CN110329349B - High-control high-comfort drum-shaped rubber bushing - Google Patents
High-control high-comfort drum-shaped rubber bushing Download PDFInfo
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- CN110329349B CN110329349B CN201910640521.6A CN201910640521A CN110329349B CN 110329349 B CN110329349 B CN 110329349B CN 201910640521 A CN201910640521 A CN 201910640521A CN 110329349 B CN110329349 B CN 110329349B
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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
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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
- B62D7/22—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
- Tires In General (AREA)
Abstract
The invention provides a high-manipulation high-comfort drum-shaped rubber bushing which comprises an inner framework (1), an outer framework (3) and high-elasticity rubber (2), wherein the inner framework (1) is a hollow cylindrical structure with the middle part protruding outwards, two ends parallel to the axis of the inner framework (1) and the tail end in a horn-shaped structure (11), and the high-elasticity rubber (2) is coated outside the inner framework (1); the outer framework (3) is coated outside the high-elasticity rubber (2), and two ends of the outer framework are inwards concave and connected with the high-elasticity rubber (2) through bosses (22); the high-elasticity rubber (2) is provided with a concave angle (21) on the side of the bosses (22) at the two sides close to the middle axis. Compared with the prior art, the drum-shaped rubber bushing is used for connecting the vehicle body connecting rod and the steering knuckle, can improve the controllability and reduce the deflection, and can absorb the road surface bounce and ensure the comfort of passengers and the safety in the driving process.
Description
Technical Field
The invention relates to the technical field of structures of automobile rubber bushings, in particular to a drum-shaped rubber bushing.
Background
At present, chassis debugging and teaching is often contacted in the whole vehicle debugging and teaching process, and the driving control and the comfort of the whole vehicle are directly influenced. The rubber hinge bushing of the chassis contributes greatly to the teaching of the chassis of the whole vehicle, and a good bushing design directly influences the control and comfort of the chassis. High control requires large rigidity to keep stability and improve response speed, comfort requires rigidity as low as possible to buffer and absorb excitation brought by a road surface, and control and comfort are contradictory.
With the development of the automotive industry, consumer demands for comfort and handling of automobiles are increasing. At present, the soft connection of the existing design is not applied comprehensively, the common use for the rubber bushing does not consider the problem of combining high controllability and comfort too much, and if the comfort is higher in the existing product, the rubber bushing has low rigidity and lower controllability; if the maneuverability is higher, the rubber bushing has high rigidity and lower comfort.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a high-control high-comfort drum-shaped rubber bushing which is used for connecting a connecting rod of a vehicle body and a steering knuckle and can ensure high controllability on the premise of ensuring the comfort of the whole vehicle.
The purpose of the invention is realized by the following technical scheme:
a drum-shaped rubber bushing with high manipulation and high comfort is used for connecting a connecting rod of a vehicle body and a steering knuckle and is characterized by comprising an inner framework, an outer framework and high-elasticity rubber; the inner framework is a hollow cylindrical structure with the middle part protruding outwards, two ends parallel to the axis of the inner framework and the tail end in a horn-shaped structure; the high-elasticity rubber is coated outside the inner framework and has a structure with two thin ends and a thick middle part; the high-elasticity rubber is provided with bosses respectively far away from two ends of the inner framework and close to the middle bulge, chamfers with certain angles are arranged on the sides of the bosses far away from the inner framework, two ends of the outer framework are inwards concave and connected with the boss chamfers, and the outer framework is coated outside the high-elasticity rubber; the high-elasticity rubber is provided with a concave angle at the side of the bosses at the two sides close to the middle axis respectively, and the tail end of the concave angle is of a fillet structure.
Furthermore, the diameters of the two ends of the inner framework can be phi 19.2 +/-0.1 mm, the maximum diameter of the middle protruding part can be phi 25 +/-0.1 mm, the radius of the circular arc of the middle protruding part can be 30mm, the circular arc is respectively connected with the parallel parts of the two ends through fillets with the radius of 8mm, and the height of the inner framework can be 42.65mm-42.85 mm.
Furthermore, the central axes of the inner framework and the outer framework are on the same straight line, and the concentricity meets the requirement of phi 0.8.
Further, the thickness of the inner frame is equal in each portion.
Further, the rubber bushing may have a diameter of 36 ± 0.1mm, the exoskeleton height may be 31mm, and the exoskeleton thickness may be equal in each portion and may be 2mm in thickness.
Further, the chamfer angle of the horn-shaped structure at the tail end of the inner framework is C0.5.
Further, the initial thickness of the high elastic rubber near both ends of the inner frame may be 0.5 to 1.0 mm.
Further, the boss may have a thickness of 0.5-1.0mm, and the chamfer may be 20 °; the bosses on the two sides are symmetrical relative to the central cross section of the inner framework.
Further, the concave angle is arranged in the boss, one end of the concave angle is close to but not in contact with the connection point of the high-elasticity rubber and the outer framework, and the distance between the concave angle and the connection point is 0.4-0.6 mm; the angle of the concave angle can be 38-40 degrees; the tail end is in a rounded structure, and the radius of the tail end can be 0.5 mm.
In the rubber bushing structure in the prior art, high-elasticity rubber is uniformly vulcanized between an inner framework and an outer framework, and if the rubber bushing is subjected to a large impact force, the high-elasticity rubber can cause unrecoverable deformation and even cracking of the rubber due to the mutual extrusion force between the inner framework and the outer framework, so that the functionality of the rubber bushing is affected. By adopting the structure of the invention, the deformation or cracking of the high-elasticity rubber caused by impact force in the driving process of the automobile is effectively avoided, and the safety and the comfort in the driving process are ensured. Meanwhile, by adopting the structural combination of the invention, the service life of the high-elasticity rubber is prolonged, and the rubber has more economical efficiency.
The invention has the following technical effects:
(1) the rubber bushing provided by the invention has high radial rigidity, can provide enough rigidity for driving control, so that steering and the like can respond quickly, and road conditions on a road can be transmitted to a vehicle body.
(2) When the rubber bushing provided by the invention is twisted and deflected, the rigidity of the rubber bushing is lower due to the drum-shaped structural design and the matching of the structures, so that an automobile can be softer and more comfortable for passengers when passing through a bumpy road surface and other large road conditions; meanwhile, the unrecoverable deformation or cracking of the high-elasticity rubber can be avoided in the driving process, and the safety of passengers is ensured.
(3) Compared with the prior art, the drum-shaped rubber bushing for connecting the connecting rod of the vehicle body and the steering knuckle has the advantages that due to the structure and the combination, the radial rigidity of the inner drum-shaped framework can be improved, the controllability is improved, the deflection is reduced, the comfort of passengers is improved by the outer drum-shaped framework, and the purpose of combining the comfort and the controllability is achieved. By adopting the structural combination of the invention, the service life of the high-elasticity rubber is prolonged, and the rubber has better economical efficiency.
Drawings
Fig. 1 is a cross-sectional view of a high handling and comfort drum rubber bushing in an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an inner frame of a drum-shaped rubber bushing with high handling and comfort in an embodiment of the invention.
Fig. 3 is a top view of a high handling and comfort drum rubber bushing in an embodiment of the present invention.
Wherein, 1, inner skeleton; 11. a horn-like structure; 2. high-elasticity rubber; 21. a recessed corner; 22. a boss; 3. an exoskeleton.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention.
A drum-shaped rubber bushing with high manipulation and high comfort is used for connecting a connecting rod of a vehicle body and a steering knuckle, and is characterized by comprising an inner framework 1, an outer framework 3 and high-elasticity rubber 2 as shown in figure 1. The inner framework 1 is a hollow cylindrical structure with the middle part protruding outwards, the two ends parallel to the axis of the inner framework 1 and the tail end in a horn-shaped structure 11, the diameter of the two ends of the inner framework 1 is phi 19.2 +/-0.1 mm, the maximum diameter of the middle protruding part is phi 25 +/-0.1 mm, the arc radius of the middle protruding part is 30mm, the two ends are respectively connected with the parallel parts at the two ends through fillets with the radius of 8mm, and the height of the inner framework is 42.65mm-42.85 mm; the diameters of two ends of the hollow part of the inner framework are phi 12.1-phi 12.4mm, and the thicknesses of the inner framework are equal in all parts (for example, the diameter of the hollow part is 12.1mm, the diameter of the parallel part at two ends of the inner framework 1 is 19.2mm, and the thickness of each part of the inner framework 1 is 7.1 mm); the chamfer angle of the horn-like structure 11 is 45 ° and the length is 0.5 mm. The high-elasticity rubber 2 is a vulcanized piece, covers the outer part of the inner framework 1, is of a structure with two thin ends and a thick middle part, and has an initial thickness of 0.5-1.0mm close to the two ends of the inner framework 1; the high-elasticity rubber 2 is provided with bosses 22 at positions far away from two ends of the inner framework 1 and close to the middle bulge, the thickness of each boss 22 is 0.5-1.0mm, chamfers with certain angles exist at the side of each boss 22 far away from the inner framework 1, the angle is 20 degrees, and the bosses 22 at two sides are symmetrical relative to the central cross section of the inner framework; two ends of the outer framework 3 are inwards concave and connected with the chamfer angle of the lug boss 22, and the outer framework 3 is coated outside the high-elasticity rubber 2; the high-elasticity rubber 2 is provided with a concave angle 21 at the side of the bosses 22 at two sides close to the middle axis, the angle of the concave angle 21 is 38-40 degrees, the concave angle is arranged in the bosses, one end of the concave angle is close to but not in contact with the connection point of the high-elasticity rubber and the outer framework, and the distance between the concave angle and the connection point is 0.4-0.6 mm; the end of the concave corner is in a rounded structure, and the radius of the end is 0.5mm, as shown and labeled in figure 1. The diameter of the whole rubber bushing is phi 36 +/-0.1 mm, the height of the outer framework 3 is 31mm, the thickness of the outer framework 3 is equal in each part, and the thickness is 2 mm.
The drum-shaped rubber bushing provided by the invention is used for connecting a vehicle body connecting rod and a steering knuckle, the inner framework 1 is provided with a mounting bolt and plays a role in clamping, and the outer framework 3 and the pull rod hanging ring are assembled in a press-fitting mode. In the running process of an automobile, by adopting the structure and the combination of the drum-shaped rubber bushing, the radial rigidity is improved through the inner drum-shaped framework, the controllability is improved, and the deflection is reduced; the outer drum type framework improves the performance of low torsion and low deflection, generates good absorption for road surface jumping, and simultaneously has enough damping to make passengers more comfortable, thereby achieving the purpose of combining comfort and controllability. Meanwhile, by adopting the structure of the invention, the problems of unrecoverable deformation, fracture and the like when the high-elasticity rubber 2 is subjected to larger impact force are effectively avoided, and the safety of using the vehicle is ensured.
Claims (7)
1. A drum-shaped rubber bushing with high control and comfort is characterized by comprising an inner framework (1), an outer framework (3) and high-elasticity rubber (2); the inner framework (1) is a hollow cylindrical structure, the middle of the inner framework is convex outwards, two ends of the inner framework are parallel to the axis of the inner framework (1), and the tail end of the inner framework is of a horn-shaped structure (11); the high-elasticity rubber (2) is coated outside the inner framework (1) and has a structure with thin two ends and thick middle; bosses (22) are respectively arranged at positions, far away from two ends of the inner framework (1) and close to the middle bulge, on the high-elasticity rubber (2), chamfers with certain angles are arranged at the sides, far away from the inner framework (1), of the bosses (22), two ends of the outer framework (3) are inwards concave and connected with the chamfers of the bosses (22), and the outer framework (3) is coated outside the high-elasticity rubber (2); the high-elasticity rubber (2) is provided with a concave angle (21) on the side of the bosses (22) at the two sides close to the middle axis respectively, and the tail end of the concave angle (21) is of a fillet structure;
the thickness of the boss (22) is 0.5-1.0mm, and the chamfer angle is 20 degrees; the bosses (22) on the two sides are symmetrical relative to the central cross section of the inner framework (1).
2. The high handling comfort drum shaped rubber bushing according to claim 1, wherein: the diameter of two ends of the inner framework (1) is phi 19.2 +/-0.1 mm, the maximum diameter of the middle protruding part is phi 25 +/-0.1 mm, the radius of the circular arc of the middle protruding part is 30mm, the circular arc is respectively connected with the parallel parts of the two ends through fillets with the radius of 8mm, and the height of the inner framework (1) is 42.65mm-42.85 mm.
3. The high handling comfort drum shaped rubber bushing according to claim 2, characterized in that: the central axes of the inner framework (1) and the outer framework (3) are on the same straight line, and the concentricity meets the requirement of phi 0.8.
4. A high handling high comfort drum rubber bushing according to claim 3, characterized in that: the thickness of the inner skeleton (1) is equal in all parts.
5. The high handling comfort drum shaped rubber bushing according to claim 4, wherein: the diameter of the rubber bushing is phi 36 +/-0.1 mm, the height of the outer framework (3) is 31mm, the thickness of the outer framework (3) is equal in each part, and the thickness is 2 mm.
6. The high handling comfort drum shaped rubber bushing according to claim 5, wherein: the chamfer angle of the horn-shaped structure (11) at the tail end of the inner framework (1) is C0.5.
7. The high handling comfort drum shaped rubber bushing according to claim 6, wherein: the initial thickness of the high-elasticity rubber (2) close to the two ends of the inner framework (1) is 0.5-1.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640521.6A CN110329349B (en) | 2019-07-16 | 2019-07-16 | High-control high-comfort drum-shaped rubber bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640521.6A CN110329349B (en) | 2019-07-16 | 2019-07-16 | High-control high-comfort drum-shaped rubber bushing |
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| Publication Number | Publication Date |
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| CN110329349A CN110329349A (en) | 2019-10-15 |
| CN110329349B true CN110329349B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910640521.6A Active CN110329349B (en) | 2019-07-16 | 2019-07-16 | High-control high-comfort drum-shaped rubber bushing |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100514223B1 (en) * | 2002-12-14 | 2005-09-13 | 기아자동차주식회사 | Steering column bush for vehicle |
| CN2931227Y (en) * | 2006-08-07 | 2007-08-08 | 许容毅 | Structure improved arm swinging lining |
| CN203822931U (en) * | 2014-03-04 | 2014-09-10 | 宁国市生力实业有限公司 | Hydraulic damping bushing |
| CN205479065U (en) * | 2016-04-06 | 2016-08-17 | 天纳克汽车工业(苏州)有限公司 | Compound bush and have bumper shock absorber of this compound bush |
| CN205668479U (en) * | 2016-06-08 | 2016-11-02 | 宁海建新减震***有限公司 | Connecting rod rubber bushing in one |
| CN206377193U (en) * | 2016-12-09 | 2017-08-04 | 天合汽车科技（上海）有限公司 | Bushing and the automobile electric booster steering system including it |
| CN207274311U (en) * | 2017-10-24 | 2018-04-27 | 上海众力投资发展有限公司 | A kind of automobile chassis bush |
| CN207631325U (en) * | 2017-11-22 | 2018-07-20 | 南漳富元鼎航空器材配件有限公司 | A kind of automobile steering device rubber bushing |
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2019
- 2019-07-16 CN CN201910640521.6A patent/CN110329349B/en active Active
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| CN110329349A (en) | 2019-10-15 |
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