CN202400152U - Front oscillating arm ball pin of micro passenger car - Google Patents
Front oscillating arm ball pin of micro passenger car Download PDFInfo
- Publication number
- CN202400152U CN202400152U CN2011205701207U CN201120570120U CN202400152U CN 202400152 U CN202400152 U CN 202400152U CN 2011205701207 U CN2011205701207 U CN 2011205701207U CN 201120570120 U CN201120570120 U CN 201120570120U CN 202400152 U CN202400152 U CN 202400152U
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- CN
- China
- Prior art keywords
- pin
- arm ball
- positioning groove
- ball pin
- swing arm
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a front oscillating arm ball pin of a micro passenger car, which comprises a hinge pin (1), wherein one end of the hinge pin (1) is provided with a pin head (2), a positioning groove (3) is arranged on the shaft body of the hinge pin (1), and the positioning groove (3) is an arc groove arranged along the tangential direction of the shaft body of the hinge pin (1). Under the premise that the assembly mode is unchanged and the processing difficulty is not increased, the front oscillating arm ball pin of the micro passenger car greatly improves structural strength, avoids breakage of the hinge pin, effectively eliminates safety hazards, and has the advantages of being ingenious in design, simple in structure, reliable in performance, long in service life and the like.
Description
Technical field
The utility model relates to a kind of automobile component, particularly the front swing arm ball pin on the microvan.
Background technology
The MacPherson type suspension is one of most widely used car forward mounting in the world today, is made up of swing arm under coil spring, bumper and the triangle.In microvan, swing arm is substituted by front swing arm and propelling rod under the triangle.Front swing arm ball pin is the vital part that front swing arm connects steering swivel; Turn to about front-wheel and bob leans on ball pin and the spherical hinge and the front standing pillar assembly of front swing arm formation to realize fully; In case fracture appears in front swing arm ball pin, turning to and braking all of vehicle can be lost efficacy.At present, the connection mode between front swing arm ball pin and the steering swivel is: the bearing pin of front swing arm ball pin stretches in the assembly opening hole of steering swivel, on bearing pin, has an annular groove, and bolt passes the annular groove place that is stuck in bearing pin behind the steering swivel and plays the location.Because stress concentration was in the bottom land place of annular groove when front swing arm ball pin bearing pin was stressed; And the profile cross-section at bearing pin annular groove place is long-pending less; Front swing arm ball pin might rupture from annular groove when stressed; Not only do not ensure service life, and can seriously injure the safety traffic of microvan.
The utility model content
The utility model technical matters to be solved is to provide a kind of microvan front swing arm ball pin of rupturing of effectively preventing.
The technical scheme of the utility model is following: a kind of microvan front swing arm ball pin; Comprise bearing pin (1); End at bearing pin (1) is provided with pin head (2); And offer positioning groove (3) on the axle body of bearing pin (1), the arc groove of said positioning groove (3) for offering along bearing pin (1) axle body tangential direction.
The arc groove that the utility model is offered with tangential direction substitutes the annular groove in the background technology, can make things convenient for bolt to snap in when assembling so on the one hand, can not influence the positioning action of bolt; On the other hand, front swing arm ball pin bearing pin is big at the section cross-sectional area at arc groove place, and intensity is reliable, and when receiving transverse force, can avoid stress too concentrated, thereby has prevented that effectively bearing pin from rupturing, and has guaranteed the performance and the service life of front swing arm ball pin.
The arc radius of said positioning groove (3) is 4.0～7.5mm, and the innermost degree of depth of positioning groove (3) is 1.0～5.0mm.The radius of positioning groove is too small, and the diameter that is stuck in the dowel bolt here need diminish thereupon, can influence the anti-fracture energy of dowel bolt; The radius of positioning groove is excessive, and under the situation of same width, the degree of depth of positioning groove can shoal, and can influence the locating effect of dowel bolt, reduces bonded assembly reliability between front swing arm ball pin and the steering swivel.The degree of depth of positioning groove is excessive, can reduce the section cross-sectional area of positioning groove place bearing pin, reduces the structural strength that bearing pin should be located.Therefore, the specification of positioning groove with above-mentioned be of a size of suitable, can take into account structure intensity and with dowel bolt bonded assembly fixing.
Beneficial effect: the utility model is not changing fit, is not increasing under the prerequisite of difficulty of processing; Can improve the structural strength of front swing arm ball pin greatly; Avoid the bearing pin of front swing arm ball pin to rupture; Effectively eliminate potential safety hazard, had characteristics such as design is ingenious, simple in structure, dependable performance, long service life.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the birds-eye view of this Fig. 1.
Fig. 3 is the running condition figure of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Like Fig. 1, shown in Figure 2, the utility model is made up of bearing pin 1 and pin head 2, and pin 2 be spherical, is positioned at an end of bearing pin 1, and sell 2 and bearing pin 1 be integral structure.On the axle body of said bearing pin 1, offer positioning groove 3, the arc groove of this positioning groove 3 for offering along bearing pin 1 axle body tangential direction.The arc radius of said positioning groove 3 is 4.0～7.5mm, and the positioning groove 3 innermost degree of depth are 1.0～5.0mm.The arc radius of positioning groove 3 and the degree of depth are confirmed according to actual needs, do not do at this and give unnecessary details.
As shown in Figure 3; During assembling, in the front swing arm 4 of elder generation with pin 2 an insertion microvan of front swing arm ball pin, dust boot 5 on the cover; Then bearing pin 1 is inserted in the assembly opening of steering swivel 6; Pass steering swivel 6 with a bolt 7 along the tangential direction of bearing pin at last, this bolt 7 is stuck in positioning groove 3 places of bearing pin 1, plays the effect of location.Under the effect of the utility model and bolt 7, steering swivel 6 links together with front swing arm 4.
Claims (2)
1. microvan front swing arm ball pin; Comprise bearing pin (1); End at bearing pin (1) is provided with pin head (2), and offers positioning groove (3) on the axle body of bearing pin (1), it is characterized in that: the arc groove of said positioning groove (3) for offering along bearing pin (1) axle body tangential direction.
2. microvan front swing arm ball pin as claimed in claim 1, it is characterized in that: the arc radius of said positioning groove (3) is 4.0-7.5mm, the innermost degree of depth of positioning groove (3) is 1.0-5.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205701207U CN202400152U (en) | 2011-12-07 | 2011-12-31 | Front oscillating arm ball pin of micro passenger car |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120503374 | 2011-12-07 | ||
| CN201120503374.7 | 2011-12-07 | ||
| CN2011205701207U CN202400152U (en) | 2011-12-07 | 2011-12-31 | Front oscillating arm ball pin of micro passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202400152U true CN202400152U (en) | 2012-08-29 |
Family
ID=46697819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205701207U Expired - Fee Related CN202400152U (en) | 2011-12-07 | 2011-12-31 | Front oscillating arm ball pin of micro passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202400152U (en) |
-
2011
- 2011-12-31 CN CN2011205701207U patent/CN202400152U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20171231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |