CN107314035A - Bushing, spindle and automobile - Google Patents
Bushing, spindle and automobile Download PDFInfo
- Publication number
- CN107314035A CN107314035A CN201610264673.7A CN201610264673A CN107314035A CN 107314035 A CN107314035 A CN 107314035A CN 201610264673 A CN201610264673 A CN 201610264673A CN 107314035 A CN107314035 A CN 107314035A
- Authority
- CN
- China
- Prior art keywords
- bushing
- bush hole
- knuckle
- fillet
- spindle
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
Abstract
A kind of bushing, spindle and automobile, wherein, bushing is used to be fitted in the bush hole of spindle, including：Cylindrical body, the cylindrical body has vertically to be used to insert the insertion end to the bush hole, and the end of the insertion end towards the bush hole has rounding corner structure.The bushing of the present invention has rounding corner structure due to the end of insertion end towards bush hole, so that insertion end is rounder and more smooth, it is no longer sharp, knuckle body is difficult to be scraped aluminium skimmings, after bushing press-mounting enters in the bush hole of knuckle, the extrusion pressure increase of bushing, bushing is difficult to extrude out of knuckle bush hole, the knuckle for being equipped with bushing meets design requirement, product qualification rate lifting, and bushing can preferably play a part of damping, buffering, increase intensity and positioning in knuckle.
Description
Technical field
The present invention relates to automobile technical field, and in particular to a kind of bushing, spindle and automobile.
Background technology
Spindle (Steering Knuckle) is also known as " goat's horn ", is important zero in steering axle of automobile
One of part, can be such that vehicle steadily travels and sensitive transmission travel direction.The function of knuckle is to transmit simultaneously
Automotive front load is born, supports and drives front-wheel to be rotated around stub and make motor turning.In running car
Under state, it subjects changeable shock loading, it is therefore desirable to which it has very high intensity.
Spindle bushing is the critical component being assemblied in the bush hole of knuckle, have play damping,
Buffering and positioning action, what is also had plays a part of increase intensity and positioning, the abrasion meeting of knuckle bushing
Cause the positioning of knuckle bad, and then the accuracy for causing vehicle to be turned to when travelling.
At present, during the press-fiting of knuckle and bushing, because knuckle bushing is used to insert to bush hole
End construction causes the pressure assembling force of the two general in 4.08KN-8.04KN, extrusion pressure is 1.98KN without chamfering
Left and right, extrusion pressure is too small, does not meet knuckle design requirement, and the disqualification rate of product increases, reduced
Efficiency of assembling；In addition, the outer tube or knuckle body of bushing are typically made of aluminum, the hardness of aluminium is low, resistance to
Mill property is poor；Therefore when press-fiting, because knuckle bushing is used to insert the end construction to bush hole without
Angle, end is more sharp, and knuckle body is easily scraped substantial amounts of aluminium skimmings, further results in extrusion pressure mistake
It is small, and fluctuation is big, the bushing performance and quality of assembling product has been had a strong impact on, so as to influence vehicle
Security.
The content of the invention
The problem of present invention is solved is that bushing is used to insert sharper to the end construction of bush hole in the prior art
Sharp, during bushing press-mounting enters the bush hole of knuckle, knuckle body is easily scraped substantial amounts of aluminium
Bits, cause the extrusion pressure of bushing smaller, knuckle does not meet design requirement, knuckle product disqualification rate
Increase.
To solve the above problems, the present invention provides a kind of bushing, the bushing for being fitted in spindle
In hole, including：Cylindrical body, the cylindrical body has vertically to be used to insert inserting to the bush hole
Enter end, the end of the insertion end towards the bush hole has rounding corner structure.
Optionally, vertically, the rounding corner structure includes：First fillet, first fillet towards
The bush hole；Second fillet, is connected between second fillet and first fillet by chamfering.
Optionally, the rounding length of the rounding corner structure is 2.2mm-3.2mm.
Optionally, the chamfer radius of first fillet are 0.5mm-1mm.
Optionally, the chamfer radius of second fillet are 4.5mm-5mm.
Optionally, second fillet is 25 ° -35 ° of fillet.
Optionally, the cylindrical body also has positive stop end, the positive stop end and the insertion end vertically
Relatively, the positive stop end is used to prevent the bushing edge from plugging direction and extruding out of described bush hole.
Optionally, the positive stop end is around the projection on the cylindrical body outer peripheral face.
The present invention also provide be pressed with a kind of spindle, including bush hole, the bush hole it is above-mentioned
Bushing described in any one.
The present invention also provides a kind of automobile, including spindle described above.
Compared with prior art, technical scheme has advantages below：
The bushing of the present invention includes cylindrical body, and cylindrical body has vertically to be used to insert the lining to knuckle
The insertion end in hole is covered, the end of insertion end towards bush hole has rounding corner structure so that insertion end is relatively round
Sliding, no longer sharply, knuckle body is difficult to be scraped aluminium skimmings, and bushing press-mounting enters in the bush hole of knuckle
Afterwards, extrusion pressure is in 3.84KN-5.643KN；The extrusion pressure increase of bushing, bushing is difficult the lining from knuckle
Cover in hole and extrude, the knuckle for being equipped with bushing meets design requirement, product qualification rate lifting, bushing energy
It is enough preferably to play a part of damping, buffering, increase intensity and positioning in knuckle.
Brief description of the drawings
Fig. 1 is the stereogram of bushing of the embodiment of the present invention；
Fig. 2 is the front view of bushing of the embodiment of the present invention；
Fig. 3 is the enlarged drawing of part A in Fig. 1；
Fig. 4 is the enlarged drawing of E parts in Fig. 2；
Fig. 5 is schematic diagram of the bushing press-mounting of the embodiment of the present invention in knuckle.
Embodiment
Bushing is used to insert more sharp to the end construction of bush hole in the prior art, and bushing press-mounting is entered to turn to
During the bush hole of section, knuckle body is easily scraped substantial amounts of aluminium skimmings, causes the extrusion of bushing
Power is smaller, and knuckle does not meet design requirement.The insertion end of bushing of the present invention has towards the end of bush hole
There is rounding corner structure so that insertion end is rounder and more smooth, no longer sharply, knuckle body is difficult to be scraped aluminium skimmings,
After bushing press-mounting enters in the bush hole of knuckle, the extrusion pressure increase of bushing, knuckle meets design requirement.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings
The specific embodiment of the present invention is described in detail.
With reference to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of bushing 10, for being fitted in motor turning
In the bush hole 21 for saving 20 (referring to Fig. 5), the bushing 10 of the embodiment of the present invention includes：Cylindrical body
11, cylindrical body 11 is made by aluminium, and cylindrical body 11 has vertically to be used to insert inserting to bush hole 21
Enter end, the end of insertion end towards bush hole 21 has rounding corner structure 12 (referring to Fig. 3 and Fig. 4).
Because the end of insertion end towards the bush hole 21 of bushing 10 has rounding corner structure 12 so that insert
Enter end rounder and more smooth, no longer sharply.When round and smooth insertion end is contacted with the inwall of the bush hole 21 of knuckle,
Knuckle body is difficult to be scraped aluminium skimmings, after bushing 10 press-fits into the bush hole 21 of knuckle 20, pressure
Exert oneself in 3.84KN-5.64KN, including 3.84KN and 5.64KN.
In the prior art, during the press-fiting of knuckle and bushing, due to knuckle bushing be used to inserting to
The end construction of bush hole causes the pressure assembling force of the two general in 4.08KN-8.04KN, extruded without chamfering
Power is 1.98KN or so, and extrusion pressure is too small, does not meet knuckle design requirement, and the disqualification rate of product increases
It is many, reduce efficiency of assembling；In addition, the outer tube or knuckle body of bushing are typically made of aluminum, aluminium
Hardness is low, wearability is poor；Therefore when press-fiting, because knuckle bushing is used to insert the end to bush hole
Portion's structure is without chamfering, and end is more sharp, and knuckle body is easily scraped substantial amounts of aluminium skimmings, further leads
Cause extrusion pressure too small, and fluctuation is big, has had a strong impact on the bushing performance and quality of assembling product, from
And influence the security of vehicle.
The extrusion pressure increase of the bushing 10 of the embodiment of the present invention, treats that bushing 10 is press-fited into knuckle 20
After in bush hole 21, bushing 10 is difficult to extrude out of knuckle 20 bush hole 21.It is equipped with bushing
10 knuckle 20 meets design requirement, and product qualification rate lifting, bushing 10 can turned to preferably
Play a part of damping, buffering, increase intensity and positioning in section 20.
With reference to Fig. 3 and Fig. 4 and with reference to shown in Fig. 1, in the present embodiment, vertically, rounding corner structure 12
Including：First fillet B, the first fillet B is towards bush hole 21；Second fillet D, the second fillet D with
It is connected between first fillet B by chamfering C.In the present embodiment, fillet can be understood as the appearance of fillet
Mask is cambered, and the outer surface that chamfering can be understood as chamfering is smooth surface, no radian characteristic.
Figure 4, it is seen that the second fillet D and the first fillet B have radian, the second fillet D and first
It is connected between fillet B by straight line (the chamfering C i.e. under main view angle).
In addition, with reference to Fig. 4, in the present embodiment, the rounding length L of rounding corner structure 12 is
2.2mm-3.2mm, including 2.2mm and 3.2mm.In the present embodiment, rounding length L is appreciated that
For length of the rounding corner structure 12 in the axial direction of cylindrical body 11.In the present embodiment, rounding corner structure
If 12 rounding angular breadth L is too small, when being, for example, less than 2.2mm, it will make it that rounding corner structure 12 is whole
Body, which seems, to be excessively sharp (along the axial direction of cylindrical body 11, rounding corner structure accounting is small).Press-fiting bushing
During 10, the inwall of the bush hole 21 of knuckle body there is a possibility that to be scraped aluminium skimmings.But,
The rounding length L of rounding corner structure 12 can not be long, such as more than 3.2mm after, bushing 12 is pressed
After putting into bush hole 21, bushing 10 and the magnitude of interference of bush hole 21 can not meet requirement, reduce lining
The extrusion pressure of set 10, the general magnitude of interference requires 0.007mm-0.061mm.Therefore, rounding corner structure 12
Rounding length L be 2.2mm-3.2mm when, the insertion end of bushing 10 is rounder and more smooth, knuckle body
It is difficult to be scraped aluminium skimmings, also meets the magnitude of interference requirement between bushing 10 and bush hole 21, also improve
The extrusion pressure of bushing 10.
Particularly, in the present embodiment, the first fillet B chamfer radius R1 is 0.5mm-1mm, bag
Include 0.5mm and 1mm；Second fillet D chamfer radius R2 is 4.5mm-5mm, including 4.5mm
And 5mm.Second fillet D is 25 ° -35 ° of fillet (angle be in Fig. 4 shown in α).
With continued reference to Fig. 1 and Fig. 2 and with reference to shown in Fig. 5, cylindrical body 11 is gone back vertically in the present embodiment
With positive stop end 13, positive stop end 13 is relative with insertion end, and positive stop end 13 is used to prevent bushing 10 along plugging
Direction is extruded out of bush hole 21.In the present embodiment, positive stop end 13 is around outside cylindrical body 11
Projection on side face, raised external diameter is more than the external diameter of cylindrical body 11.Correspondingly, knuckle 20
Provided with the holding tank 22 for accommodating positive stop end 13 at the opening of bush hole 21, from figure 5 it can be seen that holding
Receive groove 22 diameter be more than bush hole 21 diameter.So, when positive stop end 13 is located in holding tank 22
When, holding tank 22 prevents bushing 10 from continuing to be pressed into bush hole 21.
The embodiment of the present invention also provides a kind of processing technology for processing the present embodiment bushing, including following technique
Step：
1) clamping
Bushing is clamped in vertical machining centre, the cutter used in chamfering is recalled；
2) process
According to feature and the requirement of machining center of the structure and quantity of cutter knife, and processing, control
Machining center speed of mainshaft 3000-4000r/min, the cutting speed for controlling chamfering tool is
300-600m/min, roughness and its stability to improve piece surface, it is ensured that obtain relatively low pressure
Power is filled, and its force value is relatively stablized, and finally gives rounding corner structure：First fillet B, the second fillet D,
It is connected between second fillet D and the first fillet B by chamfering C.Wherein, the first fillet B chamfering half
Footpath R1 is 0.5mm-1mm, including 0.5mm and 1mm；Second fillet D chamfer radius R2 is
4.5mm-5mm, including 4.5mm and 5mm.Second fillet D is 25 ° -35 ° of fillet.Rounding
The rounding length L of structure 12 is 2.2mm-3.2mm, including 2.2mm and 3.2mm.
3) press-fit
Bushing 10 is press fit into the bush hole 21 of knuckle 20, bushing 10 and the magnitude of interference of bush hole 21
For 0.007mm-0.061mm, press-fit speed for 40-50m/min, bushing pressing-in force 3.93-5.87KN,
Extreme difference is 1.94KN, and extrusion pressure 3.84-5.64KN, extreme difference is 1.8KN, and pressing-in force is substantially reduced.And
And pressing-in force and extrusion pressure force value are more stable, press-fit process and are easily controlled, press-in bushing is scraped before solving
The problem of going out aluminium skimmings, extrusion pressure is too small to be unsatisfactory for knuckle requirement, improves product quality.Knuckle is served as a contrast
Set can be smoothly pressed into knuckle bushing hole, improved efficiency of assembling, reduced the fraction defective of product
And processing cost, improve the quality and performance of whole slewing journal structure.
The embodiment of the present invention also provides a kind of spindle 20, including bush hole 21, the bush hole 21
Inside it is pressed with any of the above-described described bushing 10.
The embodiment of the present invention also provides a kind of automobile, including spindle described above.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore the guarantor of the present invention
Shield scope should be defined by claim limited range.
Claims (10)
1. a kind of bushing, for being fitted in the bush hole of spindle, it is characterised in that including：Column
Body, the cylindrical body has vertically to be used to insert the insertion end to the bush hole, the insertion
End face has rounding corner structure to the end of the bush hole.
2. bushing as claimed in claim 1, it is characterised in that vertically, the rounding corner structure includes：
First fillet, first fillet is towards the bush hole；
Second fillet, is connected between second fillet and first fillet by chamfering.
3. bushing as claimed in claim 1, it is characterised in that the rounding length of the rounding corner structure is
2.2mm-3.2mm。
4. bushing as claimed in claim 2, it is characterised in that the chamfer radius of first fillet are
0.5mm-1mm。
5. bushing as claimed in claim 2, it is characterised in that the chamfer radius of second fillet are
4.5mm-5mm。
6. bushing as claimed in claim 2, it is characterised in that second fillet is 25 ° -35 ° of fillet.
7. bushing as claimed in claim 1, it is characterised in that the cylindrical body also has spacing vertically
End, the positive stop end is relative with the insertion end, and the positive stop end is used to prevent the bushing edge from plugging
Direction is extruded out of described bush hole.
8. bushing as claimed in claim 7, it is characterised in that the positive stop end is around located at the column
Projection on body peripheral face.
9. a kind of spindle, including bush hole, it is characterised in that right is pressed with the bush hole will
Seek the bushing described in any one of 1-8.
10. a kind of automobile, it is characterised in that including the spindle described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264673.7A CN107314035A (en) | 2016-04-26 | 2016-04-26 | Bushing, spindle and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264673.7A CN107314035A (en) | 2016-04-26 | 2016-04-26 | Bushing, spindle and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107314035A true CN107314035A (en) | 2017-11-03 |
Family
ID=60185611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610264673.7A Pending CN107314035A (en) | 2016-04-26 | 2016-04-26 | Bushing, spindle and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314035A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791952A (en) * | 2020-07-30 | 2020-10-20 | 海盐猛凌汽车配件有限公司 | New energy automobile front steering knuckle steel bushing and preparation method thereof |
| CN113581287A (en) * | 2021-08-23 | 2021-11-02 | 岚图汽车科技有限公司 | Anti-drop ball pin assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009138945A (en) * | 2009-02-06 | 2009-06-25 | Oiles Ind Co Ltd | Bush bearing |
| CN201753076U (en) * | 2010-05-19 | 2011-03-02 | 比亚迪股份有限公司 | Steering knuckle assembly |
| CN102506065A (en) * | 2011-12-16 | 2012-06-20 | 江苏南方轴承股份有限公司 | Drawn cup needle roller bearing |
| CN203257832U (en) * | 2013-05-10 | 2013-10-30 | 四川制动科技股份有限公司 | Bevel structure with body and sleeve in interference fit |
| CN103410867A (en) * | 2013-08-21 | 2013-11-27 | 湖南中联重科车桥有限公司 | Bearing component, steering bridge and vehicle |
| CN103790943A (en) * | 2012-10-30 | 2014-05-14 | 瓦房店福斯特轴承科技开发有限公司 | Four-row cylindrical roller bearing based on outer ring provided with chamfers |
| CN104843062A (en) * | 2015-05-30 | 2015-08-19 | 威海伯特利萨克迪汽车安全系统有限公司 | Automobile steering knuckle structure and machining process thereof |
| CN105253199A (en) * | 2015-10-30 | 2016-01-20 | 成都格瑞思文化传播有限公司 | Novel automobile steering knuckle |
-
2016
- 2016-04-26 CN CN201610264673.7A patent/CN107314035A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009138945A (en) * | 2009-02-06 | 2009-06-25 | Oiles Ind Co Ltd | Bush bearing |
| CN201753076U (en) * | 2010-05-19 | 2011-03-02 | 比亚迪股份有限公司 | Steering knuckle assembly |
| CN102506065A (en) * | 2011-12-16 | 2012-06-20 | 江苏南方轴承股份有限公司 | Drawn cup needle roller bearing |
| CN103790943A (en) * | 2012-10-30 | 2014-05-14 | 瓦房店福斯特轴承科技开发有限公司 | Four-row cylindrical roller bearing based on outer ring provided with chamfers |
| CN203257832U (en) * | 2013-05-10 | 2013-10-30 | 四川制动科技股份有限公司 | Bevel structure with body and sleeve in interference fit |
| CN103410867A (en) * | 2013-08-21 | 2013-11-27 | 湖南中联重科车桥有限公司 | Bearing component, steering bridge and vehicle |
| CN104843062A (en) * | 2015-05-30 | 2015-08-19 | 威海伯特利萨克迪汽车安全系统有限公司 | Automobile steering knuckle structure and machining process thereof |
| CN105253199A (en) * | 2015-10-30 | 2016-01-20 | 成都格瑞思文化传播有限公司 | Novel automobile steering knuckle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791952A (en) * | 2020-07-30 | 2020-10-20 | 海盐猛凌汽车配件有限公司 | New energy automobile front steering knuckle steel bushing and preparation method thereof |
| CN111791952B (en) * | 2020-07-30 | 2024-03-26 | 海盐猛凌汽车配件有限公司 | New energy automobile front knuckle steel sleeve and preparation method thereof |
| CN113581287A (en) * | 2021-08-23 | 2021-11-02 | 岚图汽车科技有限公司 | Anti-drop ball pin assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |
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| RJ01 | Rejection of invention patent application after publication |