CN111252138B - Full-flow-line steering knuckle forging structure - Google Patents
Full-flow-line steering knuckle forging structure Download PDFInfo
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- CN111252138B CN111252138B CN202010116846.7A CN202010116846A CN111252138B CN 111252138 B CN111252138 B CN 111252138B CN 202010116846 A CN202010116846 A CN 202010116846A CN 111252138 B CN111252138 B CN 111252138B
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- arm
- main pin
- flange plate
- steering
- pin arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/16—Arrangement of linkage connections
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention relates to a full-flow-line knuckle forging structure of an automobile part, which comprises a flange plate, wherein the bottom of the flange plate is provided with a main shaft, the top of the flange plate is provided with a long main pin arm and a short main pin arm which are distributed on two sides of the flange plate, and the long main pin arm and the short main pin arm are provided with main pin holes; the top of the long main pin arm is provided with a pull rod connecting arm; the flange plate is horizontally provided with braking torque plates which are distributed on two sides of the long main pin arm and connected with the long main pin arm along two sides of the plane where the flange plate is located; a steering arm connected with a steering tie rod is arranged on the side arc surface of the short main pin arm in an extending manner, and the steering arm is connected with the flange plate; and the flange plate, the main shaft, the long main pin arm, the short main pin arm, the pull rod connecting arm and the steering arm are integrally forged and formed. The beneficial effects are that: the steering knuckle has the advantages of compact structure, reasonable overall streamline, especially regular streamline of a steering arm, good mechanical property, reduction in processing and assembling cost of the automobile steering knuckle, simplification of an automobile steering knuckle assembly system and realization of light weight of the automobile steering knuckle.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a full-flow steering knuckle forging structure.
Background
The steering knuckle is one of the main security parts of the automobile steering front axle assembly, effectively transmits the rotation angle value of a steering wheel to the front wheels of the automobile, controls the advancing direction of the automobile and bears changeable impact load at the front part of the automobile. When the automobile steers, torque applied by a steering wheel is transmitted to the steering rocker arm step by step, the steering rocker arm is transmitted to the pull rod connecting arm fixed on the steering knuckle through the straight pull rod, so that the steering knuckle on one side drives the tire to steer, meanwhile, the steering knuckle on the side drives the steering arm fixed on the steering knuckle to move, the steering arm drives the steering knuckle on the other side to synchronously rotate through the steering tie rod, and therefore wheels on two sides are synchronously steered.
Traditional knuckle generally belongs to the fork spare, including main shaft, long king pin arm, short king pin arm, ring flange, and the knuckle passes through bolted connection with pull rod linking arm, steering arm, leads to car a steering system structure complicacy, and processing, the assembly degree of difficulty increase, and steering system assembly weight is heavier, is unfavorable for the lightweight development trend of car.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a full-flow knuckle forging structure, which is used to solve the problems of the prior art, such as more knuckle connecting parts, low connecting strength, more processing and assembling links, complex structure of a steering system, heavy weight, high manufacturing and using costs, etc.
In order to achieve the above and other related purposes, the invention provides a full-flow knuckle forging structure, which comprises a flange plate, wherein a main shaft perpendicular to the flange plate is downwards arranged at the bottom of the flange plate, a long main pin arm and a short main pin arm perpendicular to the flange plate are upwards arranged at the top of the flange plate in an extending manner, the long main pin arm and the short main pin arm are distributed on two sides of the top of the flange plate, and main pin holes which are coaxially arranged are formed in the long main pin arm and the short main pin arm;
the top of the long main pin arm is provided with a pull rod connecting arm protruding upwards;
braking torque plates are horizontally arranged on two sides of the plane of the flange plate in an extending mode, distributed on two sides of the long main pin arm and connected with the long main pin arm;
a steering arm for connecting with a steering tie rod is arranged on the side arc surface of the short main pin arm in an extending manner, the steering arm is connected with the flange plate at the same time, and the lower surface of the steering arm is flush connected with the lower surface of the flange plate;
the flange plate, the main shaft, the long main pin arm, the short main pin arm, the pull rod connecting arm, the braking torsion plate and the steering arm are integrally forged and formed, the forging parting surface comprises a plane where the flange plate and the braking torsion plate are located, the forging parting surface is formed by transiting the plane where the flange plate and the braking torsion plate are located, extending the plane where the axes of the long main pin arm and the short main pin arm are located, and extending the forging parting surface from the short main pin arm to the steering arm.
The invention has the beneficial effects that: the disc type steering knuckle integrating the steering arm, the braking torsion plate and the pull rod connecting arm in a full flow line is integrally forged and formed, has a reasonable and compact structure, good mechanical property and reliable safety performance, reduces the processing and assembling cost of the automobile steering knuckle, simplifies an automobile steering assembly system and realizes the light weight of the automobile steering knuckle; especially, the strength, the modeling structure mechanical property and the internal streamline mechanical property of the integrated connecting part of the steering arm are enhanced, and the connecting strength of the braking torsion plate is high.
Optionally, the pull rod connecting arm is axially parallel to the spindle, the outer side face of the pull rod connecting arm protrudes out of the outer side face of the long main pin arm, the inner side face of the long main pin arm protrudes out of the inner side face of the pull rod connecting arm, the inner space of the long main pin arm and the inner space of the short main pin arm in the opening position are increased, and processing is facilitated.
Optionally, a first mounting hole for connecting with the steering drag link is formed in the pull rod connecting arm, and the first mounting hole is perpendicular to the main pin hole and parallel to the flange.
Optionally, be equipped with on the pull rod linking arm and be used for the first mounting hole be connected with the tie rod that turns to, first mounting hole is perpendicular with the king-pin hole to it is parallel with the ring flange for turn to tie rod and pull rod linking arm and directly adopt shaft hole cooperation installation, and the fastening is good, and joint strength is high.
Optionally, reinforcing rib plates connected with the braking torsion plate and the flange plate at the same time are arranged on two sides of the long king pin arm.
Optionally, a second mounting hole for mounting the brake caliper is formed in the brake torsion plate, and an axis of the second mounting hole is parallel to an axis of the main shaft.
Optionally, the steering arm includes a bent arm and a ball head, a first end of the bent arm is connected to the short king pin arm and the flange plate at the same time, and a second end of the bent arm is connected to the ball head.
Optionally, the curved arm is gradually bent upwards along a vertical plane of the flange surface from the first end to the second end, and the curved arm is gradually reduced from the first end to the second end.
Optionally, the ball head includes a rectangular parallelepiped portion provided with a tie rod mounting hole, two ends of the rectangular parallelepiped portion are of a semi-cylindrical structure, and an arc-shaped side wall of the semi-cylinder at one end of the rectangular parallelepiped portion is connected to the second end of the curved arm.
Optionally, an included angle formed by a parting line of the ball head and the flange is less than or equal to 85 °.
Optionally, the first end of the bent arm is connected with the lower semicircular side wall of the king pin hole of the short king pin arm and the flange.
The beneficial effect of adopting the above optional scheme is: the steering arm is reasonable in structural layout, the bent arm is gradually reduced from the first end to the second end and adopts an upward bending structure, so that the whole streamline inside the steering arm is reasonably distributed, the mechanical property and the strength of the steering arm are improved, and the installation space and the steering movement space are increased.
Drawings
FIG. 1 is a schematic structural view of a full flow knuckle forging construction of the present invention;
FIG. 2 is a schematic view of a first view angle structure of the machined full-flow knuckle forging structure hole of the present invention;
FIG. 3 is a schematic view of a second perspective structure of the machined full-flow knuckle forging structure hole of the present invention;
FIG. 4 shows a front view of the full flow knuckle forging configuration of the present invention;
FIG. 5 is a schematic view showing the streamline distribution of the steering arm of the full-streamline knuckle forging structure of the present invention;
FIG. 6 is a schematic view of the curved arm of FIG. 5 taken along section A-A;
FIG. 7 shows a cross-sectional view of a ball head of the full flow knuckle forging configuration of the present invention.
Description of reference numerals
1, a flange plate;
2, a main shaft;
3 short master pin arm;
31 a king pin hole;
4 long king pin arms;
41 a king pin hole;
5 braking the torsion plate;
51 a second mounting hole;
6 a steering arm;
61 bending the arm;
62 ball heads;
621 a rectangular parallelepiped portion;
622 tie rod mounting holes;
7, connecting arms of pull rods;
71 a first mounting hole;
72 reinforcing rib plates;
81 mold splitting line;
82 flow lines.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship between the terms and the corresponding elements may be made without substantial technical changes.
Before describing embodiments of the present invention in detail, the present invention will be described in an application environment. The technology of the invention is mainly applied to the field of automobiles, in particular to an automobile steering system. The invention solves the problems of complex processing and assembly, high manufacturing and maintenance cost, low structural strength, heavier overall weight of the assembly and the like of the traditional steering system.
As shown in fig. 1 to 6, the full-flow knuckle forging structure of the invention comprises a flange plate 1, wherein a main shaft 2 perpendicular to the flange plate 1 is downwardly arranged at the bottom of the flange plate 1, a long main pin arm 4 and a short main pin arm 3 perpendicular to the flange plate 1 are upwardly and extendedly arranged at the top of the flange plate 1, the long main pin arm 4 and the short main pin arm 3 are distributed on two opposite sides of the top of the flange plate 1, a main pin hole 41 vertically penetrating through the long main pin arm 4 is arranged on the long main pin arm 4, a main pin hole 31 vertically penetrating through the short main pin arm 3 is arranged on the short main pin arm 3, and the main pin hole 41 and the main pin hole 31 are coaxially arranged. The top of long king pin arm 4 is equipped with bellied pull rod linking arm 7 that makes progress, pull rod linking arm 7 and 2 axial parallel arrangement of main shaft, and the lateral surface of pull rod linking arm 7 (the lateral surface indicates the side of back to short king pin arm) protrusion in the lateral surface of long king pin arm 4, the medial surface of long king pin arm 4 (the medial surface indicates the side towards short king pin arm) protrusion in the medial surface of pull rod linking arm 7, adopt this structural design, long king pin arm 4 has been increased, short king pin arm 3 is opened shelves inboard space, the processing of being convenient for. Be equipped with on the pull rod linking arm 7 and be used for the first mounting hole 71 be connected with the tie rod that turns to, first mounting hole 71 is the taper hole, and first mounting hole 71 is perpendicular with king pin hole 31, king pin hole 41 to first mounting hole 71 is parallel with ring flange 1 simultaneously, and direct shaft hole cooperation installation when first mounting hole 71 adopts this structural layout to make the tie rod that turns to be connected with pull rod linking arm 7, and it is convenient to install, has improved the fastening nature and the intensity of connecting.
As shown in fig. 1 to 3, the flange plate 1 is horizontally provided with braking torque plates 5 along two sides of the plane where the flange plate is located, the braking torque plates 5 are distributed on two sides of the long king pin arm 4 and are connected with the long king pin arm 4, reinforcing rib plates 72 which are simultaneously connected with the braking torque plates 5 and the flange plate 1 are arranged on two sides of the long king pin arm 4, and the reinforcing rib plates 72 are connected with the side surfaces of the flange plate. The braking torsion plate 5 and the flange plate 1 are located on the same horizontal plane, and the braking torsion plate 5 is connected with the flange plate 1 and the pull rod connecting arm 7 at the same time, so that the connecting area of the braking torsion plate and the flange plate is increased, and the strength of the braking torsion plate is improved. The brake torsion plate 5 is provided with a second mounting hole 51 for mounting a brake caliper, and the axis of the second mounting hole 51 is parallel to the axis of the main shaft 2.
As shown in fig. 1 to 6, a steering arm 6 for connecting with a tie rod extends from a side arc surface of the short master pin arm 3, and the side arc surface of the steering arm 6 is adjacent to an inner side surface of the short master pin arm 3, that is, the side arc surface is a side surface of an outer cylindrical surface of the short master pin arm 3. The steering arm 6 comprises a bent arm 61 and a ball head 62, the first end of the bent arm 61 is connected with the short main pin arm 3 and the flange plate 1 at the same time, the first end of the bent arm 61 is connected with the lower semicircular side wall (namely the side arc surface of the short main pin arm) of the main pin hole 31 of the flange plate 1 and the short main pin arm 3 at the same time, the lower surface of the steering arm 6 is flush connected with the lower surface of the flange plate 1, namely the steering arm is connected with the side surface of the flange plate 1, and the strength is improved. The second end of curved boom 61 is connected with bulb 62, and curved boom 61 is by first end to second end along the perpendicular face of flange face (promptly with the perpendicular face of ring flange) kickup gradually, and curved boom 61 is by first end to second end taper down, and the terminal surface area of the first end of curved boom 61 is less than the side area of the one side that short king pin arm 3 and curved boom are connected, and the curved boom adopts the mode that cross sectional area diminishes gradually by first end to second end. The ball head 62 includes a rectangular solid portion 621, two ends of the rectangular solid portion 621 are in a semi-cylindrical structure, an arc-shaped sidewall of the semi-cylinder at one end of the rectangular solid portion 621 is connected to the second end of the bent arm 61, and an included angle α formed by a parting line 81 of the ball head 62 and the flange plate 1 is less than or equal to 85 °, for example, α may be any included angle of 50 °, or 70 °, or 85 °. A tie rod mounting hole 622 for connecting a tie rod is provided in the rectangular parallelepiped portion 611 of the ball head 62, and the axis of the tie rod mounting hole 622 is parallel to the axis of the kingpin hole 41 and the kingpin hole 31. The steering arm 6 is symmetrically split by a split line 81 through reasonable structural design, an internal streamline 82 is reasonable, the section is regular, the regular allowance of a ball head processing surface is small, and the strength of an integrated connection part of the steering arm, the mechanical property of a modeling structure and the mechanical property of the internal streamline are enhanced.
As shown in fig. 1 to 6, the flange plate 1, the main shaft 2, the long king pin arm 4, the short king pin arm 3, the braking torsion plate 5, the pull rod connecting arm 7, the reinforcing rib plate 72 and the steering arm 6 are integrally forged and formed, secondary connection is not needed, the processing and assembling links are reduced, the cost is saved, the mechanical property and the strength of the steering knuckle are improved due to the full-streamline structure, and the use safety is enhanced. And the forged split surface formed by forging comprises the planes of the flange plate 1 and the braking torsion plate 5, and the forged split surface is transited from the planes of the flange plate and the braking torsion plate to the planes of the axes of the long main pin arm 4 and the short main pin arm 3 and then horizontally extends from the short main pin arm 3 to the curved surface of the split line 81 transited to the steering arm 6.
The invention integrates the steering knuckle by adopting the full flow line formed by integral forging, the whole flow line is reasonable, especially the flow line of the steering arm is regular, the steering knuckle has good mechanical property, the processing and assembling cost of the automobile steering knuckle can be reduced, the automobile steering assembly system is simplified, and the light weight of the automobile steering knuckle is realized.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a full streamline knuckle forging structure which characterized in that: the flange plate comprises a flange plate, wherein a main shaft vertical to the flange plate is downwards arranged at the bottom of the flange plate, a long main pin arm and a short main pin arm vertical to the flange plate are upwards arranged at the top of the flange plate in an extending manner, the long main pin arm and the short main pin arm are distributed on two sides of the top of the flange plate, and main pin holes which are coaxially arranged are formed in the long main pin arm and the short main pin arm;
the top of the long main pin arm is provided with a pull rod connecting arm protruding upwards; the pull rod connecting arm is axially parallel to the spindle, the outer side face of the pull rod connecting arm protrudes out of the outer side face of the long king pin arm, and the inner side face of the long king pin arm protrudes out of the inner side face of the pull rod connecting arm;
braking torque plates are horizontally arranged on two sides of the plane of the flange plate in an extending mode, distributed on two sides of the long main pin arm and connected with the long main pin arm;
a steering arm for connecting with a steering tie rod is arranged on the side arc surface of the short main pin arm in an extending manner, the steering arm is connected with the flange plate at the same time, and the lower surface of the steering arm is flush connected with the lower surface of the flange plate; the steering arm comprises a bent arm, the first end of the bent arm is connected with the lower semicircular side wall of the short main pin arm and the flange plate at the same time, the bent arm is gradually bent upwards from the first end to the second end along the vertical surface of the flange surface, and the bent arm is gradually reduced from the first end to the second end;
the flange plate, the main shaft, the long main pin arm, the short main pin arm, the pull rod connecting arm, the braking torsion plate and the steering arm are integrally forged and formed, the forging parting surface comprises a plane where the flange plate and the braking torsion plate are located, the forging parting surface is formed by transiting the plane where the flange plate and the braking torsion plate are located, extending the plane where the axes of the long main pin arm and the short main pin arm are located, and extending the forging parting surface from the short main pin arm to the steering arm.
2. The full-flow knuckle forging structure of claim 1, characterized in that: the pull rod connecting arm is provided with a first mounting hole used for being connected with the steering drag link, and the first mounting hole is perpendicular to the main pin hole and is parallel to the flange plate.
3. The full-flow knuckle forging structure of claim 1, characterized in that: and reinforcing rib plates which are simultaneously connected with the braking torsion plate and the flange plate are arranged on two sides of the long main pin arm.
4. The full-flow knuckle forging structure of any one of claims 1 to 3, wherein: and a second mounting hole for mounting the brake caliper is formed in the brake torsion plate, and the axis of the second mounting hole is parallel to the axis of the main shaft.
5. The full-flow knuckle forging structure of any one of claims 1 to 3, wherein: the steering arm further comprises a ball head, and the second end of the bent arm is connected with the ball head.
6. The full-flow knuckle forging structure of claim 5, wherein: the bulb is including the cuboid portion that is equipped with the tie rod mounting hole, the both ends of cuboid portion are the semi-cylinder structure, and the arc lateral wall of the semi-cylinder of one of them end of cuboid portion is connected with the second end of curved boom.
7. The full-flow knuckle forging structure of claim 5, wherein: the included angle formed by the parting line of the ball head and the flange is less than or equal to 85 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116846.7A CN111252138B (en) | 2020-02-25 | 2020-02-25 | Full-flow-line steering knuckle forging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116846.7A CN111252138B (en) | 2020-02-25 | 2020-02-25 | Full-flow-line steering knuckle forging structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111252138A CN111252138A (en) | 2020-06-09 |
| CN111252138B true CN111252138B (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010116846.7A Active CN111252138B (en) | 2020-02-25 | 2020-02-25 | Full-flow-line steering knuckle forging structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN111252138B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373561A (en) * | 2020-11-13 | 2021-02-19 | 安徽江淮汽车集团股份有限公司 | Knuckle structure and vehicle front axle |
| CN113734281A (en) * | 2021-09-22 | 2021-12-03 | 一汽解放汽车有限公司 | Vehicle disc type steering knuckle, steering axle and vehicle |
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| CN107813872A (en) * | 2017-09-27 | 2018-03-20 | 湖北三环锻造有限公司 | With the automotive disc knuckle and its processing technology of steering arm integral forming |
| CN207205149U (en) * | 2017-09-08 | 2018-04-10 | 庆铃汽车（集团）有限公司 | Steering knuckle forging blanking mold |
| CN208187286U (en) * | 2018-04-27 | 2018-12-04 | 庆铃汽车（集团）有限公司 | King pin hole site cubing |
| CN208289447U (en) * | 2018-04-26 | 2018-12-28 | 庆铃汽车（集团）有限公司 | Fixture for knuckle processing cotter-pin hold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE482868T1 (en) * | 2005-12-01 | 2010-10-15 | Renault Trucks | STEERING ARRANGEMENT FOR AN AUTOMOBILE |
| US20100038873A1 (en) * | 2008-08-14 | 2010-02-18 | Stoyan Stoychey | Steering knuckle with spindle and method of making same |
| US8857833B2 (en) * | 2011-11-15 | 2014-10-14 | Dana Heavy Vehicle Systems Group, Llc | Vehicle knuckle with bolt-on steer arm |
| CN203496988U (en) * | 2013-09-11 | 2014-03-26 | 上海运良转向节有限公司 | Automobile knuckle forging |
| CN106314535A (en) * | 2016-08-31 | 2017-01-11 | 芜湖市和蓄机械股份有限公司 | Automobile steering knuckle and manufacturing method thereof |
| CN207466764U (en) * | 2017-09-27 | 2018-06-08 | 湖北三环锻造有限公司 | With the spindle of steering arm integral forming |
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2020
- 2020-02-25 CN CN202010116846.7A patent/CN111252138B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207205149U (en) * | 2017-09-08 | 2018-04-10 | 庆铃汽车（集团）有限公司 | Steering knuckle forging blanking mold |
| CN107813872A (en) * | 2017-09-27 | 2018-03-20 | 湖北三环锻造有限公司 | With the automotive disc knuckle and its processing technology of steering arm integral forming |
| CN208289447U (en) * | 2018-04-26 | 2018-12-28 | 庆铃汽车（集团）有限公司 | Fixture for knuckle processing cotter-pin hold |
| CN208187286U (en) * | 2018-04-27 | 2018-12-04 | 庆铃汽车（集团）有限公司 | King pin hole site cubing |
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| CN111252138A (en) | 2020-06-09 |
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