the first circumferential limiting ribs 430 are machined to be flush. During the inlaying and casting, the plurality of axial limiting ribs 410 are embedded in the knuckle body 100 to block the axial displacement of the steel sleeve 200, and the plurality of first circumferential limiting ribs 430 are embedded in the knuckle body 100 to block the circumferential rotation of the steel sleeve 200.
[0046] Referring to Figure 5 and Figure 6 In the third embodiment, the axial limiting structure comprises a plurality of axial limiting grooves 440, which are arranged on the outer wall of the anti-falling sphere 400 and along the circumference of the steel sleeve 200, and are arranged at intervals along the axial direction of the steel sleeve 200. At this time, the circumferential limiting structure comprises a plurality of second circumferential limiting ribs 450, which are arranged perpendicularly to the direction of the axial limiting grooves 440, and are arranged in the axial limiting grooves 440, and are arranged at intervals along the circumference on the same axial limiting groove 440.
[0047] A plurality of axial limiting grooves 440 are machined on the outer wall of the anti-falling sphere 400, and a plurality of second circumferential limiting ribs 450 are then welded at intervals on the same axial limiting groove 440, and the plurality of second circumferential limiting ribs 450 are formed in the same shape as the outer surface of the anti-falling sphere 400. Of course, the axial limiting grooves 440 can also be machined at intervals and in sequence, and the second circumferential limiting ribs 450 are formed between the machining starting point and the machining ending point. During the inlaying and casting, part of the structure of the knuckle body 100 is embedded in the plurality of axial limiting grooves 440 to block the axial displacement of the steel sleeve 200, and the plurality of second circumferential limiting ribs 450 are embedded in the knuckle body 100 to block the circumferential rotation of the steel sleeve 200.
[0048] Referring to Figure 5 and Figure 7In the fourth embodiment, the axial limiting structure comprises a plurality of axial limiting grooves 440, each of which is arranged on the outer wall of the anti-falling ball 400 along the circumferential direction of the steel sleeve 200 and is spaced along the axial direction of the steel sleeve 200. At this time, the circumferential limiting structure comprises a plurality of second circumferential limiting grooves 460, each of which is arranged perpendicular to the direction of the axial limiting groove 440, and the plurality of second circumferential limiting grooves 460 are arranged between adjacent axial limiting grooves 440 on the anti-falling ball 400.
[0049] The plurality of axial limiting grooves 440 are machined on the outer wall of the anti-falling ball 400, and then the plurality of second circumferential limiting grooves 460 are machined between adjacent axial limiting grooves 440, and the bottoms of the axial limiting grooves 440 and the second circumferential limiting grooves 460 are flush. During the insert casting, part of the knuckle body 100 is embedded in the plurality of axial limiting grooves 440, which blocks the axial displacement of the steel sleeve 200, and part of the knuckle body 100 is embedded in the plurality of second circumferential limiting grooves 460, which blocks the circumferential rotation of the steel sleeve 200.
[0050] The axial limiting structure and the circumferential limiting structure given by the above four embodiments can both limit the axial displacement and the circumferential rotation of the steel sleeve 200. By insert casting the steel sleeve 200 in the knuckle body 100, the cooperation between the steel sleeve 200 and the knuckle body 100 is more closely, which avoids the risk of the steel sleeve 200 falling off, and reduces the pressing process and the production cost.
[0051] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A locally reinforced aluminum alloy knuckle, characterized by, The knuckle body (100) is provided with a steel sleeve (200) which is embedded in the interior of the knuckle body (100) and has two ends located outside the knuckle body (100); the steel sleeve (200) is provided with a anti-falling ball (400) which is integrally formed in the middle of the steel sleeve (200) and has an outer diameter greater than that of the steel sleeve (200); the anti-falling ball (400) is provided with an axial limiting structure and a circumferential limiting structure; the axial limiting structure is arranged on the outer wall of the anti-falling ball (400) and is arranged along the circumferential direction of the steel sleeve (200) to limit the axial displacement of the anti-falling ball (400) along the steel sleeve (200); the circumferential limiting structure is arranged on the outer wall of the anti-falling ball (400) and is arranged along the axial direction of the steel sleeve (200) to limit the circumferential rotation of the anti-falling ball (400) along the steel sleeve (200). The center of the anti-falling ball (400) is located on the axis of the steel sleeve (200). The outer diameter of the anti-falling ball (400) is greater than or equal to 1.5 times the outer diameter of the steel sleeve (200). The axial limiting structure comprises:
2. A locally reinforced aluminum alloy knuckle as defined in claim 1, wherein a plurality of axial limiting ribs (410) which are arranged on the outer wall of the anti-falling ball (400) and are arranged along the circumferential direction of the steel sleeve (200) to limit the axial displacement of the anti-falling ball (400) along the steel sleeve (200); the axial limiting ribs (410) are arranged along the axial direction of the steel sleeve (200).
3. A locally reinforced aluminum alloy knuckle as defined in claim 2, wherein The circumferential limiting structure comprises:
4. A locally reinforced aluminum alloy knuckle as defined in any one of claims 1-3, wherein, a plurality of first circumferential limiting grooves (420) which are arranged on the axial limiting ribs (410) and are arranged along the circumferential direction of the steel sleeve (200) to limit the circumferential rotation of the anti-falling ball (400) along the steel sleeve (200); the first circumferential limiting grooves (420) are arranged along the axial direction of the steel sleeve (200). The circumferential limiting structure comprises:
5. A locally reinforced aluminum alloy knuckle as defined in claim 4, wherein a plurality of first circumferential limiting ribs (430) which are arranged on the anti-falling ball (400) and are located between adjacent axial limiting ribs (410) to limit the circumferential rotation of the anti-falling ball (400) along the steel sleeve (200); the first circumferential limiting ribs (430) are arranged along the axial direction of the steel sleeve (200). The axial limiting structure comprises:
6. A locally reinforced aluminum alloy knuckle as defined in claim 4, wherein a plurality of axial limiting grooves (440) which are arranged on the outer wall of the anti-falling ball (400) and are arranged along the circumferential direction of the steel sleeve (200) to limit the axial displacement of the anti-falling ball (400) along the steel sleeve (200); the axial limiting grooves (440) are arranged along the axial direction of the steel sleeve (200). The circumferential limiting structure comprises:
7. A locally reinforced aluminum alloy knuckle as defined in any one of claims 1-3, wherein 8. A locally reinforced aluminum alloy knuckle as defined in claim 7, wherein A plurality of second circumferential limiting edges (450) are arranged perpendicularly to the direction of the axial limiting grooves (440), and are arranged in the axial limiting grooves (440). The second circumferential limiting edges (450) on the same axial limiting groove (440) are arranged circumferentially.
9. A locally reinforced aluminum alloy knuckle as defined in claim 7, wherein The circumferential limiting structure comprises: A plurality of second circumferential limiting grooves (460) are arranged perpendicularly to the direction of the axial limiting grooves (440), and are arranged on the anti-disengagement spherical body (400) between adjacent axial limiting grooves (440). The second circumferential limiting grooves (460) between adjacent axial limiting grooves (440) are arranged circumferentially.