CN216424549U - Aluminum alloy steering knuckle - Google Patents
Aluminum alloy steering knuckle Download PDFInfo
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- CN216424549U CN216424549U CN202123032097.9U CN202123032097U CN216424549U CN 216424549 U CN216424549 U CN 216424549U CN 202123032097 U CN202123032097 U CN 202123032097U CN 216424549 U CN216424549 U CN 216424549U
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Abstract
The utility model discloses an aluminum alloy steering knuckle, which comprises a steering knuckle body, wherein the steering knuckle body is provided with a steering pull rod connecting through hole used for being connected with a steering pull rod ball pin and a lower swing arm connecting through hole used for being connected with a lower swing arm ball pin; the steering pull rod connecting through hole comprises a first round hole section and a first taper hole section, and the small-diameter end of the first taper hole section is connected with the first round hole section; the lower swing arm connecting through hole comprises a second circular hole section and a second circular hole section, and the small diameter end of the second circular hole section is connected with the second circular hole section. The utility model discloses with the joint strength of steering linkage ball round pin and lower swing arm ball round pin high to need not impress the steel bushing through interference fit on the aluminum alloy knuckle, reduced the machining precision requirement of aluminum alloy knuckle, reduced the assembly degree of difficulty, and reduced the weight and the cost of aluminum alloy knuckle.
Description
Technical Field
The utility model relates to an automobile front suspension, concretely relates to aluminum alloy knuckle.
Background
The automobile front suspension connects the automobile body and the wheels, carries out bearing support to the wheels, keeps the wheel gesture, realizes that the wheels turn to, keeps apart road surface vibration and transmits to the automobile body, and the lightweight of the interior part of front suspension helps promoting vehicle control performance, riding comfort. In recent years, there is a trend toward replacing cast iron with aluminum alloys for steering knuckles. The hardness of the aluminum alloy material is lower than that of cast iron, and when the steering knuckle is connected with the steering pull rod ball pin and the lower swing arm ball pin, the surface of the aluminum alloy steering knuckle is easy to crush and deform, so that the steering knuckle is cracked and the steering pull rod ball pin moves, and the driving safety is influenced.
CN204488923U discloses an aluminum alloy steering knuckle with a steel sleeve, which comprises an aluminum alloy steering knuckle body; the steel sleeve is also included; the aluminum alloy steering knuckle body is provided with a steel sleeve fixing hole matched with the steel sleeve; the steel sleeve is provided with a ball pin mounting hole connected with a ball pin; the steel sleeve is connected with the steel sleeve fixing hole in an interference fit mode. The utility model discloses a joint strength and reliability between aluminum alloy knuckle and the ball round pin have effectively been strengthened. But this utility model requires highly to the machining precision of the outer wall of steel bushing and the inner wall of steel bushing fixed orifices, and the assembly degree of difficulty is higher to the steel bushing can increase the weight and the cost of aluminum alloy knuckle.
Disclosure of Invention
In view of this, the utility model aims at providing an aluminum alloy knuckle is high with the joint strength of steering linkage ball round pin and lower swing arm ball round pin to need not be through the steel bushing of interference fit impressing on the aluminum alloy knuckle, reduced the machining precision requirement of aluminum alloy knuckle, reduced the assembly degree of difficulty, and reduced the weight and the cost of aluminum alloy knuckle.
The utility model provides an aluminum alloy steering knuckle, including the steering knuckle body, be provided with on the steering knuckle body and be used for with the steering linkage connecting through-hole of steering linkage ball pin coupling and be used for with the lower swing arm ball pin coupling's lower swing arm connecting through-hole; the steering pull rod connecting through hole comprises a first circular hole section and a first conical hole section, and the small-diameter end of the first conical hole section is connected with the first circular hole section; the lower swing arm connecting through hole comprises a second circular hole section and a second circular hole section, and the small-diameter end of the second circular hole section is connected with the second circular hole section.
Further, the first circular hole section is coaxial with the first taper hole section, and the second circular hole section is coaxial with the second taper hole section.
Further, the taper angle alpha of the first taper hole section is 85-95 degrees, the diameter D1 of the large-diameter end of the first taper hole section is 31-36 mm, the diameter of the small-diameter end of the first taper hole section and the diameter D2 of the first taper hole section are 14.5-17.5 mm, and the total height H1 of the steering pull rod connecting through hole is 20-40 mm.
Further, the taper angle alpha of the first taper hole section is 89.5-90.5 degrees, the diameter D1 of the large-diameter end of the first taper hole section is 33-34 mm, the diameter D2 of the small-diameter end of the first taper hole section and the diameter D2 of the first taper hole section are 15.5-16.5 mm, and the total height H1 of the steering pull rod connecting through hole is 27-33 mm.
Further, the taper angle beta of the second taper hole section is 85-95 degrees, the diameter D3 of the large-diameter end of the second taper hole section is 31-36 mm, the diameter of the small-diameter end of the second taper hole section and the diameter D4 of the second taper hole section are 14.5-17.5 mm, and the total height H2 of the lower swing arm connecting through hole is 17-35 mm.
Further, the taper angle beta of the second taper hole section is 89.5-90.5 degrees, the diameter D3 of the large-diameter end of the second taper hole section is 33-34 mm, the diameter of the small-diameter end of the second taper hole section and the diameter D4 of the second taper hole section are 15.5-16.5 mm, and the total height H2 of the lower swing arm connecting through hole is 22-30 mm.
The utility model has the advantages that: the utility model discloses an area of contact of knuckle body and adversary's piece has been increased to first taper hole section and second taper hole section, improve the joint strength of knuckle body and steering linkage ball round pin and the joint strength of knuckle body and lower balance arm ball round pin, need not be on the knuckle body through the steel bushing of interference fit impressing, the machining precision requirement of first round hole section and second round hole section is low, thereby the machining precision requirement of aluminum alloy knuckle has been reduced, reduce the assembly degree of difficulty, and the weight and the cost of aluminum alloy knuckle have been reduced.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a tie rod connecting through hole of the present invention;
fig. 3 is a schematic cross-sectional view of a lower swing arm connecting through hole of the present invention;
FIG. 4 is a schematic structural view of the steering linkage of the present invention connected to a ball pin of a steering linkage;
fig. 5 is a schematic cross-sectional view of the steering link ball pin of the present invention.
The drawings are numbered as follows: 1-knuckle body 1, 11-tie rod connecting through hole 11, 111-first circular hole section 111, 112-first taper hole section 112, 12-lower swing arm connecting through hole 12, 121-second circular hole section 121, 122-second taper hole section 122, 2-tie rod ball pin 2, 3-taper sleeve 3, 4-nut 4.
Detailed Description
As shown in fig. 1 to 3, the aluminum alloy steering knuckle in this embodiment includes a steering knuckle body 1, and the steering knuckle body 1 is provided with a steering rod connecting through hole 11 for connecting with a steering rod ball pin 2 and a lower swing arm connecting through hole 12 for connecting with a lower swing arm ball pin; the steering rod connecting through hole 11 comprises a first round hole section 111 and a first taper hole section 112, and the small-diameter end of the first taper hole section 112 is connected with the first round hole section 111; the lower swing arm connecting through hole 12 includes a second circular hole section 121 and a second circular hole section 122, and a small diameter end of the second circular hole section 122 is connected to the second circular hole section 121. As shown in fig. 4-5, when the knuckle body 1 is connected with the steering linkage ball pin 2, a taper sleeve 3 matched with the first taper hole section 112 is sleeved outside the steering linkage ball pin 2, then a pin rod of the steering linkage ball pin 2 passes through the steering linkage through hole 11, and is screwed with the pin rod of the steering linkage ball pin 2 through a nut 4, so that the inner surface of the taper sleeve 3 abuts against the taper surface of the steering linkage ball pin 2, and the outer surface of the taper sleeve 3 abuts against the inner wall of the first taper hole section 112; the connection mode of the steering knuckle body 1 and the lower swing arm ball pin is similar to the connection mode, and the description is omitted here. The contact area between the steering knuckle body 1 and the counterpart is increased through the first taper hole section 112 and the second taper hole section 122, the connection strength between the steering knuckle body 1 and the steering rod ball pin 2 and the connection strength between the steering knuckle body 1 and the lower swing arm ball pin are improved, a steel sleeve does not need to be pressed in the steering knuckle body 1 through interference fit, the machining precision requirements of the first round hole section 111 and the second round hole section 121 are low, the machining precision requirements of the aluminum alloy steering knuckle are reduced, the assembly difficulty is reduced, and the weight and the cost of the aluminum alloy steering knuckle are reduced.
In this embodiment, as shown in fig. 2-3, the first circular bore section 111 is coaxial with the first tapered bore section 112, such that the pin of the tie rod ball pin 2 and the corresponding taper sleeve 3 are coaxial; the second circular hole section 121 is coaxial with the second circular hole section 122, so that the pin of the lower swing arm ball pin and the corresponding taper sleeve 3 are coaxial.
In this embodiment, as shown in FIG. 2, the taper angle α of the first bore section 112 is 85 ° -95 °, preferably the taper angle α of the first bore section 112 is 89.5 ° -90.5 °, for example α may be 90 °; the large diameter end diameter D1 of the first conical section 112 is 31mm to 36mm, preferably the large diameter end diameter D1 of the first conical section 112 is 33mm to 34mm, for example D1 may be 33.5 mm; the diameter of the small end of the first conical bore section 112 and the diameter D2 of the first circular bore section 111 are 14.5mm-17.5mm, preferably the diameter of the small end of the first conical bore section 112 and the diameter D2 of the first circular bore section 111 are 15.5mm-16.5mm, for example D2 may be 16 mm; the total height H1 of the tie rod attachment through hole 11 is 20mm-40mm, preferably the total height H1 of the tie rod attachment through hole 11 is 27mm-33mm, for example H1 may be 30 mm. The taper angle α of the first taper hole section 112, the large-diameter end diameter D1 of the first taper hole section 112 and the small-diameter end diameter D2 of the first taper hole section 112 can ensure the contact area of the first taper hole section 112 and the taper sleeve 3; the total height H1 of the steering linkage through hole 11 can ensure that the strength of the steering knuckle body 1 at the installation position of the steering linkage ball pin 2 meets the requirement, and meanwhile, the performance waste and the material waste caused by the overlarge thickness of the steering knuckle body 1 at the position are avoided.
In this embodiment, as shown in FIG. 3, the taper angle β of the second tapered bore section 122 is 85 ° -95 °, preferably the taper angle β of the second tapered bore section 122 is 89.5 ° -90.5 °, for example β may be 90 °; the diameter D3 of the large diameter end of the second cone section 122 is 31mm-36mm, preferably the diameter D3 of the large diameter end of the second cone section 122 is 33mm-34mm, for example D3 may be 33.5 mm; the diameter of the small-diameter end of the second conical bore section 122 and the diameter D4 of the second circular bore section 121 are 14.5mm to 17.5mm, the diameter of the small-diameter end of the second conical bore section 122 and the diameter D4 of the second circular bore section 121 are 15.5mm to 16.5mm, for example, D4 may be 16 mm; the total height H2 of the lower swing arm connecting through hole 12 is 17mm-35mm, the total height H2 of the lower swing arm connecting through hole 12 is 22mm-30mm, for example H2 can be 26 mm. The taper angle β of the second taper hole section 122, the diameter D3 of the large diameter end of the second taper hole section 122 and the diameter of the small diameter end of the second taper hole section 122 can ensure the contact area between the second taper hole section 122 and the taper sleeve 3; the total height H2 of the lower swing arm connecting through hole 12 can ensure that the strength of the steering knuckle body 1 at the installation position of the lower swing arm ball pin meets the requirement, and meanwhile, the performance waste and the material waste caused by the overlarge thickness of the steering knuckle body 1 at the position are avoided.
It is noted that α = β, D1= D3, and D2= D4 are preferable, and the parameters of the first taper hole section 112 and the second taper hole section 122 are made the same, so that the taper sleeve 3 for matching with the tie rod ball pin 2 and the taper sleeve 3 for matching with the lower swing arm ball pin can be shared.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides an aluminum alloy knuckle, includes knuckle body (1), its characterized in that: the steering knuckle body (1) is provided with a steering pull rod connecting through hole (11) used for being connected with a steering pull rod ball pin (2) and a lower swing arm connecting through hole (12) used for being connected with a lower swing arm ball pin; the steering pull rod connecting through hole (11) comprises a first round hole section (111) and a first taper hole section (112), and the small-diameter end of the first taper hole section (112) is connected with the first round hole section (111); the lower swing arm connecting through hole (12) comprises a second circular hole section (121) and a second circular hole section (122), and the small-diameter end of the second circular hole section (122) is connected with the second circular hole section (121).
2. The aluminum alloy knuckle according to claim 1, characterized in that: the first circular bore section (111) is coaxial with the first conical bore section (112), and the second circular bore section (121) is coaxial with the second conical bore section (122).
3. The aluminum alloy knuckle according to claim 1 or 2, characterized in that: the taper angle alpha of the first taper hole section (112) is 85-95 degrees, the diameter D1 of the large-diameter end of the first taper hole section (112) is 31-36 mm, the diameter D2 of the small-diameter end of the first taper hole section (112) and the diameter D2 of the first taper hole section (111) are 14.5-17.5 mm, and the total height H1 of the steering pull rod connecting through hole (11) is 20-40 mm.
4. The aluminum alloy knuckle according to claim 3, characterized in that: the taper angle alpha of the first taper hole section (112) is 89.5-90.5 degrees, the diameter D1 of the large-diameter end of the first taper hole section (112) is 33-34 mm, the diameter D2 of the small-diameter end of the first taper hole section (112) and the diameter D2 of the first round hole section (111) is 15.5-16.5 mm, and the total height H1 of the steering pull rod connecting through hole (11) is 27-33 mm.
5. The aluminum alloy knuckle according to claim 1 or 2, characterized in that: the taper angle beta of the second taper hole section (122) is 85-95 degrees, the diameter D3 of the large-diameter end of the second taper hole section (122) is 31-36 mm, the diameter D4 of the small-diameter end of the second taper hole section (122) and the diameter D4 of the second taper hole section (121) are 14.5-17.5 mm, and the total height H2 of the lower swing arm connecting through hole (12) is 17-35 mm.
6. The aluminum alloy knuckle according to claim 5, characterized in that: the taper angle beta of the second taper hole section (122) is 89.5-90.5 degrees, the diameter D3 of the large-diameter end of the second taper hole section (122) is 33-34 mm, the diameter D4 of the small-diameter end of the second taper hole section (122) and the second taper hole section (121) is 15.5-16.5 mm, and the total height H2 of the lower swing arm connecting through hole (12) is 22-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032097.9U CN216424549U (en) | 2021-11-29 | 2021-11-29 | Aluminum alloy steering knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032097.9U CN216424549U (en) | 2021-11-29 | 2021-11-29 | Aluminum alloy steering knuckle |
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| Publication Number | Publication Date |
|---|---|
| CN216424549U true CN216424549U (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123032097.9U Active CN216424549U (en) | 2021-11-29 | 2021-11-29 | Aluminum alloy steering knuckle |
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| Country | Link |
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| CN (1) | CN216424549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789074A (en) * | 2022-11-29 | 2023-03-14 | 重庆长安汽车股份有限公司 | Mounting structure of ball pin and aluminum alloy goat's horn |
-
2021
- 2021-11-29 CN CN202123032097.9U patent/CN216424549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789074A (en) * | 2022-11-29 | 2023-03-14 | 重庆长安汽车股份有限公司 | Mounting structure of ball pin and aluminum alloy goat's horn |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |