CN110667327A - Automobile control arm bushing structure - Google Patents
Automobile control arm bushing structure Download PDFInfo
- Publication number
- CN110667327A CN110667327A CN201910968948.9A CN201910968948A CN110667327A CN 110667327 A CN110667327 A CN 110667327A CN 201910968948 A CN201910968948 A CN 201910968948A CN 110667327 A CN110667327 A CN 110667327A
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- China
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- rubber
- inner frame
- control arm
- outer sleeve
- shaft core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/04—Buffer means for limiting movement of arms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an automobile control arm bush structure in the technical field of automobile accessories, which comprises an inner framework shaft core, wherein the middle end of the outer side of the inner framework shaft core is sleeved with an outer sleeve, a first rubber part and a second rubber part are arranged between the inner framework shaft core and the outer sleeve, a stop block is fixedly connected between the first rubber part and the second rubber part, the first rubber part and the second rubber part fill the gap between the inner framework shaft core and the outer sleeve, the vulcanization process is adopted, the structural performance of a product is improved, the automobile control arm bush structure has the characteristics of reliable structure and stable work, the bush assembly can realize axial limit and increase deflection rigidity by utilizing the self structure through the arranged bending part of the inner bending of the outer sleeve, the stop block ensures radial rigidity, the rigidity of the product in each direction is enhanced to be enough to ensure the durability of the product, further, an annular recess is arranged in the rubber part and is excessive to the inner framework shaft core through an inclined plane, the problem of rubber cracking at the solid part after part fatigue is solved by optimizing the solid to round corners.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to an automobile control arm bushing structure.
Background
The suspension system is a general term for all force-transmitting connecting devices between a frame and an axle or a wheel of an automobile, and has the functions of transmitting force and moment acting between the wheel and the frame, buffering impact force transmitted to the frame or an automobile body from an uneven road surface and attenuating vibration caused by the impact force so as to ensure smooth running of the automobile. The suspension system should function to support the vehicle body and improve the ride, and different suspension arrangements will give the driver a different driving experience. The suspension system which looks like a simple appearance integrates various acting forces, determines the stability, comfort and safety of the automobile and is one of the key parts of the modern automobile.
With the light weight design of automobiles, the characteristics of automobile suspension systems have more and more influence on the characteristics of automobiles, suspension control arms are connected with automobile bodies through bushings, and the bushings are required to have larger radial rigidity and smaller torsional rigidity in the design process in order to effectively control the vibration of the automobile bodies caused by unbalanced excitation from road surfaces or wheels.
The front bushing for the automobile control arm needs to bear a great axial load working condition in the driving process of an automobile, and has higher requirements on fatigue and torsional rigidity of the front bushing of the control arm under the working condition. The control arm bush is a transition part used for connecting a chassis control arm and a vehicle body in an automobile suspension system, and during work, two ends of the control arm bush are connected with the auxiliary frame through bolts, so that the effect of buffering the impact of a road surface on the vehicle body can be achieved.
The existing front bushing of the control arm generally comprises an inner framework and an outer sleeve, the inner framework is connected with the outer sleeve through a rubber body, the inner framework of the bushing is molded through die casting, the weight is large, the cost is high, in the prior art, the end face of the bushing is limited by arranging a rubber collision block, the rubber collision block is collided with the end face of a peripheral part in motion to play a limiting role, a special limiting end face needs to be designed on the peripheral part, the limiting end face is influenced by space and structural strength sometimes, the limiting end face can not be designed, and meanwhile, after the bushing is fatigued, the rubber part is prone to cracking.
Based on the above, the invention designs a bushing structure of the automobile control arm to solve the above problems.
Disclosure of Invention
The invention aims to provide a bushing structure of an automobile control arm, which aims to solve the problems that the existing front bushing of the control arm proposed in the background technology generally comprises an inner framework and an outer sleeve, the inner framework is connected with the outer sleeve through a rubber body, the designed bushing inner framework is formed by die casting, the weight is large, the cost is high, and the bushing limit in the prior art is realized by arranging a rubber bump on the end surface of the bushing and impacting the end surface of a peripheral part by the rubber bump in the movement to play a limiting role, so that a special limit end surface needs to be designed on the peripheral part, but the limit end surface is influenced by space and structural strength sometimes, the limit end surface can not be designed, and the rubber part is easy to crack after the bushing is fatigued.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile control arm bush structure, includes inner frame axle core, the pot head is equipped with outer pipe box in the inner frame axle core outside, be equipped with first rubber spare and second rubber spare between inner frame axle core and the outer pipe box, fixedly connected with dog between first rubber spare and the second rubber spare, first rubber spare and second rubber spare fill the clearance between inner frame axle core and the outer pipe box.
Preferably, the through holes are formed in the two ends, extending to the outer pipe sleeve, of the inner framework shaft core and are distributed along the center of the inner framework shaft core in a symmetrical mode.
Preferably, both ends of the outer pipe sleeve are provided with bending parts which are bent inwards, and the second rubber piece is fixedly connected with the inner wall of the bending part on the outer pipe sleeve.
Preferably, the inner frame shaft core is located the outer side of the outer tube sleeve inner end and the outer tube sleeve inner wall end and is fixedly connected with a plurality of groups of first mounting pasting seats and second mounting pasting seats which are uniformly distributed respectively.
Preferably, an annular recess is formed between the upper surface and the lower surface of the first rubber part and is close to two ends of the inner framework shaft core.
Preferably, the inner frame shaft core, the outer pipe sleeve and the stop block are integrally formed by vulcanization.
Preferably, the semicircular grooves of the first mounting sticking seat and the second mounting sticking seat are formed in the lower end of the first rubber part and the upper end of the second rubber part.
An assembling method of a bushing structure of an automobile control arm comprises the following steps:
s1, in the first step, an inner frame assembly composed of an inner frame assembly body is formed by adhering a first rubber piece, a second rubber piece and a stop block along the outer wall of the shaft core of the inner frame formed by vulcanization.
S2, sleeving an outer sleeve outside to make the first rubber and the second rubber tightly connected with the inner frame shaft core and the outer sleeve, and vulcanizing to obtain the semi-finished bushing.
And S3, thirdly, bending the outer sleeve and the inner sleeve inwards to form a bending part, and reducing the diameter to form the bushing assembly.
And S4, press-fitting the outer sleeve on the control arm, and fixing two through holes on an inner frame shaft core in the inner frame assembly on the auxiliary frame through bolts to complete assembly.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a vulcanization process, improves the structural performance of a product, has the characteristics of reliable structure and stable work, and can ensure that the bushing assembly can realize axial limit by utilizing the self structure and simultaneously increase the deflection rigidity through the arranged bent part of the inner bending of the outer sleeve, the stop block ensures the radial rigidity, the rigidity of the product in each direction is enhanced to ensure the durability of the product, furthermore, the rubber piece is internally provided with an annular recess, the annular recess is transited to the shaft core of the inner framework through the inclined plane, the solid fillet is optimized, and the problem of rubber cracking at the solid part after the part is fatigued is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a via structure according to the present invention;
FIG. 3 is a schematic view of the structure of the outer socket of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-inner framework shaft core, 2-outer sleeve, 3-first rubber piece, 4-second rubber piece, 5-stop block, 6-through hole, 7-bending part, 8-first mounting sticking seat, 9-second mounting sticking seat and 10-annular recess.
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.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automobile control arm bush structure, includes inner frame axle core 1, the pot head is equipped with outer jacket 2 in the 1 outside of inner frame axle core, be equipped with first rubber spare 3 and second rubber spare 4 between inner frame axle core 1 and the outer jacket 2, fixedly connected with dog 5 between first rubber spare 3 and the second rubber spare 4, first rubber spare 3 and second rubber spare 4 fill up the clearance between inner frame axle core 1 and the outer jacket 2.
Wherein, through-hole 6 has all been seted up at the both ends that inner frame axle core 1 extends to outer pipe box 2, and through-hole 6 makes inner frame axle core 1 pass through-hole 6 and automobile body fixed connection along inner frame axle core 1 central symmetry distribution. Both ends of the outer sleeve 2 are provided with bending parts 7 which are bent inwards, the second rubber part 4 is fixedly connected with the inner walls of the bending parts 7 on the outer sleeve 2, and the bending parts 7 can increase deflection rigidity. The inner frame shaft core 1 is located the outer sleeve 2 inside end outside and the outer sleeve 2 inner wall end respectively fixedly connected with the first installation of multiunit evenly distributed paste seat 8 and the second installation paste seat 9, and the first installation paste seat 8 and the second installation paste seat 9 are laminated with first rubber spare 3 and second rubber spare 4 and are connected, and fixed effect is better. Be provided with annular sunken 10 between the upper surface of first rubber spare 3 and the lower surface, annular sunken 10 be close to 1 both ends of inner frame axle core and set up, the inner circle that annular sunken 10 excessively arrives inner frame axle core 1 through the inclined plane, optimizes solid to the fillet, can solve the problem of the tired solid department rubber fracture of back of part. The inner frame shaft core 1, the outer pipe sleeve 2 and the stop block 5 are integrally vulcanized and formed, so that the hardness of the inner frame shaft core can be enhanced. The semicircular groove of pasting seat 8 and second installation with first installation is all seted up to 3 lower extremes of first rubber spare and 4 upper ends of second rubber spare, makes the laminating effect of rubber spare and installation pasting seat better.
One specific application of this embodiment is: adhering a first rubber part 3, a second rubber part 4 and a stop block 5 along the outer wall of an inner framework shaft core 1 formed by vulcanization to form an inner framework assembly consisting of an inner framework assembly, sleeving an outer sleeve 2 on the outer side, tightly connecting the first rubber part 3 and the second rubber part 4 with the inner framework shaft core 1 and the outer sleeve 2, vulcanizing to form a semi-finished bushing, bending the outer sleeve 5 inwards to form a bending part 7, and reducing the diameter to form a bushing assembly; press-fitting outer tube 2 on the control arm, two through-holes 6 of the volume on the inner frame axle core 1 in the inner frame assembly pass through the bolt fastening on sub vehicle frame, can accomplish the assembly, when the car goes on the road surface, the brake that receives and slow down the emergency brake and strike with higher speed after, the load of big impact can be converted into on the inside lining through control arm bush directness, wherein, the portion of bending 7 can increase beat rigidity, radial rigidity can be guaranteed to dog 5, the rigidity of reinforcing product in every direction is enough to guarantee the product durability, make the car can both guarantee sufficient rigidity requirement in the driving process of each operating mode, promote product durability.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides an automobile control arm bush structure, includes inner frame axle core (1), its characterized in that: the end cap is equipped with outer pipe box (2) in the inner frame axle core (1) outside, be equipped with first rubber spare (3) and second rubber spare (4) between inner frame axle core (1) and outer pipe box (2), fixedly connected with dog (5) between first rubber spare (3) and second rubber spare (4), first rubber spare (3) and second rubber spare (4) fill the clearance between full inner frame axle core (1) and outer pipe box (2).
2. The vehicle control arm bushing structure according to claim 1, wherein: through-hole (6) have all been seted up at the both ends that inner frame axle core (1) extended to outer pipe box (2), through-hole (6) are along inner frame axle core (1) central symmetry distribution.
3. The vehicle control arm bushing structure according to claim 1, wherein: the two ends of the outer sleeve (2) are provided with bending parts (7) which are bent inwards, and the second rubber piece (4) is fixedly connected with the inner wall of the bending part (7) on the outer sleeve (2).
4. The vehicle control arm bushing structure according to claim 1, wherein: the inner frame shaft core (1) is located outside the inner end of the outer sleeve (2) and inside the inner wall of the outer sleeve (2), and is fixedly connected with a first mounting pasting seat (8) and a second mounting pasting seat (9) which are uniformly distributed in multiple groups.
5. The vehicle control arm bushing structure according to claim 1, wherein: an annular recess (10) is formed between the upper surface and the lower surface of the first rubber part (3), and the annular recess (10) is close to two ends of the inner framework shaft core (1).
6. The vehicle control arm bushing structure according to claim 1, wherein: the inner frame shaft core (1), the outer pipe sleeve (2) and the stop block (5) are integrally formed by vulcanization.
7. The vehicle control arm bushing structure according to claim 4, wherein: the semicircular groove of pasting seat (8) and second installation with first installation is all seted up to first rubber spare (3) lower extreme and second rubber spare (4) upper end.
8. The assembling method of the automobile control arm bushing structure is characterized by comprising the following steps: the method comprises the following steps:
s1, in the first step, adhering a first rubber part (3), a second rubber part (4) and a stop block (5) to the outer wall of the vulcanized inner frame shaft core (1) to form an inner frame assembly consisting of an inner frame assembly body.
S2, sleeving an outer sleeve (2) outside to tightly connect the first rubber body (3) and the second rubber body (4) with the inner frame shaft core (1) and the outer sleeve (2), and vulcanizing to obtain a semi-finished bushing.
And S3, thirdly, bending the outer sleeve (5) inwards to form a bent part (7), and reducing the diameter to form the bushing assembly.
9. The assembling method of a bush structure of a control arm of an automobile according to claim 8, characterized in that: and S4, press-fitting the outer sleeve (2) on the control arm, and fixing two through holes (6) on an inner frame shaft core (1) in the inner frame assembly on the auxiliary frame through bolts to complete assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968948.9A CN110667327A (en) | 2019-10-12 | 2019-10-12 | Automobile control arm bushing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968948.9A CN110667327A (en) | 2019-10-12 | 2019-10-12 | Automobile control arm bushing structure |
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| Publication Number | Publication Date |
|---|---|
| CN110667327A true CN110667327A (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910968948.9A Pending CN110667327A (en) | 2019-10-12 | 2019-10-12 | Automobile control arm bushing structure |
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| Country | Link |
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| CN (1) | CN110667327A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270934A (en) * | 2021-06-30 | 2021-08-17 | 奇瑞新能源汽车股份有限公司 | Car piezoelectricity recovery system and car |
| CN113335004A (en) * | 2021-06-28 | 2021-09-03 | 安徽拓盛汽车零部件有限公司 | Inner bushing of rear upper control arm and processing technology thereof |
| CN113550994A (en) * | 2020-04-26 | 2021-10-26 | 普尔曼公司 | Combined lining |
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| JP2007064301A (en) * | 2005-08-30 | 2007-03-15 | Toyo Tire & Rubber Co Ltd | Rubber vibration isolator member |
| CN204488407U (en) * | 2015-01-13 | 2015-07-22 | 北京汽车股份有限公司 | A kind of lining, suspension link, suspension system and vehicle |
| US20150252842A1 (en) * | 2014-03-08 | 2015-09-10 | Audi Ag | Rubber-metal sleeve bearing |
| CN205273080U (en) * | 2016-01-15 | 2016-06-01 | 重庆长安汽车股份有限公司 | Stabilizer bar bushing structure |
| CN207579483U (en) * | 2017-10-25 | 2018-07-06 | 安徽拓盛汽车零部件有限公司 | A kind of lower control arm neck bush |
-
2019
- 2019-10-12 CN CN201910968948.9A patent/CN110667327A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064301A (en) * | 2005-08-30 | 2007-03-15 | Toyo Tire & Rubber Co Ltd | Rubber vibration isolator member |
| US20150252842A1 (en) * | 2014-03-08 | 2015-09-10 | Audi Ag | Rubber-metal sleeve bearing |
| CN204488407U (en) * | 2015-01-13 | 2015-07-22 | 北京汽车股份有限公司 | A kind of lining, suspension link, suspension system and vehicle |
| CN205273080U (en) * | 2016-01-15 | 2016-06-01 | 重庆长安汽车股份有限公司 | Stabilizer bar bushing structure |
| CN207579483U (en) * | 2017-10-25 | 2018-07-06 | 安徽拓盛汽车零部件有限公司 | A kind of lower control arm neck bush |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550994A (en) * | 2020-04-26 | 2021-10-26 | 普尔曼公司 | Combined lining |
| CN113335004A (en) * | 2021-06-28 | 2021-09-03 | 安徽拓盛汽车零部件有限公司 | Inner bushing of rear upper control arm and processing technology thereof |
| CN113270934A (en) * | 2021-06-30 | 2021-08-17 | 奇瑞新能源汽车股份有限公司 | Car piezoelectricity recovery system and car |
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Application publication date: 20200110 |
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| RJ01 | Rejection of invention patent application after publication |