CN210526642U - Knuckle structure and suspension mechanism - Google Patents
Knuckle structure and suspension mechanism Download PDFInfo
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- CN210526642U CN210526642U CN201920864686.7U CN201920864686U CN210526642U CN 210526642 U CN210526642 U CN 210526642U CN 201920864686 U CN201920864686 U CN 201920864686U CN 210526642 U CN210526642 U CN 210526642U
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- connecting part
- swing arm
- knuckle
- base
- shock absorber
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Abstract
The utility model discloses a knuckle structure and suspension mechanism, wherein the material of knuckle structure is the aluminum alloy, and the structure includes: the steering knuckle comprises a steering knuckle base, a shock absorber connecting part, a brake caliper connecting part, a swing arm connecting part and a steering pull rod connecting part; the steering knuckle base is provided with a hub installation part, and the shock absorber connecting part and the swing arm connecting part are arranged on the upper side and the lower side of the steering knuckle base in an opposite mode; the swing arm connecting part is connected with the knuckle base through an arc transition part, and the arc transition part comprises a weight reduction groove and reinforcing ribs positioned on two sides of the weight reduction groove; the brake caliper connecting part comprises a mounting plate and a reinforcing plate, the mounting plate is fixed on the side wall of the steering knuckle base, and a root reinforcing rib is further arranged at the connecting position of the mounting plate and the steering knuckle base; the plane of the mounting plate is superposed with the plane of the steering knuckle base, and the reinforcing plate is vertically fixed on the edge of the mounting plate. The utility model discloses realized the lightweight of knuckle structure under the circumstances of guaranteeing its intensity and satisfying the requirement.
Description
Technical Field
The utility model relates to an automotive suspension technical field especially relates to a knuckle structure and suspension mechanism.
Background
The steering knuckle plays a critical role in a suspension mechanism, can enable an automobile to stably run and sensitively transmit the running direction, and has the functions of bearing the front load of the automobile, supporting and driving a front wheel to rotate around a main pin so as to enable the automobile to steer. Thus, the steering knuckle not only needs to control the normal movement of the wheel, but also to distribute the tire forces and displacements reasonably among the various links, etc. This places demands on the knuckle such as stress requirements, stiffness requirements strain requirements and camber flexibility requirements.
However, with the development of new energy automobiles, the lightweight design and lightweight material application of each part of the automobile are more and more extensive, and the knuckle is used as a part of an automobile suspension mechanism, so that the lightweight design of the knuckle is not only beneficial to reducing the weight of the whole automobile, but also beneficial to improving the smoothness. Therefore, how to design the knuckle part in a lightweight manner and ensure sufficient strength is an important issue.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: provided is a knuckle structure which can be reduced in weight while ensuring sufficient strength.
The purpose of the invention is realized by the following technical scheme: the method comprises the following steps: the steering knuckle comprises a steering knuckle base, a shock absorber connecting part, a brake caliper connecting part, a swing arm connecting part and a steering pull rod connecting part;
the steering knuckle base is provided with a hub installation part, and the shock absorber connecting part and the swing arm connecting part are oppositely arranged on the upper side and the lower side of the steering knuckle base; the shock absorber connecting part extends towards one side of the plane of the steering knuckle base; the swing arm connecting part is vertically connected with the steering knuckle base, and the swing arm connecting part and the shock absorber connecting part are positioned on the same side of the plane of the steering knuckle base; the swing arm connecting part is connected with the steering knuckle base through an arc transition part, and the arc transition part comprises a weight reduction groove and reinforcing ribs positioned on two sides of the weight reduction groove;
the brake caliper connecting part comprises a mounting plate and a reinforcing plate, the mounting plate is fixed on the side wall of the steering knuckle base, and a root reinforcing rib is further arranged at the connecting position of the mounting plate and the steering knuckle base; the plane where the mounting plate is located is overlapped with the plane where the steering knuckle base is located, and the reinforcing plate is vertically fixed to the edge of the mounting plate;
the steering pull rod connecting part is arranged on the side wall of the steering knuckle base;
the knuckle base, the damper connecting portion, the brake caliper connecting portion, the swing arm connecting portion and the steering linkage connecting portion are all made of aluminum alloy.
In the above knuckle structure, a connection line between the shock absorber connecting part and the swing arm connecting part is perpendicular to an extending direction of the steering rail connecting part.
The hub mounting portion comprises a hub shaft fixing hole and a plurality of bolt through holes, the hub fixing hole is formed in the gravity center position of the steering knuckle base, and the bolt through holes are formed in the hub shaft fixing hole in a surrounding mode.
In the knuckle structure, the number of the bolt through holes is three, and the three bolt through holes surround the hub fixing hole and are arranged in a triangular structure.
In the above knuckle structure, the hub fixing hole is further provided with a bushing.
In the knuckle structure, the swing arm connecting part is provided with a swing arm ball pin shaft fixing hole, a fixing hole adjusting gap and a locking part through hole;
the swing arm connecting part is divided into a first connecting part and a second connecting part by the fixing hole adjusting gap; the retaining member is perforated and is run through in proper order first connecting portion with the second connecting portion, the retaining member is perforated and is link up with the fixed orifices regulation clearance just the retaining member is perforated with swing arm ball round pin axle fixed orifices is perpendicular.
In the above knuckle structure, the mounting plate has an M-shaped structure, the upper end and the lower end of the mounting plate are respectively provided with a first mounting part and a second mounting part, the first mounting part is provided with a first mounting hole, and the second mounting part is provided with a second mounting hole;
the first installation part and the second installation part retract towards the direction close to the steering knuckle base to form a recess.
In the above knuckle structure, a reinforcing plate is further disposed between the side wall of the steering rod connecting portion and the side wall of the knuckle base.
The utility model also discloses a suspension mechanism, which comprises the steering knuckle structure, the shock absorber, the brake caliper, the swing arm and the wheel hub;
the shock absorber is fixed on the shock absorber connecting part through a shock absorber mounting bracket, the shock absorber mounting bracket comprises a U-shaped sleeve and a fastening bolt, the U-shaped sleeve is wrapped outside the shock absorber, and the end of the U-shaped sleeve is fastened on the shock absorber connecting part through the fastening bolt;
the brake caliper is fixed to the brake caliper connecting portion by a bolt;
the hub is fixed to the hub mounting portion;
the swing arm is in spherical connection with the ball pin, and a rotating shaft of the ball pin is fixed to the swing arm connecting portion.
In the suspension mechanism, the swing arm includes the first swing link, the second swing link, and the swing link connecting plate, the swing link connecting plate is a triangular plate, the first swing link and the second swing link are respectively disposed at two corner positions of the swing link connecting plate, and the ball pin is spherically connected to the swing link connecting plate.
Compared with the prior art, the beneficial effects of the utility model include: through set up at arc transition position and subtract heavy groove and strengthening the rib, set up the reinforcing plate at brake caliper connecting portion and adopted the design of aluminum alloy material to realize the lightweight of knuckle structure under the circumstances of guaranteeing that its intensity satisfies the requirement.
Drawings
Fig. 1 is a first schematic perspective view of a knuckle structure disclosed in an embodiment of the present invention;
fig. 2 is a second schematic perspective view of a knuckle structure disclosed in an embodiment of the present invention;
fig. 3 is a front view of a knuckle structure disclosed in an embodiment of the present invention;
fig. 4 is a left side view of a knuckle structure disclosed in an embodiment of the present invention;
fig. 5 is a first schematic perspective view of a suspension mechanism according to an embodiment of the present invention;
fig. 6 is a second schematic perspective view of a suspension mechanism according to an embodiment of the present invention;
fig. 7 is a schematic view of an internal structure of a suspension mechanism according to an embodiment of the present invention;
reference numerals:
1-knuckle base, 11-hub mounting part, 111-hub fastening hole, 112-bolt through hole, 113-inner bushing, 2-damper fastening part, 3-brake caliper fastening part, 31-mounting plate, 311-first mounting part, 312-second mounting part, 32-reinforcing plate, 4-swing arm fastening part, 41-swing arm ball pin fastening hole, 42-fastening hole adjusting gap, 43-locking member through hole, 5-swing type tie rod fastening part, 6-arc transition part, 61-weight reducing groove, 62-reinforcing rib, 7-reinforcing plate, 100-knuckle structure, 200-damper, 300-brake caliper, 400-swing arm, 401-first swing rod, 402-second swing rod, 403-swing rod connecting plate, 500-hub, 600-shock absorber mounting bracket, 601-U-shaped sleeve, 602-fastening bolt and 700-ball pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
Referring to fig. 1 to 4, the present embodiment provides a knuckle structure, including: a knuckle base 1, a damper connecting part 2, a brake caliper connecting part 3, a swing arm connecting part 4 and a steering rod connecting part 5;
the knuckle base 1 is provided with a hub installation part 11, and the hub installation part 11 is used for installing a hub 500. The shock absorber connecting part 2 and the swing arm connecting part 4 are oppositely arranged on the upper side and the lower side of the knuckle base 1; the shock absorber connecting part 2 extends towards one side of the plane of the steering knuckle base 1; the swing arm connecting portion 4 is perpendicularly connected with the knuckle base 1, and the swing arm connecting portion 4 is located on the same side of the plane where the knuckle base 1 is located with the shock absorber connecting portion 2.
The swing arm connecting part 4 is connected with the knuckle base 1 through an arc transition part 6, and the arc transition part 6 comprises a weight reduction groove 61 and reinforcing ribs 62 positioned on two sides of the weight reduction groove 61. The weight of the knuckle can be reduced by the arrangement of the damping grooves 61, the natural stroke reinforcing ribs 62 are arranged at the edges of the lightening grooves 61 after the lightening grooves 61 are excavated, and the arrangement of the reinforcing ribs 62 can enhance the strength of the arc transition part 6.
The brake caliper connecting part 3 comprises a mounting plate 31 and a reinforcing plate 32, the mounting plate 31 is fixed on the side wall of the knuckle base 1, and a root reinforcing rib 33 is further arranged at the connecting position of the mounting plate 31 and the knuckle base 1; the plane of the mounting plate 31 is superposed with the plane of the knuckle base 1, and the reinforcing plate 32 is vertically fixed on the edge of the mounting plate 31. The thickness of the mounting plate 31 is smaller than that of the knuckle mount 1, so the mounting plate 31 is fixed at the middle position of the side wall of the knuckle mount 1, one side surface of the mounting plate 31 is fixed on the side wall of the knuckle mount 1, and the other side surface of the mounting plate 31 is fixedly connected with the reinforcing plate 32. The reinforcing plate 32 is perpendicular to the mounting plate 31, and the strength of the mounting plate 31 can be enhanced by the reinforcing plate 32, so that the strength of the whole steering knuckle structure is improved as a whole.
The steering pull rod connecting part 5 is arranged on the side wall of the steering knuckle base 1; the knuckle base 1, the damper connecting portion 2, the brake caliper connecting portion 3, the swing arm connecting portion 4 and the steering linkage connecting portion 5 are all made of aluminum alloy. The aluminum alloy material is adopted, and the aluminum alloy has light weight, so that the weight of the whole steering knuckle structure can be reduced in material, and the light weight operation of the steering knuckle structure is further realized.
The utility model discloses a subtract the lightweight of knuckle structure has been realized guaranteeing under the circumstances that its intensity satisfies the requirement to the design of the setting of heavy groove and reinforcement and adoption aluminum alloy material.
Specifically, the connecting direction of the shock absorber connecting part 2 and the swing arm connecting part 4 is perpendicular to the extending direction of the steering linkage connecting part 5. In this embodiment, the damping connecting portion 2 is disposed at the upper end of the knuckle base 1, the swing arm connecting portion 4 is disposed at the lower end of the knuckle base 1, and the steering connecting portion 5 is disposed at the right end of the knuckle base 1. The steering connecting part 5 is provided with a mounting hole of a tie rod ball pin connecting part, and the steering connecting part 5 is arranged on the right side of the steering knuckle base 1 to conveniently realize the rotation of the steering knuckle structure.
The hub mounting portion 11 includes a hub axle fixing hole 111 and a plurality of bolt insertion holes 112, the hub fixing hole 111 is provided at the center of gravity of the knuckle base 1, and the plurality of bolt insertion holes 112 are provided around the hub fixing hole 111. The hub 500 includes a hub rotation shaft and a hub flange plate, the hub rotation shaft is inserted into the hub fixing hole 111, and the hub flange plate is fixed to the bolt through hole 112 by a bolt. In the present embodiment, there are three bolt through holes 112, and the three bolt through holes 112 are arranged around the hub fixing hole 111 in a triangular structure. The bolt through holes 112 are arranged in a triangular shape, so that the mounting stability can be improved, and the number of bolts used is reduced as much as possible, thereby realizing the lightweight design of the steering knuckle structure.
Furthermore, in order to facilitate the installation and fixation of the hub and improve the stability after the installation and fixation, a bushing 113 is further arranged in the hub fixation hole 111. The outer side wall of the bushing 113 is in interference fit with the hub fixing hole 111, and the inner side wall of the bushing 113 is fixedly connected with the hub rotating shaft.
In order to facilitate the installation and fixation of the swing arm, a swing arm ball pin shaft fixing hole 41, a fixing hole adjusting gap 42 and a locking member perforation 43 are arranged on the swing arm connecting part 4. The swing arm ball pin shaft fixing hole 41 is used for fixing the shaft of the ball pin. The swing arm connecting part 4 is divided into a first connecting part and a second connecting part by the fixing hole adjusting gap 42; the retaining member is perforated with a hole 43 and penetrates through the first connecting part and the second connecting part in sequence, the retaining member is perforated with a hole 43 and is adjusted through the gap 42, and the retaining member is perforated with a hole 43 and is perpendicular to the swing arm ball pin shaft fixing hole 41. The fixed hole adjusting gap 42 is actually a notch of the swing arm ball pin shaft fixed hole 41 on the side wall, and the arrangement of the fixed hole adjusting gap 42 enables the swing arm ball pin shaft fixed hole 41 to adapt to ball pins with different thickness degrees, so that the adaptability is improved, and the installation and the fixation of the ball pins on the swing arm ball pin shaft fixed hole 41 are facilitated. After the ball pin is installed in the swing arm ball pin shaft fixing hole 41, the locking piece penetrates through the locking piece through hole 43, so that the first connecting part and the second connecting part tend to be close to each other, the size of the gap between the fixing hole adjusting gaps 42 is reduced, and the ball pin installed on the swing arm ball pin shaft fixing hole 41 is locked and fixed.
In order to further realize the light weight of the steering knuckle structure, the mounting plate 31 has an M-shaped structure, the upper end and the lower end of the mounting plate 31 are respectively provided with a first mounting part 311 and a second mounting part 312, the first mounting part 311 is provided with a first mounting hole, and the second mounting part is provided with a second mounting hole; the first mounting portion 311 and the second mounting portion 312 are retracted toward the direction of the knuckle base 1 to form a recess. The brake caliper is mounted to the first mounting portion 311 and the second mounting portion 312 by two bolts, respectively, with a recess formed inwardly between the first mounting portion 311 and the second mounting portion 312 to minimize the use of unnecessary material.
Further, a reinforcing plate 7 is further provided between the side wall of the steering rod connecting portion 5 and the side wall of the knuckle base 1 in order to further reinforce the strength of the entire knuckle structure. The reinforcing plate 7 is a triangular plate, one side of the reinforcing plate 7 is fixed to the steering column connecting portion 5, and the other side of the reinforcing plate 7 is fixed to the side wall of the knuckle base 1. The provision of the reinforcing plate 7 can improve the stability of the tie rod connecting portion 5.
As shown in fig. 5-7, the present invention also discloses a suspension mechanism, which comprises the above-mentioned knuckle structure 100, shock absorber 200, brake caliper 300, swing arm 400 and wheel hub 500;
the shock absorber 200 is fixed on the shock absorber connecting portion 2 through the shock absorber mounting bracket 600, the shock absorber mounting bracket 600 comprises a U-shaped sleeve 601 and a fastening bolt 602, the U-shaped sleeve 601 is wrapped outside the shock absorber 200, and the fastening bolt 602 fastens the end of the U-shaped sleeve 601 to the shock absorber connecting portion 2. In another preferred embodiment, a limit snap ring is further disposed on the side wall of the shock absorber 200, and the limit snap ring is engaged with the U-shaped sleeve 601 so as to slide the shock absorber 200 downward.
The caliper 300 is fixed to the caliper connecting portion 3 by bolts; the brake caliper 3 is located opposite to a brake disc fixed to the knuckle base 1. The braking of the hub is achieved by the cooperation of the brake caliper 3 with the brake disc.
The hub 500 is fixed to the hub mounting portion 11;
the swing arm 400 is spherically coupled with a ball pin 700, the rotation shaft of which is fixed to the swing arm coupling part 4. Specifically, the swing arm 400 includes a first swing link 401, a second swing link 402 and a swing link connecting plate 403, the swing link connecting plate 403 is a triangular plate, the first swing link 401 and the second swing link 402 are respectively disposed at two corner positions of the swing link connecting plate 403, and the ball pin 700 is spherically connected with the swing link connecting plate 403. The pendulum rod connecting plate 403 is set to be a triangular plate, so that the stability of the pendulum arm 400 in the use process can be enhanced.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A knuckle structure characterized by comprising: the steering knuckle comprises a steering knuckle base, a shock absorber connecting part, a brake caliper connecting part, a swing arm connecting part and a steering pull rod connecting part;
the steering knuckle base is provided with a hub installation part, and the shock absorber connecting part and the swing arm connecting part are oppositely arranged on the upper side and the lower side of the steering knuckle base; the shock absorber connecting part extends towards one side of the plane of the steering knuckle base; the swing arm connecting part is vertically connected with the steering knuckle base, and the swing arm connecting part and the shock absorber connecting part are positioned on the same side of the plane of the steering knuckle base; the swing arm connecting part is connected with the steering knuckle base through an arc transition part, and the arc transition part comprises a weight reduction groove and reinforcing ribs positioned on two sides of the weight reduction groove;
the brake caliper connecting part comprises a mounting plate and a reinforcing plate, the mounting plate is fixed on the side wall of the steering knuckle base, and a root reinforcing rib is further arranged at the connecting position of the mounting plate and the steering knuckle base; the plane where the mounting plate is located is overlapped with the plane where the steering knuckle base is located, and the reinforcing plate is vertically fixed to the edge of the mounting plate;
the steering pull rod connecting part is arranged on the side wall of the steering knuckle base;
the knuckle base, the damper connecting portion, the brake caliper connecting portion, the swing arm connecting portion and the steering linkage connecting portion are all made of aluminum alloy.
2. The knuckle structure according to claim 1, wherein a line connecting the damper attachment portion and the swing arm attachment portion is perpendicular to an extending direction of the tie rod attachment portion.
3. The knuckle structure according to claim 1, wherein the hub mounting portion includes a hub axle fixing hole provided at a center of gravity of the knuckle base and a plurality of bolt penetration holes provided around the hub axle fixing hole.
4. The knuckle structure according to claim 3, wherein there are three bolt through holes arranged in a triangular configuration around the hub axle fixing hole.
5. The knuckle structure of claim 3, wherein a bushing is further disposed in the hub axle fixing hole.
6. The knuckle structure according to claim 1, wherein a swing arm ball pin shaft fixing hole, a fixing hole adjusting gap and a locking member through hole are formed in the swing arm connecting portion;
the swing arm connecting part is divided into a first connecting part and a second connecting part by the fixing hole adjusting gap; the retaining member is perforated and is run through in proper order first connecting portion with the second connecting portion, the retaining member is perforated and is link up with the fixed orifices regulation clearance just the retaining member is perforated with swing arm ball round pin axle fixed orifices is perpendicular.
7. The knuckle structure according to claim 1, wherein the mounting plate has an M-shaped structure, and a first mounting portion and a second mounting portion are respectively provided at upper and lower ends of the mounting plate, the first mounting portion having a first mounting hole and the second mounting portion having a second mounting hole;
the first installation part and the second installation part retract towards the direction close to the steering knuckle base to form a recess.
8. The knuckle structure according to claim 1, wherein a reinforcement plate is further provided between the side wall of the tie rod connecting portion and the side wall of the knuckle base.
9. A suspension mechanism comprising the knuckle structure, the shock absorber, the brake caliper, the swing arm and the hub according to any one of claims 1 to 8;
the shock absorber is fixed on the shock absorber connecting part through a shock absorber mounting bracket, the shock absorber mounting bracket comprises a U-shaped sleeve and a fastening bolt, the U-shaped sleeve is wrapped outside the shock absorber, and the end of the U-shaped sleeve is fastened on the shock absorber connecting part through the fastening bolt;
the brake caliper is fixed to the brake caliper connecting portion by a bolt;
the hub is fixed to the hub mounting portion;
the swing arm is in spherical connection with the ball pin, and a rotating shaft of the ball pin is fixed to the swing arm connecting portion.
10. The suspension mechanism according to claim 9, wherein the swing arm includes a first swing link, a second swing link, and a swing link connecting plate, the swing link connecting plate is a triangular plate, the first swing link and the second swing link are respectively provided at two corner positions of the swing link connecting plate, and the ball pin is spherically connected to the swing link connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920864686.7U CN210526642U (en) | 2019-06-10 | 2019-06-10 | Knuckle structure and suspension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920864686.7U CN210526642U (en) | 2019-06-10 | 2019-06-10 | Knuckle structure and suspension mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210526642U true CN210526642U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920864686.7U Active CN210526642U (en) | 2019-06-10 | 2019-06-10 | Knuckle structure and suspension mechanism |
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| CN (1) | CN210526642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009566A (en) * | 2020-08-13 | 2020-12-01 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
-
2019
- 2019-06-10 CN CN201920864686.7U patent/CN210526642U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009566A (en) * | 2020-08-13 | 2020-12-01 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
| CN112009566B (en) * | 2020-08-13 | 2023-08-29 | 北京新能源汽车股份有限公司 | Steering knuckle after 3D printing, manufacturing method, suspension system and automobile |
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Effective date of registration: 20220527 Granted publication date: 20200515 |