CN107310338B - Swing arm assembly on car - Google Patents
Swing arm assembly on car Download PDFInfo
- Publication number
- CN107310338B CN107310338B CN201710588169.7A CN201710588169A CN107310338B CN 107310338 B CN107310338 B CN 107310338B CN 201710588169 A CN201710588169 A CN 201710588169A CN 107310338 B CN107310338 B CN 107310338B
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- Prior art keywords
- ball head
- ball
- seat
- annular
- bushing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
-
- 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)
- Pivots And Pivotal Connections (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model discloses an upper swing arm assembly of an automobile, which comprises: the swing arm main body comprises two arm bodies and a ball pin, wherein one ends of the two arm bodies are connected in a herringbone shape; the ball pin comprises a ball, a ball seat and a ball rod; the other end of the arm body is provided with a circular through hole, a bushing is arranged in the circular through hole, and a special-shaped shaft capable of rotating in the bushing is arranged in the bushing; the ball head seat comprises a ball head outer seat, a sealing plate and a ball head abutting seat, an annular supporting piece is formed inwards at the end part of the lower opening of the ball head outer seat, the sealing plate is provided with an annular abutting piece matched with the annular supporting piece, the ball head abutting seat is provided with an elastic curved part which is attached to the ball head spherical surface, and a through hole is formed in the center of the elastic curved part; the special-shaped shaft comprises a lining inner section and a lining inner section, wherein the lining inner section forms a bulge; each arm body is provided with a reinforcing block formed by upward bulges, and the reinforcing blocks are connected. The utility model has good supporting effect, good load transmission and good buffer to impact and vibration generated among various parts of the automobile.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to an automobile upper swing arm assembly.
Background
The upper swing arm assembly has the functions of guiding and supporting the suspension, deformation of the upper swing arm assembly can influence wheel positioning, and driving stability is reduced. If the upper swing arm assembly has a problem, the steering wheel can be perceived to shake, and after the hand loosens the steering wheel, the vehicle is easy to deviate, and the direction is difficult to master at high speed.
The upper swing arm assembly has the advantages of complex structure, high technical content of products, high manufacturing technology difficulty, high physical strength, bending deformation resistance, shock resistance and wear resistance under the condition that the safety and reliability meet hundred percent requirements under the condition of millions of large load impacts.
The structural rigidity, strength, machining precision, shock resistance, wear resistance and firm mechanism of the swing arm assembly on the automobile affect the running safety of the automobile, so that materials, structural design and mold manufacturing used for the swing arm assembly are further researched, developed and standardized for the special manufacturing process of various parts of the swing arm assembly, and related special numerical control equipment is developed and instruments required for detection means are needed, so that the key subject of developing and developing the swing arm assembly is achieved.
There are also many upper swing arm assemblies for automobiles on the market, for example, the chinese utility model of patent number 2016207069720.7 discloses an upper swing arm assembly, which comprises a fork-shaped upper swing arm body composed of two arm bodies, wherein one end of each arm body, which is connected with each arm body, is provided with a ball pin, the other end of each arm body is provided with a bush in a press fit manner, a core shaft capable of rotating circumferentially is arranged in each bush, each ball comprises a ball head, a ball rod and a base, the ball head) is positioned in each ball head seat, each ball head seat is provided with an upper opening and a lower opening, each ball rod is fixed on each ball head, the lower opening is sealed by a sealing plate, the bottom of each ball head seat is provided with a bottom plate which is arranged separately from the sealing plate, a buffer chamber is formed between each bottom plate and each sealing plate, and an elastic piece is placed in each buffer chamber. However, the mandrel arranged in this way cannot meet the requirements in the process of transferring load, and the supporting effect is insufficient; the elastic piece occupies too large volume, and is not easy to produce and practice.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the automobile upper swing arm assembly which has good supporting function, good load transmission and good buffering of impact and vibration generated among various parts of an automobile.
The utility model solves the technical problem, and adopts the technical scheme that the utility model provides an upper swing arm assembly of an automobile, which comprises the following components: the swing arm comprises a swing arm body, wherein the swing arm body comprises two arm bodies and a ball pin, one ends of the two arm bodies are connected in a herringbone manner, and the ball pin is arranged at the joint of the two arm bodies; the ball pin comprises a ball head, a head seat and a ball head rod connected with the ball head, and the ball head is arranged in the head seat; the other end of the arm body is provided with a circular through hole, the direction of the circular through hole is perpendicular to the direction of the ball pin, a bushing is arranged in the circular through hole, and a special-shaped shaft capable of rotating in the bushing is arranged in the bushing, and the ball pin is characterized in that: the ball head seat comprises a ball head outer seat, a sealing plate and a ball head abutting seat, wherein the ball head outer seat is provided with an upper opening and a lower opening, an annular supporting piece is inwards formed at the end part of the lower opening, the sealing plate is provided with a U-shaped groove, an annular abutting piece matched with the annular supporting piece is outwards formed at the opening of the U-shaped groove, an extension part which is outwards formed is arranged on the annular abutting piece, a first annular groove which is embedded with the extension part is arranged on the inner side of the ball head outer seat, the ball head abutting seat is provided with an elastic curved part which is jointed with the ball head spherical surface and is connected with the ball head outer seat, a through hole is formed in the center of the elastic curved part, and the through hole is arranged above the U-shaped groove; the special-shaped shaft comprises a lining inner section arranged between the linings and a lining inner section arranged in the lining, wherein the lining inner section forms a bulge; each arm body is provided with a reinforcing block formed by upward protrusions, and the reinforcing blocks are connected.
Preferably, the bushing interval is U-shaped, and positioning holes are formed in U-shaped openings and U-shaped corners of the bushing interval. The four locating holes are matched with the locating holes on the automobile frame to be inserted into the screw rods, so that the load transmission efficiency is greatly improved, and the abnormal shaft cannot be in a dangerous place because of bearing too much load.
Preferably, an angle between the reinforcing block and the arm body is less than or equal to 90 °. The structural strength of the arm body is better increased, and impact force generated among various parts of the automobile is well resisted.
Preferably, a plurality of circular protrusions are arranged in the reinforcing block, and cylindrical grooves are arranged in the circular protrusions. The setting of a plurality of circular bellyings can play the enhancement to strengthening edition structure, and cylindrical recess's setting can use with the car frame cooperation on the one hand, on the other hand can effectively disperse the impulsive force that each part produced.
Preferably, a reinforcing part is arranged between the elastic curved part and the ball head outer seat. The supporting force of the elastic curved part is increased, and the elastic curved part is prevented from deforming to lose elastic capability.
Further preferably, a second annular groove is provided between the reinforcing portion and the elastic curved portion. Too much elastic potential energy is prevented from being lost by the elastic flexure, thereby affecting the impact and amplitude between the cushioning components.
Preferably, the ball rod is provided with a first annular connecting piece, and one end of the detachable dust cover is provided with a second annular connecting piece matched with the first annular connecting piece. The detachable dust cover is arranged, so that dust can be prevented from entering the ball seat, and the dust cover is convenient to clean.
Further preferably, an annular fitting protrusion is provided at the other end of the detachable dust cover, and an annular fitting groove matched with the annular fitting protrusion is provided on the outer seat of the ball head. The other end of the detachable dust cover is detachably fixed on the outer seat of the ball head, so that dust is better prevented from entering the seat of the ball head.
Preferably, two end surfaces of the special-shaped shaft are respectively provided with a nozzle tip forming 90 degrees with the two end surfaces of the special-shaped shaft. The oil nozzle is arranged, so that the bushing and the special-shaped shaft are not easy to wear, and the service life is prolonged; the oil nozzle and the two end surfaces of the special-shaped shaft form 90 degrees, so that oil can slowly enter between the bushing and the special-shaped shaft, and the use cannot be influenced due to too fast or too slow entering.
Preferably, a round pin hole is formed in the upper end portion of the ball head rod, and a third annular groove is formed in the outer surface of the ball head rod corresponding to the round pin hole. The third annular groove can be clamped with the nut, and then the third annular groove is fixed through the round pin hole by a bolt. The nut and the ball head rod are prevented from sideslip.
The utility model has the following beneficial effects:
1. the end part of the lower opening of the outer bulb seat is inwards provided with an annular supporting piece, the opening of the U-shaped groove of the sealing plate is outwards provided with an annular supporting piece matched with the annular supporting piece, the arrangement can enlarge the contact surface between the sealing plate and the outer bulb seat, the bulb seat can be more stable under the condition that the function is not affected, and the sealing plate is prevented from falling off.
2. The annular propping piece is provided with an extension part formed outwards, the inner side of the outer seat of the ball head is provided with a first annular groove which is embedded with the extension part, and the sealing plate can better play a sealing role and also better prevent dust from entering.
3. The ball head base is provided with an elastic curved part which is attached to the ball head spherical surface and is connected with the ball head outer seat, so that on one hand, impact force and vibration amplitude can be buffered, and on the other hand, moment during rotation can be stabilized.
4. The center of the elastic curved part is provided with a through hole and above the U-shaped groove, so that elastic potential energy can be increased, impact and amplitude among various parts of the automobile can be buffered better, and the safety and stability of driving are guaranteed better.
5. The bushing segments form a bulge that better transfers the load.
6. Set up the boss and the boss links to each other, can increase the structural strength of the arm body, strengthen the supporting effect.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a cross-sectional view of a ball stud.
In the figure: 1. swing arm body, 11, arm body, 111, circular through hole, 112, reinforcing block, 1121, circular boss, 11211, cylindrical recess, 12, ball pin, 121, ball, 122, ball seat, 1221, ball outer seat, 12211, annular blade, 12212, first annular recess, 12213, annular fitting recess, 1222, sealing plate, 12221, U-shaped recess, 12222, annular blade, 12223, extension, 1223, ball abutment, 12231, elastic curved portion, 12232, through hole, 1224, reinforcing portion, 1225, second annular recess, 123, ball rod, 1231, circular pin hole, 1232, third annular recess, 124, removable dust cover, 1241, annular fitting boss, 2, bushing, 3, special-shaped shaft, 31, bushing inner section, 32, bushing interval, 321, positioning hole, 33, oil nozzle.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Examples:
an upper swing arm assembly of an automobile as shown in fig. 1 to 2 comprises a swing arm main body 1, wherein the swing arm main body 1 comprises two arm bodies 11 and a ball pin 12, one ends of the two arm bodies 11 are connected in a herringbone shape, and the ball pin 12 is arranged at the joint of the two arm bodies 11; the ball stud 12 comprises a ball 121, a ball seat 122 and a ball rod 123 connected with the ball 121, wherein the ball 121 is arranged in the ball seat 122; the other end of the arm body 11 is provided with a circular through hole 111, the direction of the circular through hole 111 is perpendicular to the direction of the ball head pin 12, a bushing 2 is arranged in the circular through hole 111, a special-shaped shaft 3 capable of rotating in the bushing 2 is arranged in the bushing 2, the ball head seat 122 comprises a ball head outer seat 1221, a sealing plate 1222 and a ball head bearing seat 1223, the ball head outer seat 1221 is provided with an upper opening and a lower opening, an annular supporting piece 12211 is inwards formed at the end of the lower opening, the sealing plate 1222 is provided with a U-shaped groove 12221, an annular supporting piece 12222 matched with the annular supporting piece 12211 is outwards formed at the opening of the U-shaped groove 12221, the contact surface between the sealing plate and the ball head outer seat 1221 is enlarged, the ball head seat is more stable under the condition that the function is not affected, and the sealing plate 1222 is prevented from falling off. The annular supporting piece 12222 is provided with an extending part 12223 formed outwards, and a first annular groove 12212 embedded with the extending part 12223 is arranged on the inner side of the ball head outer seat 1221, so that the sealing plate 1222 can better play a role in sealing and also better prevent dust from entering; the ball head base 1223 has an elastic curved part 12231 attached to the spherical surface of the ball head 121 and connected to the ball head outer base 1221, so that on one hand, impact force and amplitude can be buffered, and on the other hand, moment during rotation can be stabilized, a through hole 12232 is arranged at the center of the elastic curved part 12231, the through hole 12232 is above the U-shaped groove 12221, elastic potential energy can be increased, impact force and amplitude between various parts of an automobile can be buffered better, and safety and stability of driving can be guaranteed better; the profiled shaft 3 comprises a bushing compartment 32 arranged between the bushings 2 and a bushing inner section 31 arranged in the bushing 2, the bushing compartment 32 forming a bulge for better load transfer; each arm 11 is provided with a reinforcing block 112 formed by protruding upwards, and the reinforcing blocks 112 are connected with each other, so that the structural strength of the arm 11 can be increased, and the supporting effect can be enhanced. In addition, the bushing spacer 32 is U-shaped, and positioning holes 321 are formed in the U-shaped opening and the U-shaped corner of the bushing spacer 32. The four locating holes are matched with the locating holes on the automobile frame to be inserted into the screw rods, so that the load transmission efficiency is greatly improved, and the abnormal shaft cannot be in a dangerous place because of bearing too much load. The angle between the reinforcing block 112 and the arm 11 is less than or equal to 90 °. The structural strength of the arm 11 is better increased, and the impact generated between the parts of the automobile is better resisted. A plurality of circular protrusions 1121 are arranged in the reinforcing block 112, and a cylindrical groove 11211 is arranged in the circular protrusion 1121. The setting of a plurality of circular bellyings can play the enhancement to strengthening edition structure, and cylindrical recess's setting can use with the car frame cooperation on the one hand, on the other hand can effectively disperse the impulsive force that each part produced. A reinforcement 1224 is provided between the elastic curved portion 12231 and the ball outer seat 1221. The supporting force of the elastic curved part is increased, and the elastic curved part is prevented from deforming to lose elastic capability. A second annular groove 1225 is provided between the reinforcement 1224 and the resilient curved portion 12231. Too much elastic potential energy is prevented from being lost by the elastic flexure, thereby affecting the impact and amplitude between the cushioning components. The ball rod 123 is provided with a first annular connecting piece, and one end of the detachable dust cover 124 is provided with a second annular connecting piece matched with the first annular connecting piece. The detachable dust cover is arranged, so that dust can be prevented from entering the ball seat, and the dust cover is convenient to clean. The other end of the detachable dust cover 124 is provided with an annular engaging protrusion 1241, and the ball outer seat 1221 is provided with an annular engaging groove 12213 matching with the annular engaging protrusion 1241. The other end of the detachable dust cover is detachably fixed on the outer seat of the ball head, so that dust is better prevented from entering the seat of the ball head. The two end surfaces of the special-shaped shaft 3 are respectively provided with a nozzle 33 which forms 90 degrees with the two end surfaces of the special-shaped shaft 3. The oil nozzle is arranged, so that the bushing and the special-shaped shaft are not easy to wear, and the service life is prolonged; the oil nozzle and the two end surfaces of the special-shaped shaft form 90 degrees, so that oil can slowly enter between the bushing and the special-shaped shaft, and the use cannot be influenced due to too fast or too slow entering. The upper end of the ball head rod 123 is provided with a circular pin hole 1231, and the outer surface of the ball head rod 123 corresponding to the circular pin hole 1231 is provided with a third annular groove 1232. The third annular groove can be clamped with the nut, and then the third annular groove is fixed through the round pin hole by a bolt. The nut and the ball head rod are prevented from sideslip.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The upper swing arm assembly of the automobile comprises a swing arm main body (1), wherein the swing arm main body (1) comprises two arm bodies (11) and a ball pin (12) which are connected with each other in a herringbone manner, and the ball pin (12) is arranged at the joint of the two arm bodies (11); the ball stud (12) comprises a ball head (121), a ball head seat (122) and a ball head rod (123) connected with the ball head (121), and the ball head (121) is arranged in the ball head seat (122); the other end of the arm body (11) is provided with a circular through hole (111), the direction of the circular through hole (111) is perpendicular to the direction of the ball stud (12), a bushing (2) is arranged in the circular through hole (111), and a special-shaped shaft (3) capable of rotating in the bushing (2) is arranged in the bushing (2), and the ball stud is characterized in that: the ball head seat (122) comprises a ball head outer seat (1221), a sealing plate (1222) and a ball head abutting seat (1223), wherein the ball head outer seat (1221) is provided with an upper opening and a lower opening, an annular supporting plate (12211) is inwards formed at the end part of the lower opening, the sealing plate (1222) is provided with a U-shaped groove (12221), an annular supporting plate (12222) matched with the annular supporting plate (12211) is outwards formed at the opening of the U-shaped groove (12221), an extension part (12223) formed outwards is arranged on the annular supporting plate (12222), and a first annular groove (12212) embedded with the extension part (12223) is arranged on the inner side of the ball head outer seat (1221); the ball head butt seat (1223) is provided with an elastic curved part (12231) attached to the spherical surface of the ball head (121) and is connected with the ball head outer seat (1221), a through hole (12232) is arranged at the center of the elastic curved part (12231), and the through hole (12232) is arranged above the U-shaped groove (12221); the special-shaped shaft (3) comprises a bushing interval (32) arranged between the bushings (2) and a bushing inner section (31) arranged in the bushing (2), wherein the bushing interval (32) forms a bulge; each arm body (11) is provided with a reinforcing block (112) formed by upward protrusions, the reinforcing blocks (112) are connected, the bushing interval section (32) is U-shaped, the U-shaped opening and the U-shaped corner of the bushing interval section (32) are provided with positioning holes (321), and two end faces of the special-shaped shaft (3) are provided with oil nozzles (33) forming 90 degrees with two end faces of the special-shaped shaft (3)
2. The upper swing arm assembly of claim 1, wherein: the angle between the reinforcing block (112) and the arm body (11) is smaller than or equal to 90 degrees.
3. The upper swing arm assembly of claim 1, wherein: a plurality of circular protrusions (1121) are arranged in the reinforcing block (112), and cylindrical grooves (11211) are formed in the circular protrusions (1121).
4. The upper swing arm assembly of claim 1, wherein: a reinforcing part (1224) is arranged between the elastic curved part (12231) and the ball head outer seat (1221).
5. The upper swing arm assembly for an automobile according to claim 4, wherein: a second annular groove (1225) is provided between the reinforcement (1224) and the elastic curved portion (12231).
6. The upper swing arm assembly of claim 1, wherein: the ball rod (123) is provided with a first annular connecting piece, and one end of the detachable dust cover (124) is provided with a second annular connecting piece matched with the first annular connecting piece.
7. The upper swing arm assembly for an automobile according to claim 6, wherein: the other end of the detachable dust cover (124) is provided with an annular jogged bulge (1241), and the ball head outer seat (1221) is provided with an annular jogged groove (12213) matched with the annular jogged bulge (1241).
8. The upper swing arm assembly of claim 1, wherein: the upper end part of the ball head rod (123) is provided with a round pin hole (1231), and the outer surface of the ball head rod (123) corresponding to the round pin hole (1231) is provided with a third annular groove (1232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588169.7A CN107310338B (en) | 2017-07-19 | 2017-07-19 | Swing arm assembly on car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588169.7A CN107310338B (en) | 2017-07-19 | 2017-07-19 | Swing arm assembly on car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107310338A CN107310338A (en) | 2017-11-03 |
| CN107310338B true CN107310338B (en) | 2023-10-03 |
Family
ID=60177765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710588169.7A Active CN107310338B (en) | 2017-07-19 | 2017-07-19 | Swing arm assembly on car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107310338B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199606A (en) * | 2018-01-18 | 2019-01-15 | 吴志明 | A kind of open surgery visual field lighting video photographic system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140853A (en) * | 1999-11-16 | 2001-05-22 | Somic Ishikawa:Kk | Pin joint |
| CN204488411U (en) * | 2015-03-13 | 2015-07-22 | 浙江利福德机械有限公司 | Vehicle bracket assembly |
| WO2017014387A1 (en) * | 2015-07-22 | 2017-01-26 | 주식회사 일진 | Ball joint and manufacturing method therefor |
| CN207106084U (en) * | 2017-07-19 | 2018-03-16 | 安徽科源机械有限公司 | A kind of automobile upper swing arm assembly |
-
2017
- 2017-07-19 CN CN201710588169.7A patent/CN107310338B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140853A (en) * | 1999-11-16 | 2001-05-22 | Somic Ishikawa:Kk | Pin joint |
| CN204488411U (en) * | 2015-03-13 | 2015-07-22 | 浙江利福德机械有限公司 | Vehicle bracket assembly |
| WO2017014387A1 (en) * | 2015-07-22 | 2017-01-26 | 주식회사 일진 | Ball joint and manufacturing method therefor |
| CN207106084U (en) * | 2017-07-19 | 2018-03-16 | 安徽科源机械有限公司 | A kind of automobile upper swing arm assembly |
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| Publication number | Publication date |
|---|---|
| CN107310338A (en) | 2017-11-03 |
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