CN217496251U - Motor vehicle aluminum alloy double-fork-arm steering knuckle with weight reducing pit - Google Patents
Motor vehicle aluminum alloy double-fork-arm steering knuckle with weight reducing pit Download PDFInfo
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- CN217496251U CN217496251U CN202221626243.2U CN202221626243U CN217496251U CN 217496251 U CN217496251 U CN 217496251U CN 202221626243 U CN202221626243 U CN 202221626243U CN 217496251 U CN217496251 U CN 217496251U
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Abstract
The motor vehicle aluminum alloy double-fork-arm steering knuckle with the weight reducing pits comprises a flange plate, a brake caliper bolt hole and ball pin mounting holes, wherein the ball pin mounting holes comprise an upper control arm ball pin mounting hole, a steering arm ball pin mounting hole, a lower front control arm ball pin mounting hole and a lower rear control arm ball pin mounting hole, the gooseneck position between the flange plate and the upper control arm ball pin mounting hole is provided with a gooseneck position weight reducing pit, the steering arm weight reducing pit is arranged between the flange plate and the steering arm ball pin mounting hole, and the lower control arm weight reducing pit is arranged between the flange plate and the lower front control arm ball pin mounting hole. The utility model discloses when having realized knuckle weight reduction, the knuckle still has excellent mechanical properties and castability.
Description
Technical Field
The utility model belongs to the technical field of the knuckle technique and specifically relates to a motor vehicle aluminum alloy double-wishbone knuckle with subtract heavy nest.
Background
Under the great trend of energy conservation and emission reduction and the rise of the electric new energy automobile market in recent years, the market demand of aluminum alloy chassis parts is more and more large, wherein the aluminum alloy steering knuckle is most widely applied. Because the aluminum alloy knuckle is light in weight, high in manufacturing precision and strong in corrosion resistance, more and more host factories select the aluminum alloy knuckle to reduce the weight of the whole automobile, so that the purposes of improving the endurance mileage of the whole automobile and the operating performance of the whole automobile are achieved.
Along with the improvement of living standard of people, people have higher and higher requirements on the performance of automobiles. For the front knuckle, there are mainly divided into a macpherson type suspension and a double wishbone type suspension. Compared with the prior art, the double-wishbone suspension has the advantages of being obvious, strong in transverse rigidity, good in anti-roll capability, strong in road feel, good in ground grabbing force, strong in control force and superior to Macpherson suspension in comfort, so that the double-wishbone suspension is inclined to a plurality of vehicle enterprises at present.
However, with the double wishbone type knuckle, weight reduction has been difficult due to the large overall structure. If the designed structure is unreasonable when the weight is reduced, the process is difficult to realize, and the rigidity is difficult to satisfy. Even resulting in the aluminum alloy knuckle failing the relevant tests.
Therefore, there is a continuing need in the art to balance weight reduction and structural performance by minimizing the weight of the knuckle while ensuring strength and stiffness of the aluminum alloy knuckle by designing appropriate weight reduction pockets for the gooseneck, the lower control arms, and the vicinity of the knuckle arms.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a motor vehicle aluminum alloy double-wishbone knuckle with subtract heavy nest, under the prerequisite of ensureing aluminum alloy knuckle intensity and rigidity, reduces the weight of knuckle as far as possible to obtain balancing between subtracting heavy and structural performance.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the motor vehicle aluminum alloy double-fork-arm steering knuckle with the weight reducing pits comprises a flange plate, a brake caliper bolt hole and ball pin mounting holes, wherein the ball pin mounting holes comprise an upper control arm ball pin mounting hole, a steering arm ball pin mounting hole, a lower front control arm ball pin mounting hole and a lower rear control arm ball pin mounting hole, the gooseneck position between the flange plate and the upper control arm ball pin mounting hole is provided with a gooseneck position weight reducing pit, the steering arm weight reducing pit is arranged between the flange plate and the steering arm ball pin mounting hole, and the lower control arm weight reducing pit is arranged between the flange plate and the lower front control arm ball pin mounting hole.
In some embodiments, the gooseneck weight reduction nest is triangular.
In some embodiments, the steering arm lightening socket is triangular.
In some embodiments, the lower control arm lightening socket is trapezoidal in shape.
In some embodiments, the flange plate comprises a flange plate mounting hole, an ABS mounting hole and a drainage groove, and the control arm lightening socket is arranged at the centers of the flange plate mounting hole at the lower part of the flange plate and the lower front control arm ball pin mounting hole and the lower rear control arm ball pin mounting hole.
Compared with the prior art, motor vehicle aluminum alloy double-fork-arm steering knuckle with weight reduction nest has the following advantages:
the utility model discloses a have near gooseneck department, lower control arm and steering arm and subtract heavy nest and gooseneck department shock attenuation nest cavity design simultaneously belongs to a novel invention design, through knuckle emulation analysis means, obtains the stress distribution parameter of product, on the basis that does not influence structural strength, rigidity and fatigue performance, reduces the regional weight of non-bearing, and the knuckle after subtracting heavy still has outstanding mechanical properties, satisfies rigidity, intensity and tired performance requirement.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic front structural view of an aluminum alloy double-wishbone steering knuckle with a weight-reducing dimple of the present invention.
Fig. 2 is a schematic back structural view of an aluminum alloy double-wishbone steering knuckle with a weight-reducing dimple of the present invention.
Description of the reference numerals
11-an upper control arm ball pin mounting hole, 12-a gooseneck weight reduction pit, 13-a flange plate, 14-a steering arm damping pit, 15-a lower front control arm ball pin mounting hole, 16-a lower rear control arm ball pin mounting hole, 17-a lower control arm weight reduction pit, 18-a brake caliper bolt hole, 19-a flange plate mounting hole, 20-a drainage groove, 21-a steering arm ball pin mounting hole and 22-an ABS mounting hole.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The technical solution of the present invention will be described more clearly and completely with reference to the accompanying drawings, in which embodiments of the invention are shown and described. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The aluminum alloy double-wishbone steering knuckle with weight-reducing dimples according to an embodiment of the present invention will now be described with reference to fig. 1-2 in conjunction with an embodiment.
A motor vehicle aluminum alloy double-fork-arm steering knuckle with weight reducing pits comprises a flange plate 13, bolt mounting holes, ball pin mounting holes and other casting areas of the steering knuckle; the Faraday disc 13 comprises a flange mounting hole 19, an ABS mounting hole 22 and a drainage groove 20, wherein the flange mounting hole 19 is a circular hole with the radius of 49mm when viewed from the front side, the ABS mounting hole 22 is positioned at the upper right of the flange and in the direction of about 45 degrees, and the drainage groove 20 is positioned right below the flange 13; the bolt mounting holes comprise flange plate bolt mounting holes and brake caliper bolt mounting holes, and the flange plate bolt mounting holes are distributed around the flange plate in an isosceles trapezoid manner, the upper side of the trapezoid is 56mm, the lower side of the trapezoid is 74mm, the waist of the trapezoid is 95mm, and the brake caliper bolt mounting holes are distributed on the left side of the flange plate; the ball pin mounting holes comprise an upper control arm ball pin mounting hole 11, a steering arm ball pin mounting hole 21, a lower front control arm ball pin mounting hole 15 and a lower rear control arm ball pin mounting hole 16, and when viewed from the front, the upper control arm ball pin mounting hole 11 is positioned on the left position right above the flange plate, the steering arm ball pin mounting hole 21 is positioned on the right position right below the flange plate, the lower front control arm ball pin mounting hole 15 is positioned on the right position right below the flange plate, and the lower rear control arm ball pin mounting hole 16 is positioned on the left position right below the flange plate; the other casting areas include a gooseneck lightening socket 12, a lower control arm lightening socket 17 and a steering arm lightening socket 14.
The gooseneck lightening pit 12 is positioned between the flange plate 13 and the upper control arm ball pin mounting hole 11, the damping pit penetrates through the whole steering knuckle in the die drawing direction, the vertical distance between the lowest end of the damping pit and the flange plate mounting hole is 80-85mm, the gooseneck lightening pit is in an isosceles triangle shape, the waist length of the triangle is 110-120mm, the bottom side length is 25-35mm, and the three corners are in smooth transition.
The steering arm weight reducing nest 14 is located between the flange plate 13 and the steering arm ball pin mounting hole 21, the vertical distance between the shock absorption nest and the steering arm mounting hole is 30-40mm, the steering arm weight reducing nest is triangular, the depth is 23-28mm, the side length of the triangle is 18-30mm, and three corners are in smooth transition.
The lower control arm lightening socket 17 is located in the center between two bolt mounting holes below the flange plate and a lower control arm ball pin mounting hole, the damping socket penetrates through the whole steering knuckle in the drawing direction, the lower control arm lightening socket is trapezoidal, the upper side length of the trapezoid is 30-40m, the lower side length of the trapezoid is 60-70mm, and the waist length of the trapezoid is 14-30 mm.
For a double-yoke steering knuckle, a weight reduction pit is often designed at a lower control arm or a steering arm in the past, the weight reduction effect is general, the weight reduction pit is arranged near a gooseneck, the lower control arm and the steering arm at the same time, and a shock absorption pit at the gooseneck is hollowed, so that the novel invention design is provided, stress distribution parameters of a product are obtained by a steering knuckle simulation analysis means, the weight of a non-bearing area is reduced on the basis of not influencing the structural strength, the rigidity and the fatigue performance, the steering knuckle after weight reduction still has excellent mechanical performance, and the performance requirements of the rigidity, the strength and the fatigue are met.
Example 1
In the embodiment, the double-fork-arm steering knuckle is provided with the weight reducing pits at the gooseneck part, the lower control arm and the vicinity of the steering arm, and comprises a flange plate, a bolt mounting hole, a ball pin mounting hole and other casting areas of the steering knuckle; the Faraday plate comprises a flange plate mounting hole 13, an ABS mounting hole 22 and a water drainage groove 20, wherein the flange plate mounting hole is a circular hole with the radius of 49mm when viewed from the front side, the ABS mounting hole is positioned at the upper right of the flange plate and is in the direction of about 45 degrees, and the water drainage groove is positioned right below the flange plate; the bolt mounting holes comprise flange plate bolt mounting holes 19 and caliper bolt mounting holes 18, and when viewed from the front, the flange plate bolt mounting holes are distributed around the flange plate in an isosceles trapezoid mode, the upper side of the trapezoid is 56mm, the lower side of the trapezoid is 74mm, the waist of the trapezoid is 95mm, and the caliper bolt mounting holes are distributed on the left side of the flange plate; the ball pin mounting holes comprise an upper control arm ball pin mounting hole 11, a steering arm ball pin mounting hole 21, a lower front control arm ball pin mounting hole 15 and a lower rear control arm ball pin mounting hole 16, and when viewed from the front, the upper control arm ball pin mounting hole is positioned on the left position right above the flange plate, the steering arm ball pin mounting hole is positioned on the right lower position right below the flange plate, the lower front control arm ball pin mounting hole is positioned on the right position right below the flange plate, and the lower rear control arm ball pin mounting hole is positioned on the left position right below the flange plate; the other casting areas include a weight reduction socket 12 at the gooseneck, a weight reduction socket 17 at the lower control arm, and a weight reduction socket 14 at the steering arm.
The weight reducing nest at the gooseneck is positioned between the flange plate and the ball pin mounting hole of the upper control arm, the damping nest penetrates through the whole steering knuckle in the die drawing direction, the vertical distance between the lowest end of the damping nest and the flange plate mounting hole is 82mm, the weight reducing nest at the gooseneck is in an isosceles triangle shape and looks like a water drop structure, the waist length of the triangle is 110 plus 120mm, the bottom side length is 25-35mm, and the three corners are in smooth transition.
The weight reducing pit at the steering arm is positioned between the flange plate and the mounting hole of the ball pin of the steering arm, the vertical distance between the damping pit and the mounting hole of the steering arm is 30-40mm, the weight reducing pit of the steering arm is triangular, the depth of the weight reducing pit is 23-28mm, the side length of the triangle is 18-30mm, and the three corners are in smooth transition.
The weight reducing nest at the lower control arm is positioned at the center between two bolt mounting holes below the flange plate and the ball pin mounting hole of the lower control arm, the damping nest penetrates through the whole steering knuckle in the drawing direction, the weight reducing nest of the lower control arm is trapezoidal, the upper side length of the trapezoid is 30-40m, the lower side length of the trapezoid is 60-70mm, and the waist length of the trapezoid is 14-30 mm.
Compared with the prior art, the utility model discloses a motor vehicle aluminum alloy double-wishbone knuckle with subtract heavy nest has following advantage:
the modeling weight of the comparative example 1 and the weight-loss dimple-free weight-loss dimple is 5.66kg under the condition of no weight-loss dimple, 5.37kg after weight loss, 290g after weight loss and 5.1 percent of weight loss effect.
Various performance tests were performed on the motor vehicle steering knuckle of example 1. The steering knuckle is tested for strength, lateral fatigue, steering fatigue, braking fatigue and the like in a test center of the central-office card corporation. Tests show that the knuckle meets customer standards. The knuckle has excellent mechanical properties and castability while achieving a reduced weight of the knuckle.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The motor vehicle aluminum alloy double-yoke steering knuckle with the weight-reducing pits is characterized by comprising a flange plate (13), a brake caliper bolt hole (18) and ball pin mounting holes, wherein each ball pin mounting hole comprises an upper control arm ball pin mounting hole (11), a steering arm ball pin mounting hole (21), a lower front control arm ball pin mounting hole (15) and a lower rear control arm ball pin mounting hole (16), the weight-reducing pits (12) at the gooseneck parts are arranged at the gooseneck parts between the flange plate (13) and the upper control arm ball pin mounting hole (11), the weight-reducing pits (14) at the steering arm parts are arranged between the flange plate (13) and the steering arm ball pin mounting hole (21), and the lower control arm weight-reducing pits (17) are arranged between the flange plate (13) and the lower front control arm ball pin mounting hole (15).
2. The automotive aluminum alloy double wishbone steering knuckle with weight-reducing dimples according to claim 1, characterized in that the gooseneck weight-reducing dimples (12) are triangular.
3. The automotive aluminum alloy double wishbone steering knuckle with weight-reducing dimples according to claim 1, characterized in that the steering arm weight-reducing dimples (14) are triangular.
4. The automotive aluminum alloy double yoke steering knuckle with weight reduction pockets according to claim 1, characterized in that the lower control arm weight reduction pocket (17) is trapezoidal.
5. The automotive aluminum alloy double wishbone steering knuckle with weight-reducing dimples according to claim 4, characterized in that the flange (13) comprises flange mounting holes (19), ABS mounting holes (22) and drainage grooves (20), and the control arm weight-reducing dimples (17) are arranged in the center of the flange mounting holes (19) and the lower front control arm ball pin mounting holes (15) and the lower rear control arm ball pin mounting holes (16) at the lower portion of the flange (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221626243.2U CN217496251U (en) | 2022-06-28 | 2022-06-28 | Motor vehicle aluminum alloy double-fork-arm steering knuckle with weight reducing pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221626243.2U CN217496251U (en) | 2022-06-28 | 2022-06-28 | Motor vehicle aluminum alloy double-fork-arm steering knuckle with weight reducing pit |
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| Publication Number | Publication Date |
|---|---|
| CN217496251U true CN217496251U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221626243.2U Active CN217496251U (en) | 2022-06-28 | 2022-06-28 | Motor vehicle aluminum alloy double-fork-arm steering knuckle with weight reducing pit |
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| CN (1) | CN217496251U (en) |
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- 2022-06-28 CN CN202221626243.2U patent/CN217496251U/en active Active
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