CN114193991A - Automobile suspension swing arm - Google Patents
Automobile suspension swing arm Download PDFInfo
- Publication number
- CN114193991A CN114193991A CN202010980379.2A CN202010980379A CN114193991A CN 114193991 A CN114193991 A CN 114193991A CN 202010980379 A CN202010980379 A CN 202010980379A CN 114193991 A CN114193991 A CN 114193991A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- mounting hole
- bushing
- polyurethane
- stop nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 23
- 229920002635 polyurethane Polymers 0.000 claims abstract description 45
- 239000004814 polyurethane Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 11
- 239000004519 grease Substances 0.000 abstract description 10
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000007062 hydrolysis Effects 0.000 abstract description 3
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000002265 prevention Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001247986 Calotropis procera Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to an automobile suspension swing arm, which comprises a swing arm main body, four polyurethane bushings and two shaft pins, wherein the four polyurethane bushings are arranged on the swing arm main body; a first mounting hole and a second mounting hole are respectively formed in the first end and the second end of the swing arm main body; two ends of the first mounting hole and the second mounting hole are respectively provided with a polyurethane bushing; each shaft pin is respectively and rotatably arranged in two adjacent polyurethane bushings. By adopting the polyurethane bushing, the invention has good tensile strength, tear strength, impact resistance, wear resistance, weather resistance, hydrolysis resistance and oil resistance, and the service life of the bushing is prolonged; lubricating grease is added into the polyurethane bushing and is rotationally arranged in the polyurethane bushing through the pin shaft, so that the problem of abnormal sound during rotation is avoided, the reliability and the stability of the swing arm are improved, and meanwhile, the processing cost of the swing arm shaft pin and the bushing is reduced; the invention has simple structure and reasonable design, and improves the stability, reliability and safety of the vehicle.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to an automobile suspension swing arm.
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 torque 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 that the automobile can run smoothly.
The swing arm is a part of a suspension system of an automobile and is mainly used for guiding and supporting a suspension. The connecting bush of the traditional swing arm has two structural forms, namely a rigid bush which has the defect that abnormal sound is easy to occur in the driving process; secondly, the rubber bush structure adopts the drum formula, and with swing arm round hole interference fit, its shortcoming is that rubber is easy ageing, heat resistance, wear resistance are poor.
Disclosure of Invention
Based on this, the invention aims to overcome the defects and shortcomings in the prior art and provide a suspension swing arm of an automobile.
An automobile suspension swing arm comprises a swing arm main body, four polyurethane bushings and two shaft pins;
a first mounting hole and a second mounting hole are respectively formed in the first end and the second end of the swing arm main body;
two ends of the first mounting hole and the second mounting hole are respectively provided with a polyurethane bushing;
each shaft pin is respectively and rotatably arranged in two adjacent polyurethane bushings.
According to the automobile suspension swing arm, the polyurethane bushing is adopted, so that the automobile suspension swing arm has good tensile strength, tear strength, impact resistance, wear resistance, weather resistance, hydrolysis resistance and oil resistance, and the service life of the bushing is prolonged; lubricating grease is added into the polyurethane bushing and is rotationally arranged in the polyurethane bushing through the pin shaft, so that the problem of abnormal sound during rotation is avoided, the reliability and the stability of the swing arm are improved, and meanwhile, the processing cost of the swing arm shaft pin and the bushing is reduced; the invention has simple structure and reasonable design, and improves the stability, reliability and safety of the vehicle.
Further, the ball head rod is further included; the body part of the ball head rod is detachably arranged at the second end of the swing arm main body; the axial direction of the ball head rod is perpendicular to the axial direction of the first mounting hole; the second mounting hole is provided on an end of the ball stud.
The beneficial effects of adopting above-mentioned further scheme are that, set up the bulb pole through the mode that can dismantle the mode, can change the bulb pole of different specifications according to the demand of difference, the angle of adjustable bulb pole, and then the inclination of adjustment automobile wheel hub improves the security of wheel during operation.
Further, a threaded hole is formed in the second end of the swing arm main body, and the axis direction of the threaded hole is perpendicular to the axis direction of the first mounting hole; the screw rod interlinkage shaft sleeve is also included; the screw rod interlinking shaft sleeve is in threaded connection with the threaded hole; and the body part of the ball head rod is in threaded connection with an inner hole of the screw rod link shaft sleeve.
The beneficial effects of adopting above-mentioned further scheme are that, through setting up the screw rod chaining shaft cover, can avoid the bulb pole direct with swing arm main part threaded connection, improve the life-span of bulb pole, be convenient for simultaneously adjust the angle of bulb pole.
Furthermore, one end of the screw rod link shaft sleeve is sleeved with a hexagonal head.
Adopt above-mentioned further scheme's beneficial effect to be convenient for twist the screw rod and link the axle sleeve through setting up hexagonal head.
Further, the device also comprises a first stop nut and a second stop nut; and the first stop nut and the second stop nut are respectively in threaded connection with the screw rod link shaft sleeve and the rod body part of the ball head rod.
The beneficial effect who adopts above-mentioned further scheme is that, through setting up first lock nut and second lock nut, be convenient for adjust the angle of bulb pole and fix.
Further, the first stop nut is an M24 stop nut, and the second stop nut is a stop nut in the range of M12-M18.
Further, the length of the external thread of the rod body of the screw rod link shaft sleeve and the ball head rod is greater than or equal to 25 mm.
The length of the external thread is greater than or equal to 25mm, the design requirement is met, and the first stop nut and the second stop nut can be adjusted within a safety range.
Furthermore, spherical grooves are uniformly distributed on the inner surface of the polyurethane bushing.
Adopt above-mentioned further scheme's beneficial effect is, through setting up the ball-type recess, can gather and deposit lubricating grease in order to prolong lubricated persistence, avoided the bush to produce abnormal sound simultaneously.
Further, a sealing lip is arranged at the opening of the outer portion of the polyurethane bushing.
Adopt above-mentioned further scheme's beneficial effect is, through setting up the seal lip, reducible lubricating grease leaks, reaches dustproof, prevents silt and waterproof function.
Further, the polyurethane bushing is in interference fit with the first mounting hole and the second mounting hole.
The beneficial effects of adopting above-mentioned further scheme are that, be interference fit through polyurethane bush and first mounting hole and second mounting hole, can prevent that the polyurethane bush from rotating in the mounting hole, avoided causing polyurethane bush surface wear, avoid the polyurethane bush at both ends extrusion phenomenon to appear, improved polyurethane bush life-span.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a swing arm of a vehicle suspension of the present invention;
fig. 2 is an exploded view of the swing arm of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 10. a swing arm main body; 11. a first mounting hole; 12. a threaded hole; 20. a polyurethane bushing; 21. a spherical groove; 22. a sealing lip; 30. a shaft pin; 40. a ball-head rod; 41. a second mounting hole; 50. the screw rod is connected with the shaft sleeve; 51. a hexagonal head; 61. a first stop nut; 62. a second stop nut.
Detailed Description
Referring to fig. 1 to 3, the suspension swing arm of the present embodiment includes a swing arm main body 10, four polyurethane bushings 20, two shaft pins 30, a ball rod 40, a screw link shaft sleeve 50, a first stop nut 61 and a second stop nut 62;
specifically, the polyurethane bushing is a bushing made of polyurethane;
specifically, a first mounting hole 11 and a second mounting hole 41 are respectively formed at a first end and a second end of the swing arm main body 10;
more specifically, a threaded hole 12 is formed in a second end of the swing arm main body 10, and the axial direction of the threaded hole 12 is perpendicular to the axial direction of the first mounting hole 11; the screw rod interlink shaft sleeve 50 is in threaded connection with the threaded hole 12; the body part of the ball head rod 40 is in threaded connection with the inner hole of the screw rod interlinking shaft sleeve 50; the second mounting hole 41 is provided on the end of the ball stud 40;
more specifically, a hexagonal head 51 is sleeved on one end of the screw link shaft sleeve 50;
more specifically, the first stop nut 61 and the second stop nut 62 are respectively in threaded connection with the body portions of the screw link sleeve 50 and the ball stud 40;
more specifically, the first stop nut 61 is an M24 stop nut; the second stop nut 62 is a stop nut in the range of M12-M18; in the embodiment, the second stop nut 62 is preferably a stop nut of M16
More specifically, the length of the external thread of the rod body of the screw link shaft sleeve 50 and the ball rod 40 is greater than or equal to 25mm, and in this embodiment, the length of the external thread of the rod body of the screw link shaft sleeve 50 and the ball rod 40 is preferably equal to 25 mm;
specifically, two ends of the first mounting hole 11 and the second mounting hole 41 are respectively provided with a polyurethane bushing 20; lubricating grease is added into the polyurethane bushing 20;
more specifically, the polyurethane bushing 20 is in interference fit with the first mounting hole 11 and the second mounting hole 41;
more specifically, spherical grooves 21 are uniformly distributed on the inner surface of the polyurethane bushing 20, and by means of the spherical grooves 21, lubricating grease can be accumulated to prolong the lubrication durability and prevent the bushing from generating abnormal sound;
more specifically, a sealing lip 22 is arranged at an external opening of the polyurethane bushing 20, and by arranging the sealing lip 22, leakage of lubricating grease can be reduced, so that the functions of dust prevention, sand prevention and water prevention are achieved;
specifically, each shaft pin 30 is rotatably disposed in two adjacent polyurethane bushings 20.
Compared with the prior art, the polyurethane bushing has the advantages that the polyurethane bushing has good tensile strength, tear strength, impact resistance, wear resistance, weather resistance, hydrolysis resistance and oil resistance, and the service life of the bushing is prolonged; lubricating grease is added into the polyurethane bushing and is rotationally arranged in the polyurethane bushing through the pin shaft, so that the problem of abnormal sound during rotation is avoided, the reliability and the stability of the swing arm are improved, and meanwhile, the processing cost of the swing arm shaft pin and the bushing is reduced; the invention has simple structure and reasonable design, and improves the stability, reliability and safety of the vehicle.
In addition, the invention also has the following beneficial effects:
the ball head rod is detachably arranged, so that the ball head rods with different specifications can be replaced according to different requirements, the angle of the ball head rod can be adjusted, the inclination angle of the automobile hub can be adjusted, and the safety of the wheel during working is improved;
by arranging the screw rod link shaft sleeve, the ball head rod can be prevented from being directly in threaded connection with the swing arm main body, the service life of the ball head rod is prolonged, and meanwhile, the angle of the ball head rod is convenient to adjust;
the hexagonal head is arranged, so that the screw rod is convenient to screw the link shaft sleeve;
the angle of the ball head rod can be conveniently adjusted and fixed by arranging the first stop nut and the second stop nut;
by arranging the spherical groove, lubricating grease can be accumulated to prolong the lubricating durability, and abnormal sound of the bushing is avoided;
by arranging the sealing lip, the leakage of lubricating grease can be reduced, and the functions of dust prevention, silt prevention and water prevention are achieved;
through the interference fit of the polyurethane bushing with the first mounting hole and the second mounting hole, the polyurethane bushing can be prevented from rotating in the mounting hole, the surface abrasion of the polyurethane bushing is avoided, the extrusion phenomenon of the polyurethane bushings at two ends is avoided, and the service life of the polyurethane bushing is prolonged.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A suspension swing arm for a vehicle, comprising
The swing arm comprises a swing arm main body, wherein a first mounting hole and a second mounting hole are respectively formed in a first end and a second end of the swing arm main body;
two ends of the first mounting hole and the second mounting hole are respectively provided with a polyurethane bushing;
and each shaft pin is respectively and rotatably arranged in two adjacent polyurethane bushings.
2. The automotive suspension swing arm of claim 1 further comprising a ball-head bar; the body part of the ball head rod is detachably arranged at the second end of the swing arm main body; the axial direction of the ball head rod is perpendicular to the axial direction of the first mounting hole; the second mounting hole is provided on an end of the ball stud.
3. The automotive suspension swing arm of claim 2, wherein the second end of the swing arm main body is provided with a threaded hole, and the axial direction of the threaded hole is perpendicular to the axial direction of the first mounting hole; the screw rod interlinkage shaft sleeve is also included; the screw rod interlinking shaft sleeve is in threaded connection with the threaded hole; and the body part of the ball head rod is in threaded connection with an inner hole of the screw rod link shaft sleeve.
4. The automotive suspension swing arm of claim 3 wherein one end of the screw link bushing is sleeved with a hex head.
5. The automotive suspension swing arm of claim 4 further comprising a first stop nut and a second stop nut; and the first stop nut and the second stop nut are respectively in threaded connection with the screw rod link shaft sleeve and the rod body part of the ball head rod.
6. The automotive suspension swing arm of claim 5 wherein the first stop nut is an M24 stop nut; the second stop nut is a stop nut in the range of M12-M18.
7. The automotive suspension swing arm of claim 6 wherein the length of the external threads of the screw link bushing and the body of the ball stud is greater than or equal to 25 mm.
8. The automobile suspension swing arm according to any one of claims 1 to 7, wherein spherical grooves are uniformly distributed on the inner surface of the polyurethane bushing.
9. The automotive suspension swing arm of claim 8 wherein the polyurethane bushing has a sealing lip at the outer opening.
10. The automotive suspension swing arm of claim 8 wherein the polyurethane bushing is an interference fit with the first and second mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980379.2A CN114193991A (en) | 2020-09-17 | 2020-09-17 | Automobile suspension swing arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980379.2A CN114193991A (en) | 2020-09-17 | 2020-09-17 | Automobile suspension swing arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114193991A true CN114193991A (en) | 2022-03-18 |
Family
ID=80644753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010980379.2A Pending CN114193991A (en) | 2020-09-17 | 2020-09-17 | Automobile suspension swing arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114193991A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6354614B1 (en) * | 1999-10-08 | 2002-03-12 | Donald R. Ham, Jr. | Link assembly for motor vehicle suspension |
| JP2009255888A (en) * | 2008-03-26 | 2009-11-05 | Tokai Rubber Ind Ltd | Stabilizer bush |
| CN201900958U (en) * | 2010-12-09 | 2011-07-20 | 上海科曼车辆部件系统有限公司 | Thrust rod assembly with rod body in forged structure |
| KR20120080919A (en) * | 2011-01-10 | 2012-07-18 | 두산인프라코어 주식회사 | Anti oil leak and deformation structure of a track adjuster for a construction equipment |
| CN202448707U (en) * | 2012-01-11 | 2012-09-26 | 长沙市比亚迪汽车有限公司 | Stabilizer bar |
| CN204309550U (en) * | 2014-11-27 | 2015-05-06 | 湖南易通汽车配件科技发展有限公司 | A kind of novel guide arm for 7 meters of air bellow rear suspensions |
| CN204432295U (en) * | 2014-12-26 | 2015-07-01 | 长城汽车股份有限公司 | A kind of bushing for automobile stabilizer bar and automobile |
| CN208263920U (en) * | 2017-03-28 | 2018-12-21 | 威马汽车科技集团有限公司 | A kind of stabilizer bar bushing |
| CN210653304U (en) * | 2019-05-06 | 2020-06-02 | 洛阳市凯涛金属有限公司 | Support arm for adjusting camber angle of automobile wheel |
-
2020
- 2020-09-17 CN CN202010980379.2A patent/CN114193991A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6354614B1 (en) * | 1999-10-08 | 2002-03-12 | Donald R. Ham, Jr. | Link assembly for motor vehicle suspension |
| JP2009255888A (en) * | 2008-03-26 | 2009-11-05 | Tokai Rubber Ind Ltd | Stabilizer bush |
| CN201900958U (en) * | 2010-12-09 | 2011-07-20 | 上海科曼车辆部件系统有限公司 | Thrust rod assembly with rod body in forged structure |
| KR20120080919A (en) * | 2011-01-10 | 2012-07-18 | 두산인프라코어 주식회사 | Anti oil leak and deformation structure of a track adjuster for a construction equipment |
| CN202448707U (en) * | 2012-01-11 | 2012-09-26 | 长沙市比亚迪汽车有限公司 | Stabilizer bar |
| CN204309550U (en) * | 2014-11-27 | 2015-05-06 | 湖南易通汽车配件科技发展有限公司 | A kind of novel guide arm for 7 meters of air bellow rear suspensions |
| CN204432295U (en) * | 2014-12-26 | 2015-07-01 | 长城汽车股份有限公司 | A kind of bushing for automobile stabilizer bar and automobile |
| CN208263920U (en) * | 2017-03-28 | 2018-12-21 | 威马汽车科技集团有限公司 | A kind of stabilizer bar bushing |
| CN210653304U (en) * | 2019-05-06 | 2020-06-02 | 洛阳市凯涛金属有限公司 | Support arm for adjusting camber angle of automobile wheel |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220318 |