CN106671716B - Novel air spring independent suspension steering tie rod locking structure - Google Patents
Novel air spring independent suspension steering tie rod locking structure Download PDFInfo
- Publication number
- CN106671716B CN106671716B CN201710129080.4A CN201710129080A CN106671716B CN 106671716 B CN106671716 B CN 106671716B CN 201710129080 A CN201710129080 A CN 201710129080A CN 106671716 B CN106671716 B CN 106671716B
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- bearing
- steering
- locking structure
- suspension
- clamp spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/008—Attaching arms to unsprung part of vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/005—Ball joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a novel air spring independent suspension steering pull rod locking structure which comprises a steering pull rod, a ball pin and a suspension stage member, wherein the steering pull rod is hinged with a ball head of the ball pin, a mounting hole is formed in the suspension stage member, a bearing device is arranged in the mounting hole, and after a pin part of the ball pin passes through the bearing device, the ball pin is locked and fixed with the suspension stage member by a nut. When the vehicle turns, the ball pin on the steering pull rod rotates in the suspension frame assembly through the bearing device, so that the resistance moment between the steering pull rods is greatly reduced, the transmission efficiency between the steering pull rods is improved, and the steering return performance of the air spring independent suspension is greatly improved.
Description
Technical Field
The invention relates to the technical field of automobile steering, in particular to a novel air spring independent suspension steering pull rod locking structure.
Background
At present, the steering pull rod of the double-wishbone low-entrance suspension steering system in the market of the passenger car is more, the steering pull rod is mainly connected with a raising member through a ball pin, and is fixed by adopting a fastening type locking structure, as shown in fig. 1, the steering pull rod 1a is hinged with a ball head of the ball pin 2a, mounting holes are formed in the raising member such as the transition rocker arm 3a, and after a pin part 21a of the ball pin 2a passes through the mounting holes, the ball pin 2a is locked and fixed with the transition rocker arm 3a through a nut 4 a.
However, the steering rod locking structure has poor force transmission efficiency in the steering process, and if the manufacturing process of the ball head is not good, the ball head has high rotational rigidity, and a large moment is required to overcome the resistance between steering rod systems in the steering process. In particular, for steering return performance, because the suspension arrangement is fixed, the ball of the steering tie overcomes the relatively large internal rotational resistance of the steering tie as the intermediate transition rocker swings during steering, and when the dual wishbone low entry suspension steering tie is relatively large, the resistance to be overcome during steering is greater when the ball rotational resistances of so many steering ties are added together, and the return torque provided by the wheels is required to overcome these large steering system transmission resistances, thereby resulting in poor steering return performance of the dual wishbone low entry suspension.
Disclosure of Invention
The invention provides a novel air spring independent suspension steering pull rod locking structure, which aims to solve the problems of large rotation resistance between steering rod systems of the existing independent suspension, low torque transmission efficiency, poor return performance of a double-cross arm low-inlet suspension and the like.
The invention adopts the following technical scheme:
the utility model provides a novel air spring independent suspension steering rod locking structure, includes steering rod, bulb round pin and suspension and steps a, steering rod is articulated with the bulb of bulb round pin, set up the mounting hole on the suspension steps a, be equipped with a bearing device in the mounting hole, the round pin portion of bulb round pin passes behind the bearing device, it is fixed with bulb round pin and suspension locking by a nut.
Further, the bearing device comprises a bearing, a clamp spring for a hole, a bushing and a flat washer, wherein the clamp spring for the hole is fixedly installed in the installation hole, the bearing sleeve is arranged in the installation hole and limited by the clamp spring for the hole, the bushing is arranged in the bearing in a sleeved mode, the flat washer is tightly attached to the bushing and the bottom surface of the bearing, and the pin part of the ball pin penetrates through the bushing and the flat washer and is locked by the nut.
Further, the bearing comprises an upper bearing and a lower bearing, the clamp spring for the hole comprises a clamp spring for the first hole and a clamp spring for the second hole, the clamp spring for the first hole and the clamp spring for the second hole are fixedly installed in the middle of the installation hole at intervals, the upper bearing is arranged above the clamp spring for the first hole, and the lower bearing is arranged below the clamp spring for the second hole.
Further, a flange extends outwards from the top of the bushing, and the bottom surface of the flange is abutted against the top surface of the bearing.
Further, the suspension stage is a transition rocker arm.
Further, the nut is a slotted nut.
As can be seen from the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
according to the novel air spring independent suspension steering rod locking structure, in the steering process of a vehicle, along with the swing of the transition rocker arm, when the steering force on the transition rocker arm is transmitted to the steering rod through the ball head pin, the ball head pin on the steering rod rotates in the transition rocker arm through the upper bearing and the lower bearing, and the static sliding friction force to be overcome by the pin part of the original ball head pin and the rotating resistance to be overcome by the ball head are respectively converted into rolling friction force with smaller resistance coefficient, so that the resistance moment between the steering rods is greatly reduced, the transmission efficiency between the steering rods is improved, and especially in the steering return process, the rotating resistance superposition of the steering rod can be greatly reduced, and the steering return performance of the double-cross arm low-inlet suspension is greatly improved.
Drawings
FIG. 1 is a schematic view of a prior art steering tie rod locking mechanism;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention.
Detailed Description
The following describes the implementation of the embodiment of the present invention with reference to the drawings.
Referring to fig. 2 and 3, a novel air spring independent suspension steering rod locking structure comprises a steering rod 1, a ball pin 2 and a suspension stage, wherein the suspension stage is a transition rocker arm 3 in the embodiment. The steering pull rod 1 is hinged with the ball head of the ball pin 2, the transition rocker arm 3 is provided with a mounting hole 4, a bearing device 5 is arranged in the mounting hole 4, and after the pin part 21 of the ball pin 2 passes through the bearing device 5, the ball pin 2 and the transition rocker arm 3 are locked and fixed by a slotted nut 6.
Referring to fig. 2 and 3, the bearing device 5 includes an upper bearing 51, a lower bearing 52, a first hole clamp spring 53, a second hole clamp spring 54, a bush 55, and a plain washer 56. The first hole clamp spring 53 and the second hole clamp spring 54 are fixedly installed in the middle of the installation hole 4 at intervals, the upper bearing 51 and the lower bearing 52 are respectively sleeved in the installation hole 4, the upper bearing 51 is arranged above the first hole clamp spring 53 and limited by the first hole clamp spring 53, the lower bearing 52 is arranged below the second hole clamp spring 54 and limited by the second hole clamp spring 54. The bushing 55 is sleeved in the upper bearing 51 and the lower bearing 52 in a penetrating way, a flange 57 extends outwards from the top of the bushing 55, the bottom surface of the flange 57 is abutted against the top surface of the upper bearing 51, and the bottom surface of the bushing 55 is flush with the bottom surface of the lower bearing 52. The flat washer 56 abuts against the bottom surfaces of the bush 55 and the lower bearing 52, and the pin portion 21 of the ball stud 2 passes through the bush 55 and the flat washer 56 and is locked by the slotted nut 6.
Referring to fig. 2 and 3, in the steering process of the vehicle, as the transition rocker arm 3 swings, when the steering force on the transition rocker arm 3 is transmitted to the steering pull rod 1 through the ball pin 2, the ball pin 2 on the steering pull rod 1 rotates in the transition rocker arm 3 through the upper and lower bearings (51 and 52), static sliding friction force to be overcome by the pin part 21 of the original ball pin 2 and rotating resistance to be overcome by the ball are respectively converted into rolling friction force with smaller resistance coefficient, so that the resistance moment between the steering pull rods 1 is greatly reduced, the transmission efficiency between the steering pull rods 1 is improved, and especially when the steering is turned back, the locking structure can greatly reduce the rotating resistance superposition of the steering pull rod 1, thereby greatly improving the steering return performance of the double-cross arm low-inlet suspension.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a novel air spring independent suspension steering rod locking structure, includes steering rod, bulb round pin and suspension and steps the piece, the steering rod is articulated with the bulb of bulb round pin, set up the mounting hole on the suspension steps the piece, its characterized in that: the mounting hole is internally provided with a bearing device, and after the pin part of the ball pin passes through the bearing device, the ball pin and the suspension bracket are locked and fixed by a nut.
2. The novel air spring independent suspension steering tie rod locking structure according to claim 1, wherein: the bearing device comprises a bearing, a clamp spring for a hole, a bushing and a flat washer, wherein the clamp spring for the hole is fixedly installed in the installation hole, the bearing is sleeved in the installation hole and limited by the clamp spring for the hole, the bushing is sleeved in the bearing, the flat washer is tightly attached to the bushing and the bottom surface of the bearing, and the pin part of the ball head pin penetrates through the bushing and the flat washer and is locked by the nut.
3. The novel air spring independent suspension steering tie rod locking structure according to claim 2, wherein: the bearing comprises an upper bearing and a lower bearing, the clamp springs for the holes comprise a first clamp spring for the holes and a second clamp spring for the holes, the first clamp spring for the holes and the second clamp spring for the holes are fixedly installed in the middle of the installation hole at intervals, the upper bearing is arranged above the first clamp spring for the holes, and the lower bearing is arranged below the second clamp spring for the holes.
4. The novel air spring independent suspension steering tie rod locking structure according to claim 2, wherein: the top of the bushing extends outwards to form a flange, and the bottom surface of the flange is abutted against the top surface of the bearing.
5. The novel air spring independent suspension steering tie rod locking structure according to claim 1 or 2, wherein: the suspension stage is a transition rocker arm.
6. The novel air spring independent suspension steering tie rod locking structure according to claim 1 or 2, wherein: the nut is a slotted nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129080.4A CN106671716B (en) | 2017-03-06 | 2017-03-06 | Novel air spring independent suspension steering tie rod locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129080.4A CN106671716B (en) | 2017-03-06 | 2017-03-06 | Novel air spring independent suspension steering tie rod locking structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106671716A CN106671716A (en) | 2017-05-17 |
| CN106671716B true CN106671716B (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129080.4A Active CN106671716B (en) | 2017-03-06 | 2017-03-06 | Novel air spring independent suspension steering tie rod locking structure |
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| Country | Link |
|---|---|
| CN (1) | CN106671716B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019130169A1 (en) * | 2019-11-08 | 2021-05-12 | Bayerische Motoren Werke Aktiengesellschaft | Front wheel guidance for a single-track motor vehicle |
| CN110800408B (en) * | 2019-11-29 | 2022-09-27 | 怀化职业技术学院 | Wheel steering device and mini-tiller |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2164386Y (en) * | 1993-05-08 | 1994-05-11 | 乔世才 | Joint assembly for rod of stirring structure |
| JP2015000635A (en) * | 2013-06-14 | 2015-01-05 | 株式会社ジェイテクト | Steering device |
| CN203920426U (en) * | 2014-02-07 | 2014-11-05 | 同济大学 | For integrated pair of trailing arm suspension fork wheel edge power drive system of wheel flutter |
| CN203846051U (en) * | 2014-04-17 | 2014-09-24 | 中冶华天工程技术有限公司 | Double-spherical-hinge stud type converter connection device |
| CN206690817U (en) * | 2017-03-06 | 2017-12-01 | 厦门金龙联合汽车工业有限公司 | A kind of novel air spring independent suspension steering linkage locking mechanism |
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2017
- 2017-03-06 CN CN201710129080.4A patent/CN106671716B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106671716A (en) | 2017-05-17 |
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