CN115107870B - Steering tie rod using symmetrical double-diaphragm shock absorbing element and bidirectional damper - Google Patents
Steering tie rod using symmetrical double-diaphragm shock absorbing element and bidirectional damper Download PDFInfo
- Publication number
- CN115107870B CN115107870B CN202210863960.5A CN202210863960A CN115107870B CN 115107870 B CN115107870 B CN 115107870B CN 202210863960 A CN202210863960 A CN 202210863960A CN 115107870 B CN115107870 B CN 115107870B
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- pair
- ball head
- head pull
- pull rod
- damper
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 21
- 230000035939 shock Effects 0.000 title claims abstract description 12
- 238000013016 damping Methods 0.000 claims abstract description 34
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- B62D7/20—Links, e.g. track rods
Landscapes
- 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 discloses a steering tie rod using symmetrical double-diaphragm shock absorbing elements and a bidirectional damper, which comprises: the device comprises a bearing tube, a dissipation attenuation module, a pair of ball head pull rods and a pair of buffer modules; the dissipation attenuation module is arranged in the inner cavity of the bearing tube; one end of each ball head pull rod is inserted into the inner cavity at the two ends of the bearing tube, and one end of any ball head pull rod is connected with the dissipation attenuation module; the pair of buffer modules are respectively arranged at two ends of the bearing pipe, and the pair of buffer modules are respectively connected with the ball head pull rod. The invention has the characteristics of compact structure and good buffering performance, and solves the technical problems that the size of the rubber buffering element is severely limited and a good damping effect is difficult to achieve and the defects that the rubber buffering element has poor weather resistance and is easy to crack in the prior art.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a steering tie rod using a symmetrical double-diaphragm shock absorbing element and a bidirectional damper.
Background
The tie rod is one of the most important components in a vehicle steering system and mainly serves to transmit the force of a steering gear to a knuckle to perform steering work of wheels during steering of the vehicle. During the running of the vehicle, the excitation applied to the steering wheels by the road surface is transmitted to the steering wheel and the chassis via the tie rod and to the steering wheel via the steering wheel.
In the prior art, the steering tie rod is damped by arranging the rubber buffer element at the ball bearing connecting position of the steering tie rod, but because the internal structure of the steering system of the vehicle is compact and the space is limited, the size of the rubber buffer element is severely limited, the good damping effect is difficult to achieve, and the rubber buffer element has the defects of poor weather resistance and easy cracking.
Disclosure of Invention
According to an embodiment of the present invention, there is provided a tie rod using a symmetrical double diaphragm shock absorbing element and a bi-directional damper, comprising: the device comprises a bearing tube, a dissipation attenuation module, a pair of ball head pull rods and a pair of buffer modules;
the dissipation attenuation module is arranged in the inner cavity of the bearing tube;
one end of each ball head pull rod is inserted into the inner cavity at the two ends of the bearing tube, and one end of any ball head pull rod is connected with the dissipation attenuation module;
the pair of buffer modules are respectively arranged at two ends of the bearing pipe, and the pair of buffer modules are respectively connected with the ball head pull rod.
Further, the buffer module includes: the device comprises a base, a pair of elastic pieces, a pair of bowl-shaped gaskets and a pair of fastening nuts;
the base is sleeved on any ball head pull rod in a sliding way, and is fixedly connected with the inner wall of any end of the bearing pipe;
the pair of elastic pieces are sleeved on any ball head pull rod in a sliding manner, and the pair of elastic pieces are fixedly connected with two ends of the base respectively;
the pair of bowl-shaped gaskets are sleeved on any ball head pull rod in a sliding way, and the pair of bowl-shaped gaskets are respectively abutted with the pair of elastic pieces;
the pair of fastening nuts are sleeved on any ball head pull rod, the pair of fastening nuts are in threaded connection with the outer wall of the ball head pull rod, and the pair of fastening nuts are respectively connected with the pair of bowl-shaped gaskets.
Further, the elastic member is a diaphragm spring.
Further, the buffer module further comprises: the pair of limiting nuts are sleeved on the ball head pull rod, are in threaded connection with the outer wall of any ball head pull rod, are respectively located at two sides of the base, are located between the pair of elastic pieces and are used for limiting the stroke of any ball head pull rod.
Further, the dissipation decay module comprises: a bidirectional damper and a damping layer;
the two-way damper is arranged in the inner cavity of the bearing tube, and two ends of the two-way damper are respectively connected with one ends of the pair of ball head pull rods in a threaded manner;
the damping layer is arranged on the inner wall of the bearing tube, and the damping layer is in interference fit with the bidirectional damper.
Further, the damping layer is made of a material with high viscous damping characteristics.
The steering tie rod using the symmetrical double-diaphragm damping element and the bidirectional damper has the characteristics of compact structure and good damping performance, and solves the technical problems that the size of the rubber damping element is severely limited and a good damping effect is difficult to achieve in the prior art, and the rubber damping element has the defects of poor weather resistance and easiness in cracking.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
FIG. 1 is a schematic illustration of an assembly of a tie rod using a symmetrical dual diaphragm shock absorbing element with a bi-directional damper in accordance with an embodiment of the present invention;
FIG. 2 is a schematic representation of equivalent dynamics of a tie rod employing a symmetric dual diaphragm shock absorbing element and bi-directional damper in accordance with an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings, which further illustrate the present invention.
Firstly, a steering tie rod using a symmetrical double-diaphragm shock absorbing element and a bidirectional damper according to an embodiment of the present invention will be described with reference to fig. 1 to 2, for steering buffering of an automobile, and the application thereof is wide.
As shown in fig. 1, a tie rod using a symmetrical dual diaphragm shock absorbing element and a bi-directional damper according to an embodiment of the present invention includes: the device comprises a bearing tube 1, a dissipation attenuation module, a pair of ball head pull rods 2 and a pair of buffer modules.
In particular, as shown in fig. 1, the dissipative attenuation module is disposed in the interior cavity of the carrier tube 1; a pair of buffer modules are respectively arranged at two ends of the bearing tube 1, and the pair of buffer modules are respectively connected with the ball head pull rod 2, and the impact vibration transmitted to a steering machine (not shown in the figure) is buffered by a pair of buffer modules arranged at two ends of the bearing tube 1.
Further, as shown in fig. 1, the buffer module includes: a base 31, a pair of elastic members 32, a pair of bowl-shaped gaskets 33, and a pair of fastening nuts 34; the base 31 is sleeved on any ball head pull rod 2 in a sliding way, and the base 31 is fixedly connected with the inner wall of any end of the bearing tube 1; the pair of elastic pieces 32 are sleeved on any ball head pull rod 2 in a sliding way, and the pair of elastic pieces 32 are fixedly connected with two ends of the base 31 respectively and used for buffering the ball head pull rod 2; a pair of bowl-shaped gaskets 33 are slidably sleeved on any ball head pull rod 2, and the pair of bowl-shaped gaskets 33 are respectively abutted with the pair of elastic pieces 32; the pair of fastening nuts 34 are sleeved on any ball-head pull rod 2, the pair of fastening nuts 34 are in threaded connection with the outer wall of the ball-head pull rod 2, and the pair of fastening nuts 34 are respectively connected with the pair of bowl-shaped gaskets 33 and are used for driving the bowl-shaped gaskets 33 to apply steering force to the elastic piece 32; the embodiment has the characteristics of compact structure and good buffering performance, and solves the technical problems that the size of the rubber buffering element is severely limited and a good damping effect is difficult to achieve in the prior art.
Further, as shown in fig. 1, the elastic member 32 is a diaphragm spring, so that the cushioning performance of the present embodiment is further enhanced, and the defects of poor weather resistance and easy cracking of the rubber cushioning element in the prior art are overcome.
Further, as shown in fig. 1, the buffer module further includes: the pair of limit nuts 35, a pair of limit nuts 35 cover is established on bulb pull rod 2, and a pair of limit nuts 35 and the outer wall threaded connection of arbitrary bulb pull rod 2, and a pair of limit nuts 35 are located the both sides of base 31 respectively, and a pair of limit nuts 35 are located between a pair of elastic component 32 for the stroke of arbitrary bulb pull rod 2 is restricted, and under the condition that elastic component 32 became invalid, limit nuts 35 can block on base 31, prevents bulb pull rod 2 break away from base 31, guarantees the safe driving of vehicle.
Specifically, as shown in fig. 1, one ends of a pair of ball-head pull rods 2 are respectively inserted into inner cavities at two ends of a bearing tube 1, and one end of any ball-head pull rod 2 is connected with a dissipation attenuation module.
Further, as shown in fig. 1, the dissipation decay module comprises: a bidirectional damper 41 and a damping layer 42; the bidirectional damper 41 is arranged in the inner cavity of the bearing tube 1, two ends of the bidirectional damper 41 are respectively in threaded connection with one ends of a pair of ball head pull rods 2, and when the ball head pull rods 2 transmit steering force to the bidirectional damper 41, the bidirectional damper 41 dissipates and attenuates vibration energy transmitted by the ball head pull rods 2, so that impact and vibration in a steering system are attenuated on the premise that the overall arrangement of the steering system of the vehicle is not changed; the damping layer 42 is arranged on the inner wall of the bearing tube 1, the damping layer 42 is in interference fit with the bidirectional damper 41, energy dissipation is carried out on the embodiment, resonance of internal parts of the embodiment is prevented, and heat generated by energy dissipation is emitted through the bearing tube 1.
Further, as shown in fig. 1, the damping layer 42 is made of a material having high viscous damping characteristics, such as special particle rubber.
When the automobile turns in the driving process, the generated turning force is transmitted to any ball-head pull rod 2, the ball-head pull rod 2 transmits the turning force to the bidirectional damper 41, meanwhile, the ball-head pull rod 2 moves along the axial direction of the bearing tube 1, the ball-head pull rod 2 drives a pair of fastening nuts 34, a pair of limiting nuts 35 and a pair of bowl-shaped gaskets 33 sleeved on the ball-head pull rod 2 to synchronously move, and in the moving process of the ball-head pull rod 2, the fastening nuts 34 drive the bowl-shaped gaskets 33 to apply the turning force to the elastic piece 32, so that the elastic piece 32 is stressed to deform and buffer the ball-head pull rod 2; when the ball-end tie rod 2 transmits steering force to the bidirectional damper 41, the bidirectional damper 41 dissipates and damps vibration energy transmitted from the ball-end tie rod 2.
As shown in fig. 2, a dynamics model diagram of the present embodiment is shown, where the dynamics model includes: three mass models (i.e., meff1, M2, and Meff 2), two linear elastic models (i.e., K1 and K2), and two common damping models (i.e., C1 and C2); the corresponding explanation of the parts is as follows:
meff1 and Meff2 represent the mass of the suspension in the bilaterally symmetrical double-diaphragm vibration reduction element, i.e. the sum of the masses of the ball stud 2, the fastening nut 34, the bowl washer 33 and the limit nut 35, respectively.
M2 represents the equivalent mass of the base part of the tie rod, i.e. the sum of the masses of the damping layer 42 and the carrier tube 1.
K1 and K2 represent the total stiffness of the elastic members 32 in the double sided cushion module, respectively.
C1 represents the damping amount of the built-in bidirectional damper 41.
C2 represents the relative axial sliding damping amount between the bi-directional damper 41 and the carrier pipe 1 due to the damping layer 42.
The user can change the small values of K1, K2 by increasing or decreasing the thickness of the diaphragm spring, the cone angle of the diaphragm spring, and changing the material of the diaphragm spring; the user can adjust the magnitude of the C1 value by increasing or decreasing the damping amount of the bi-directional damper 41; the user can adjust the magnitude of the C2 value by changing the material of the damping layer 42 and adjusting the fit interference of the bi-directional damper 41 and the damping layer 42.
The steering tie rod using the symmetrical double-diaphragm damping element and the bidirectional damper according to the embodiment of the invention has the characteristics of compact structure and good damping performance, and solves the technical problems that the size of the rubber damping element is severely limited and a good damping effect is difficult to achieve and the defects that the rubber damping element has poor weather resistance and is easy to crack in the prior art.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention. Many modifications and substitutions of the present invention will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (2)
1. A tie rod employing a symmetrical dual diaphragm shock absorbing element and a bi-directional damper, comprising: the device comprises a bearing tube, a dissipation attenuation module, a pair of ball head pull rods and a pair of buffer modules;
the dissipation attenuation module is arranged in the inner cavity of the bearing tube;
one end of each ball head pull rod is inserted into the inner cavities at two ends of the bearing pipe respectively, and one end of any ball head pull rod is connected with the dissipation attenuation module;
the pair of buffer modules are respectively arranged at two ends of the bearing pipe and are respectively connected with the ball head pull rod;
the buffer module comprises: the device comprises a base, a pair of elastic pieces, a pair of bowl-shaped gaskets and a pair of fastening nuts;
the base is sleeved on any ball head pull rod in a sliding way, and the base is fixedly connected with the inner wall of any end of the bearing pipe;
the pair of elastic pieces are sleeved on any ball head pull rod in a sliding way, the pair of elastic pieces are fixedly connected with two ends of the base respectively, and the elastic pieces are diaphragm springs;
the pair of bowl-shaped gaskets are sleeved on any one of the ball head pull rods in a sliding way, and the pair of bowl-shaped gaskets are respectively abutted with the pair of elastic pieces;
the pair of fastening nuts are sleeved on any ball head pull rod, the pair of fastening nuts are in threaded connection with the outer wall of the ball head pull rod, and the pair of fastening nuts are respectively connected with the pair of bowl-shaped gaskets;
the dissipation attenuation module includes: a bidirectional damper and a damping layer;
the two-way damper is arranged in the inner cavity of the bearing pipe, and two ends of the two-way damper are respectively connected with one ends of the pair of ball head pull rods in a threaded manner;
the damping layer is arranged on the inner wall of the bearing pipe, and the damping layer is in interference fit with the bidirectional damper.
2. The tie rod of claim 1 using a symmetrical dual diaphragm shock absorbing element and a bi-directional damper, wherein the shock absorbing module further comprises: the pair of limit nuts are sleeved on the ball head pull rod, the pair of limit nuts are in threaded connection with the outer wall of any ball head pull rod, the pair of limit nuts are respectively located on two sides of the base, and the pair of limit nuts are located between the pair of elastic pieces and used for limiting the stroke of any ball head pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863960.5A CN115107870B (en) | 2022-07-21 | 2022-07-21 | Steering tie rod using symmetrical double-diaphragm shock absorbing element and bidirectional damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863960.5A CN115107870B (en) | 2022-07-21 | 2022-07-21 | Steering tie rod using symmetrical double-diaphragm shock absorbing element and bidirectional damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115107870A CN115107870A (en) | 2022-09-27 |
| CN115107870B true CN115107870B (en) | 2024-01-09 |
Family
ID=83333183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210863960.5A Active CN115107870B (en) | 2022-07-21 | 2022-07-21 | Steering tie rod using symmetrical double-diaphragm shock absorbing element and bidirectional damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115107870B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990030131U (en) * | 1997-12-29 | 1999-07-26 | 정몽규 | Rear wheel steering limiter of heavy truck |
| US6257563B1 (en) * | 1997-10-11 | 2001-07-10 | Trw Fahrwerksysteme Gmbh & Co. Kg | Damper for vehicle components |
| KR20030016841A (en) * | 2001-08-22 | 2003-03-03 | 현대자동차주식회사 | tie-rod structure of steering system |
| KR20060101983A (en) * | 2005-03-22 | 2006-09-27 | 주식회사 만도 | Tie rod of automobile steering system |
| KR20070024265A (en) * | 2005-08-26 | 2007-03-02 | 주식회사 만도 | Tie rod of steering apparatus for vehicle equipped with damper |
| JP2014201302A (en) * | 2013-04-02 | 2014-10-27 | 元浩 岡田 | Fuel-saving steering device |
| CN107878559A (en) * | 2016-09-29 | 2018-04-06 | 长城汽车股份有限公司 | Track rod attachment structure |
| CN207257772U (en) * | 2017-07-20 | 2018-04-20 | 淮安摩力克国际贸易有限公司 | A kind of dedicated power steering apparatus of electric automobile |
| CN112141208A (en) * | 2019-06-26 | 2020-12-29 | 广州汽车集团股份有限公司 | Vehicle steering control structure, vehicle suspension structure and vehicle |
| CN112498478A (en) * | 2020-09-30 | 2021-03-16 | 北汽福田汽车股份有限公司 | Drag link, steering mechanism, vehicle and control method of steering mechanism |
| CN216269514U (en) * | 2021-09-22 | 2022-04-12 | 一汽解放汽车有限公司 | Pull rod assembly, steering pull rod device, damping device and vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7317695B2 (en) * | 2019-12-26 | 2023-07-31 | トヨタ自動車株式会社 | steering device |
-
2022
- 2022-07-21 CN CN202210863960.5A patent/CN115107870B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257563B1 (en) * | 1997-10-11 | 2001-07-10 | Trw Fahrwerksysteme Gmbh & Co. Kg | Damper for vehicle components |
| KR19990030131U (en) * | 1997-12-29 | 1999-07-26 | 정몽규 | Rear wheel steering limiter of heavy truck |
| KR20030016841A (en) * | 2001-08-22 | 2003-03-03 | 현대자동차주식회사 | tie-rod structure of steering system |
| KR20060101983A (en) * | 2005-03-22 | 2006-09-27 | 주식회사 만도 | Tie rod of automobile steering system |
| KR20070024265A (en) * | 2005-08-26 | 2007-03-02 | 주식회사 만도 | Tie rod of steering apparatus for vehicle equipped with damper |
| JP2014201302A (en) * | 2013-04-02 | 2014-10-27 | 元浩 岡田 | Fuel-saving steering device |
| CN107878559A (en) * | 2016-09-29 | 2018-04-06 | 长城汽车股份有限公司 | Track rod attachment structure |
| CN207257772U (en) * | 2017-07-20 | 2018-04-20 | 淮安摩力克国际贸易有限公司 | A kind of dedicated power steering apparatus of electric automobile |
| CN112141208A (en) * | 2019-06-26 | 2020-12-29 | 广州汽车集团股份有限公司 | Vehicle steering control structure, vehicle suspension structure and vehicle |
| CN112498478A (en) * | 2020-09-30 | 2021-03-16 | 北汽福田汽车股份有限公司 | Drag link, steering mechanism, vehicle and control method of steering mechanism |
| CN216269514U (en) * | 2021-09-22 | 2022-04-12 | 一汽解放汽车有限公司 | Pull rod assembly, steering pull rod device, damping device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115107870A (en) | 2022-09-27 |
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