CN110735851B - Steering tie rod ball head structure and steering tie rod assembly - Google Patents
Steering tie rod ball head structure and steering tie rod assembly Download PDFInfo
- Publication number
- CN110735851B CN110735851B CN201911180821.7A CN201911180821A CN110735851B CN 110735851 B CN110735851 B CN 110735851B CN 201911180821 A CN201911180821 A CN 201911180821A CN 110735851 B CN110735851 B CN 110735851B
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- Prior art keywords
- elastic
- tie rod
- ball
- steering
- pressure plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
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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
- B62D7/16—Arrangement of linkage connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/08—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints with resilient bearings
Abstract
The invention discloses a steering tie rod ball head structure, comprising: the steering pull rod is provided with an installation groove; the ball pin comprises a pin rod and a spherical head arranged at the end part of the pin rod, and the spherical head is arranged in the mounting groove; and the elastic base comprises a pressure plate structure and an elastic structure which are sequentially arranged at the end part of the mounting groove of the steering pull rod, the pressure plate structure corresponds to the spherical head, and the elastic structure is abutted to the pressure plate structure. The invention also provides a steering tie rod assembly on the basis of the steering tie rod ball head structure, which comprises the steering tie rod ball head structure; the invention provides a steering tie rod ball head structure and a steering tie rod, and aims to solve the problems that in the prior art, the steering tie rod ball head structure is easy to wear, so that the damping of a steering system is continuously reduced, and the driving safety is influenced.
Description
Technical Field
The invention relates to the field of ball pin joints, in particular to a steering tie rod ball head structure and a steering tie rod assembly.
Background
In a modern automobile steering system, wheel steering is performed through connection of components such as a drag link or a tie rod, steering bulbs with different structures exist in the steering link, and one end of each bulb can perform three-degree-of-freedom spherical rotation motion around the corresponding tie rod. The steering tie rod ball mainly functions to transfer the motion and load of the tie rod and the two end parts of the ball, and the relative motion process of the steering tie rod ball is accompanied by the damping which cannot be eliminated, wherein the damping is generated under the action of pressure and relative rotation of the ball head and the tie rod. Due to the acting force, abrasion which cannot be eliminated exists between the ball head and the pull rod, the abrasion is increased, and meanwhile, the damping of the ball head of the pull rod is reduced. The damping of the tie rod ball head is reduced, namely the damping of a steering system is reduced. Along with the vehicle uses, the damping of a steering system constantly reduces, the whole vehicle can have the problem of drifting in steering and inaccurate steering in different degrees, and a user has great safety accident risk in the high-speed driving process in serious cases.
Disclosure of Invention
The invention discloses a steering tie rod ball head structure and a steering tie rod assembly, and aims to solve the problems that in the prior art, the steering tie rod ball head structure is easy to wear, so that the damping of a steering system is continuously reduced, and the driving safety is influenced.
To achieve the above object, the present invention provides a tie rod ball structure, comprising:
the steering pull rod is provided with an installation groove;
the ball pin comprises a pin rod and a spherical head arranged at the end part of the pin rod, and the spherical head is arranged in the mounting groove; and
the elastic base comprises a pressure plate structure and an elastic structure which are sequentially arranged at the end part of the mounting groove of the steering pull rod, the pressure plate structure corresponds to the spherical head, and the elastic structure is abutted to the pressure plate structure.
Optionally, the elastic structure includes an end cover detachably connected to the end portion of the mounting groove, and an elastic member disposed on the end cover, and the elastic member abuts against the pressure plate structure.
Optionally, the elastic member includes a compressed spring structure disposed on the end cover;
the pressure spring structure is including locating elasticity bottom plate on the end cover, and locate a plurality of elastic claw on the elasticity bottom plate, the elastic claw with pressure disk structure butt.
Optionally, the elastic bottom plate is an annular elastic plate, the elastic claws are annularly arranged on the annular elastic plate, and the end portions of the elastic claws are close to the center of the annular elastic plate.
Optionally, each elastic claw includes a claw body extending obliquely from the annular elastic plate to the pressure plate structure, and a claw head disposed at an end of the claw body, and the claw head abuts against the pressure plate structure.
Optionally, the claw heads are of a horizontal plate-shaped structure, and the claw heads of the plurality of elastic claws are located on the same plane.
Optionally, the elastic member includes a compression spring disposed on the end cover, and the compression spring abuts against the pressure plate structure.
Optionally, a limiting ring is arranged on the outer side of the notch of the mounting groove of the steering pull rod in a protruding mode, and the end cover is buckled in the limiting ring.
Optionally, the pressing plate structure comprises a ball seat and a pressing plate which are arranged in the mounting groove, the spherical head is arranged in the ball seat, and the pressing plate is abutted to the bottom of the ball seat and the bottom of the spherical head.
On the basis of the steering tie rod ball head structure, the invention also provides a steering tie rod assembly which comprises the steering tie rod ball head structure.
In the technical scheme provided by the invention, the steering pull rod ball head structure comprises an elastic base, the elastic base comprises a pressure plate structure and an elastic structure which are sequentially arranged at the end part of the mounting groove of the steering pull rod, the pressure plate structure corresponds to the spherical head, and the elastic structure is abutted against the pressure plate structure. The elastic structure is abutted to the pressure plate structure, so that the pressure plate structure is tightly attached to the spherical head, and stronger pretightening force is achieved. Among the conventional art, pressure disk structure can produce wearing and tearing in the car use, and the gap grow between spherical head and the pressure disk structure, the laminating is not inseparable, causes the car to turn to and sends out the scheduling problem that wafts. The elastic structure has elasticity, can adjust the elasticity in a self-adaptive manner, and ensures the bonding effect of the spherical head and the pressure plate structure, so that the damping of the spherical head is always controlled within a certain range, the steering effect is ensured, and the driving safety of a user is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a structure of a tie rod ball according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a side view structure of a compression spring of the tie rod ball head structure according to the embodiment of the invention;
FIG. 3 is a schematic diagram of a schematic top view structure of a compression spring of the ball head structure of the tie rod according to the embodiment of the invention;
fig. 4 is a partially enlarged schematic view of a ball head structure of a tie rod according to an embodiment of the present invention.
Description of the reference numerals
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In a steering system, wheel steering is performed through connection of components such as a drag link or a tie rod, steering bulbs with different structures exist in the steering link, and one end of each bulb can perform three-degree-of-freedom spherical rotation motion around the link. The steering tie rod ball mainly functions to transfer the motion and load of the tie rod and the two end parts of the ball, and the relative motion process of the steering tie rod ball is accompanied by the damping which cannot be eliminated, wherein the damping is generated under the action of pressure and relative rotation of the ball head and the tie rod. Due to the acting force, abrasion which cannot be eliminated exists between the ball head and the pull rod, the abrasion is increased, and meanwhile, the damping of the ball head of the pull rod is reduced. The damping of the tie rod ball head is reduced, namely the damping of a steering system is reduced. Along with the vehicle uses, the damping of a steering system constantly reduces, the whole vehicle can have the problem of drifting in steering and inaccurate steering in different degrees, and a user has great safety accident risk in the high-speed driving process in serious cases.
In view of the above, the present invention provides a tie rod ball structure, and fig. 1 is a schematic diagram of the tie rod ball structure according to the embodiment of the present invention; FIG. 2 is a schematic diagram of a schematic top view structure of a pressure spring of the tie rod ball head structure according to the embodiment of the invention; FIG. 3 is a schematic diagram of a side view structure of a compression spring of the tie rod ball head structure according to the embodiment of the invention; fig. 4 is a partially enlarged schematic view of a ball head structure of a tie rod according to an embodiment of the present invention.
Referring to fig. 1, in the present embodiment, a tie rod ball structure 1000 includes: the steering linkage 100 is provided with an installation groove 110; as mentioned above, in the modern automobile steering system, the wheel steering needs to be connected to the steering rod or the tie rod for steering, the steering rod 100 in this embodiment is used to connect to other components for steering, and the embodiment is not limited to the tie rod or the tie rod specifically; further, a ball pin 200 is installed in the installation groove 110, the ball pin 200 includes a pin rod 220 and a ball head 210 disposed at an end of the pin rod 220, the ball head 210 is installed in the installation groove 110 and can perform three-degree-of-freedom spherical rotation motion around the tie rod 100; an elastic base 300 is arranged at the lower end of the spherical head 210, the elastic base 300 comprises a pressure plate structure 310 and an elastic structure 320 which are sequentially arranged at the end part of the installation groove 110 of the steering pull rod 100, and the inner surface of the pressure plate 312 structure 310 is spherical and corresponds to the spherical head 210; the elastic structure 320 is installed under the platen structure 310 and abuts against the platen structure 310. It should be noted that, the present invention mainly improves the pressure plate structure 310, and by setting the elastic pressure plate structure 310, it is able to provide adaptive pre-tightening force for the spherical head 210 structure, and ensure that the damping of the ball head structure 1000 of the steering linkage 100 is maintained within a certain range, thereby ensuring driving safety.
As mentioned above, the elastic base 300 includes the pressure plate structure 310 and the elastic structure 320 which are sequentially installed at the end of the installation groove 110 of the steering linkage 100, and in particular, refer to fig. 1: the elastic structure 320 includes an end cover 322 detachably connected to the end of the mounting groove 110, and an elastic element 321 disposed on the end cover 322, it can be understood that the elastic element 321 is disposed between the platen structure 310 and the end cover 322, and the elastic element 321 abuts against the platen structure 310, and the elastic element 321 is pressed by the end cover 322, so that the elastic element 321 can generate elastic deformation, provide upward pretightening force for the platen structure 310, ensure the fitting effect of the spherical head 210 and the platen structure 310, and achieve the above implementation effect.
Specifically, in the present embodiment, the elastic member 321 includes a compressed spring structure 323 disposed on the end cap 322; referring to fig. 2, the pressure spring structure 323 includes an elastic bottom plate 324 disposed on the end cover 322, and a plurality of elastic claws 325 disposed on the elastic bottom plate 324, and the elastic claws 325 abut against the platen structure 310. It will be appreciated that the resilient base 324 is able to make a more snug contact with the end cap 322, and the resilient fingers 325 disposed on the resilient base 324 provide a resilient force to the entire resilient member 321.
Further, the elastic bottom plate 324 is a ring-shaped elastic plate 326, the elastic claws 325 are annularly arranged on the ring-shaped elastic plate 326, and the ends of the elastic claws 325 are close to the center of the ring-shaped elastic plate 326. Referring to fig. 2 and 3, the elastic claws 325 are annularly distributed on the annular elastic plate 326, and are uniformly distributed like a petal-shaped structure in a top view. It should be noted that the elastic claws 325 uniformly distributed in a ring shape provide uniform elastic force for the platen structure 310, so that each part of the platen structure 310 can be uniformly stressed, the pressure of the platen structure 310 in each direction on the spherical head 210 is almost consistent, and the two parts are attached more tightly, thereby achieving a better implementation effect.
Further, each elastic claw 325 includes a claw body 327 extending from the annular elastic plate 326 in a direction inclined toward the platen structure 310, and a claw head 328 provided at an end of the claw body 327, wherein the claw body 327 is fixedly connected to the annular elastic plate 326, and the claw head 328 abuts against the platen structure 310. Because the claw head 328 is obliquely arranged, the installed pressing plate structure 310 generates downward pressure on the claw head 328, the claw body 327 generates elastic deformation, and upward elastic force is provided for the pressing plate 312 structure 310, so that the pressing plate structure 310 is tightly attached to the spherical head 210.
Specifically, in the embodiment, the claw heads 328 are configured as a horizontal plate, and the claw heads 328 of the plurality of elastic claws 325 are located on the same plane. Referring to fig. 4, the claw head 328 is in the shape of a horizontal plate, and the horizontal surface of the claw head 328 abuts against the platen structure 310. It will be appreciated that the horizontal plate-like fingers 328 are in closer contact with the platen structure 310, and are able to better transmit the spring force. Meanwhile, the contact between the horizontal plate-shaped claw head 328 and the pressure plate structure 310 is more attached, so that the whole device is more stable, and the implementation effect is guaranteed. It should be noted that, in the present embodiment, the elastic claw 325 and the annular elastic plate 326 may be integrally formed.
Further, in this embodiment, the elastic member 321 may be a compression spring provided on the end cap 322, and the compression spring abuts against the platen structure 310. The spring can also provide pre-tightening force for the pressure plate structure 310, and the specific arrangement of the present embodiment is not described in detail.
Because the elastic member 321 is added to the base of the present invention, the elastic member 321 will generate a repulsive force to the end cap 322 and is not easy to mount, please refer to fig. 1, the outer side of the notch of the mounting groove 110 of the steering linkage 100 is protrudingly provided with the limit ring 111, and the end cap 322 is buckled in the limit ring 111, thereby ensuring the stability of the whole device. It should be noted that the stop collar 111 is not the only embodiment, and a detachable snap or a clamp capable of generating plastic deformation may be used as an embodiment.
Referring to fig. 1, in the embodiment, the pressing plate structure 310 includes a ball seat 311 and a pressing plate 312 disposed in the mounting groove 110, an inner side surface of the ball seat 311 is formed in a spherical shape, the ball head 210 is disposed in the ball seat 311, and the pressing plate 312 abuts against bottoms of the ball seat 311 and the ball head 210 to provide a pre-tightening force to the ball head 210 for the ball seat 311. It can be understood that, in the present invention, the elastic element 321 indirectly provides the ball seat 311 with a pre-tightening force to the ball head 210 through the pressure plate 312, which ensures that the ball head 210 can work in the ball seat 311 in a manner of maintaining a certain range of damping.
According to the technical scheme, the steering pull rod ball head structure comprises an elastic base, the elastic base comprises a pressure plate structure and an elastic structure, the pressure plate structure and the elastic structure are sequentially arranged at the end part of the installation groove of the steering pull rod, the pressure plate structure corresponds to the spherical head, and the elastic structure is abutted to the pressure plate structure. Elastic construction butt pressure disk structure for pressure disk structure and bulb laminating are inseparable, have stronger pretightning force. Among the conventional art, pressure disk structure can produce wearing and tearing in the car use, and the gap grow between spherical head and the pressure disk structure, the laminating is not inseparable, causes the car to turn to and sends out the scheduling problem that wafts. The elastic structure has elasticity, can adjust the elasticity in a self-adaptive manner, and ensures the bonding effect of the spherical head and the pressure plate structure, so that the damping of the spherical head is always controlled within a certain range, the steering effect is ensured, and the driving safety of a user is further ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A tie rod ball structure, comprising:
the steering pull rod is provided with an installation groove;
the ball pin comprises a pin rod and a spherical head arranged at the end part of the pin rod, and the spherical head is arranged in the mounting groove; and the number of the first and second groups,
the elastic base comprises a pressure plate structure and an elastic structure which are sequentially arranged at the end part of the mounting groove of the steering pull rod, the pressure plate structure corresponds to the spherical head, and the elastic structure is abutted against the pressure plate structure;
the elastic structure comprises an end cover detachably connected to the end part of the mounting groove and an elastic piece arranged on the end cover, and the elastic piece is abutted against the pressure plate structure; the elastic part comprises a pressure spring structure arranged on the end cover; the pressure spring structure comprises an elastic bottom plate arranged on the end cover and a plurality of elastic claws arranged on the elastic bottom plate, and the elastic claws are abutted with the pressure plate structure;
the elastic bottom plate is an annular elastic plate, the elastic claws are annularly arranged on the annular elastic plate, and the end parts of the elastic claws are close to the center of the annular elastic plate.
2. The tie-rod ball structure according to claim 1, wherein each of the elastic claws includes a claw body extending obliquely from the annular elastic plate toward the pressure plate structure, and a claw head provided at an end of the claw body, the claw head abutting against the pressure plate structure.
3. The tie-rod ball structure according to claim 2, wherein the claw head is formed in a horizontal plate-like structure, and the claw heads of the plurality of elastic claws are located on the same plane.
4. The tie rod ball structure of claim 1, wherein the resilient member comprises a compression spring disposed on the end cap, the compression spring abutting the pressure plate structure.
5. The tie-rod ball structure of claim 1, wherein a limit ring is arranged on the outer side of the notch of the mounting groove of the tie-rod, and the end cover is buckled in the limit ring.
6. The tie rod ball structure of claim 1, wherein the platen structure includes a ball seat and a platen disposed in the mounting groove, the ball head being disposed in the ball seat, the platen abutting against a bottom of the ball seat and the ball head.
7. A tie rod assembly comprising a tie rod ball structure according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180821.7A CN110735851B (en) | 2019-11-26 | 2019-11-26 | Steering tie rod ball head structure and steering tie rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180821.7A CN110735851B (en) | 2019-11-26 | 2019-11-26 | Steering tie rod ball head structure and steering tie rod assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110735851A CN110735851A (en) | 2020-01-31 |
| CN110735851B true CN110735851B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911180821.7A Active CN110735851B (en) | 2019-11-26 | 2019-11-26 | Steering tie rod ball head structure and steering tie rod assembly |
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| Country | Link |
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| CN (1) | CN110735851B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749299A (en) * | 1987-05-26 | 1988-06-07 | Dana Corporation | Unitary compression member and wear indicator for a ball joint |
| DE10125227A1 (en) * | 2001-05-22 | 2002-12-12 | Zf Lemfoerder Metallwaren Ag | ball joint |
| KR101276481B1 (en) * | 2013-01-15 | 2013-06-18 | 군산대학교산학협력단 | Ball joint having separated seat |
| CN104843061A (en) * | 2014-12-02 | 2015-08-19 | 北汽福田汽车股份有限公司 | Bulb structure and steering system of steering pull rod |
| CN204688207U (en) * | 2015-04-21 | 2015-10-07 | 鹰潭九隆科技产业有限公司 | A kind of steering track rod assembly with shock-absorbing function |
| CN207902535U (en) * | 2018-03-07 | 2018-09-25 | 晋江市曙光机械有限公司 | A kind of Motor vehicle steering link connector A types |
| CN207955777U (en) * | 2018-01-26 | 2018-10-12 | 玉环晨翔机械有限公司 | A kind of steering linkage ball-joint |
-
2019
- 2019-11-26 CN CN201911180821.7A patent/CN110735851B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749299A (en) * | 1987-05-26 | 1988-06-07 | Dana Corporation | Unitary compression member and wear indicator for a ball joint |
| DE10125227A1 (en) * | 2001-05-22 | 2002-12-12 | Zf Lemfoerder Metallwaren Ag | ball joint |
| KR101276481B1 (en) * | 2013-01-15 | 2013-06-18 | 군산대학교산학협력단 | Ball joint having separated seat |
| CN104843061A (en) * | 2014-12-02 | 2015-08-19 | 北汽福田汽车股份有限公司 | Bulb structure and steering system of steering pull rod |
| CN204688207U (en) * | 2015-04-21 | 2015-10-07 | 鹰潭九隆科技产业有限公司 | A kind of steering track rod assembly with shock-absorbing function |
| CN207955777U (en) * | 2018-01-26 | 2018-10-12 | 玉环晨翔机械有限公司 | A kind of steering linkage ball-joint |
| CN207902535U (en) * | 2018-03-07 | 2018-09-25 | 晋江市曙光机械有限公司 | A kind of Motor vehicle steering link connector A types |
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| CN110735851A (en) | 2020-01-31 |
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