CN106956561A - The connecting rod of QS and the processing technology of ball pin assembly - Google Patents
The connecting rod of QS and the processing technology of ball pin assembly Download PDFInfo
- Publication number
- CN106956561A CN106956561A CN201710123608.7A CN201710123608A CN106956561A CN 106956561 A CN106956561 A CN 106956561A CN 201710123608 A CN201710123608 A CN 201710123608A CN 106956561 A CN106956561 A CN 106956561A
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- CN
- China
- Prior art keywords
- ball pin
- bar
- connecting rod
- assembly
- ball
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/005—Ball joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/13—Torsion spring
- B60G2202/135—Stabiliser bar and/or tube
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of connecting rod of QS and the processing technology of ball pin assembly, the connecting rod of the QS includes：Ball pin seat assembly, the ball pin seat assembly has intermediate connecting rod and ball pin seat；Bushing, the bushing is arranged in the ball pin seat and with spherical installation cavity；Ball pin assembly, the ball pin assembly includes ball pin and ball pin bar, and the ball pin is fixedly connected with the ball pin bar and is hinged with the installation cavity, and one end of the remote ball pin bar of the ball pin is sphere.The connecting rod of the QS of the embodiment of the present invention, by setting whole spherical ball pin, can make ball pin and the contact area of bushing keep constant, prevent liner wear, connecting rod torque in swing process is stable, and job specification is good.
Description
Technical field
The present invention relates to a kind of connecting rod of QS and the processing technology of ball pin assembly.
Background technology
Vehicle is when straight-line travelling is on rough road or in turning driving, and the wheel of the left and right sides is in different height
Horizontal inclination can occur for degree, vehicle body, and to prevent the inclination of vehicle body transverse direction and improving ride comfort, QS can be increased more than vehicle.
QS is fixed on the lower trailing arm of left and right suspension or damper traveller by connecting rod, and connecting rod passes through ball pin structure
In assembling, correlation technique, the processing technology of ball pin assembly is：It is raw material, cold-heading, rolled thread, turning (rough turn, smart car), tumbling, clear
Wash.
Section is left because machining is difficult to complete ball-type in the end of ball pin so that ball pin swing process in bushing
Middle ball pin and bushing interface product is diminished because of section, liner wear accelerates, the service life reduction of connecting rod.And ball pin hair
Process is more during base cold-heading, mould structure is complicated；In ball pin turning process because complex structure, blank allowance compared with
Greatly, it is necessary to which turning twice (rough turn, smart car) is completed, processing is less efficient, and wastage of material is more；Two when ball pin ball terminal is processed
Polar circle degree is not easy roughness in guarantee, ball pin tumbling processes and is not easy to ensure, and tumbling pressure is not easy regulation, and tumbling wheel holds
It is fragile.
The content of the invention
In view of this, the present invention is directed to propose a kind of connecting rod of QS, to prevent liner wear.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of connecting rod of QS, including：Ball pin seat assembly, the ball pin seat assembly has intermediate connecting rod and ball
Key seat；Bushing, the bushing is arranged in the ball pin seat and with spherical installation cavity；Ball pin assembly, the ball pin assembly
Including ball pin and ball pin bar, the ball pin is fixedly connected with the ball pin bar and is hinged with the installation cavity, the ball pin it is remote
One end from the ball pin bar is sphere.
Further, the ball pin is weldingly connected with the ball pin bar.
Further, the ball pin bar include thread segment and cervical part of esophagus, one end of remote the thread segment of the cervical part of esophagus and
The ball pin is connected, and boss is provided between the thread segment and the cervical part of esophagus.
Further, the cervical part of esophagus includes conical section and cylindrical section, and the cylindrical section is connected with the boss, the taper
Section is connected with the ball pin, and rib circle is provided between the conical section and the cylindrical section.
Further, the connecting rod of described QS also includes：Dirt-proof boot and jump ring, and the one of the dirt-proof boot
End is set between the boss and rib circle, and the other end is clamped on outside the ball pin seat by jump ring.
Relative to prior art, the connecting rod of QS of the present invention has the advantage that：
1) connecting rod of QS according to embodiments of the present invention, by setting whole spherical ball pin, can make ball
The contact area of pin and bushing keeps constant, prevents liner wear, and connecting rod torque in swing process is stable, job specification
It is good.
Another object of the present invention is to propose a kind of processing technology of ball pin assembly, the ball pin assembly include ball pin and
Ball pin bar, the processing technology includes：Process spherical ball pin；Process ball pin bar；Ball pin is fixedly connected with ball pin bar.
Further, the step processes spherical ball pin and included：Embryo processed, makes spherical blank；Corase grind, by bulb-hair
Base is put into mill, plus lubricant and coarse grained abrasive, is roughly ground；The lubricant and corase grind of blank surface are cleaned after cleaning, corase grind
Material；Fine grinding, atomizer mill is put into by the blank after cleaning, is added low viscosity lubricant and finer abrasive, is milled to target size；Polishing.
Further, the step processing ball pin bar includes：Make blank bar；Vehicle Processing blank bar makes ball pin bar.
Further, it is cold-heading machine-shaping that the step, which makes blank bar,.
Further, the step by ball pin be fixedly connected with ball pin bar including：Ball pin is welded to connect with ball pin bar.
Relative to prior art, the processing technology of ball pin assembly of the present invention has the advantage that：
1) processing technology of ball pin assembly according to embodiments of the present invention, can be with by using split type processing mode
Increase the processing efficiency of ball pin assembly, reduce the waste of material, reduce processing cost.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the connecting rod described in the embodiment of the present invention；
Fig. 2 is the structural representation of the ball pin assembly described in the embodiment of the present invention；
Fig. 3 is the processing technology schematic diagram of the ball pin assembly described in the embodiment of the present invention.
Description of reference numerals：
Connecting rod 100,
Ball pin seat assembly 1, intermediate connecting rod 11, ball pin seat 12,
Ball pin assembly 2, ball pin 21, ball pin bar 22, blank bar 22a, cervical part of esophagus 221, rib circle 222, boss 223, thread segment
224, interior hexagonal hole 225,
Bushing 3, dirt-proof boot 4, jump ring 5, gland 6.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The connecting rod 100 of QS is used to slide the lower trailing arm or damper that QS is fixed on left and right suspension
On post, for four-wheel car, each car is provided with 4 connecting rods 100.
As Figure 1-Figure 2, the connecting rod 100 of QS includes ball pin seat assembly 1, bushing 3 and ball pin assembly 2.
Wherein, ball pin seat assembly 1 has intermediate connecting rod 11 and ball pin seat 12, and ball pin seat 12 is fixed with intermediate connecting rod 11 to be connected
Connect, such as ball pin seat 12 can be weldingly connected with intermediate connecting rod 11, ball pin seat 12 can be two, and two ball pin seats 12 connect respectively
The two ends of intermediate connecting rod 11 are connected on, accordingly, bushing 3 and ball pin assembly 2 can also be two.Ball pin seat 12 can be substantially round
The cavity structure of the near cylindrical of both ends open can be provided with cylindricality, and ball pin seat 12, ball pin seat assembly 1 is used to support ball
Pin 21 and transmitting torque.
Bushing 3 is arranged in ball pin seat 12, and bushing 3 has spherical installation cavity, and the installation cavity of bushing 3 is used to wrap up ball pin
The ball pin 21 of assembly 2.Specifically, the external structure of bushing 3 is near cylindrical, and the inner surface of bushing 3 can be provided with oil storage tank
Structure, bushing 3 can be made up of plastic material.Bushing 3 is used for the ball pin 21 for coating ball pin assembly 2, and loads in ball pin seat 12,
Bushing 3 can play storage grease, it is to avoid the effect that ball pin 21 is worn and torn with ball pin seat 12.
Ball pin assembly 2 includes ball pin 21 and ball pin bar 22, and ball pin 21 is fixedly connected with ball pin bar 22, such as ball pin 21 can be with
It is weldingly connected with ball pin bar 22, and ball pin 21 and the installation cavity of bushing 3 are hinged, ball pin 21 can be interference fitted with bushing 3, ball pin
One end of 21 remote ball pin bar 22 is sphere.
Ball pin 21 has 1 rotational freedom and 2 swing frees degree, due to one end of the remote ball pin bar 22 of ball pin 21
For sphere, substantially complete ball-type body is interference fitted with bushing 3, and ball pin 21 and the contact area of bushing 3 can in swing process
Keep constant, both uniform forces are constant, not easy to wear.
The connecting rod 100 of QS according to embodiments of the present invention, by setting whole spherical ball pin 21, can make
Ball pin 21 and the contact area of bushing 3 keep constant, prevent that bushing 3 from wearing and tearing, and the torque in swing process of connecting rod 100 is stable,
Job specification is good.
In some preferred embodiments of the present invention, as shown in Fig. 2 ball pin bar 22 can include thread segment 224 and neck
Section 221, one end of the remote thread segment 224 of cervical part of esophagus 221 is connected with ball pin 21, and the free end face of thread segment 224 can be provided with interior
Hexagonal hole 225, is provided with boss 223 between thread segment 224 and cervical part of esophagus 221, cervical part of esophagus 221 can include conical section and cylindrical section, circle
Shell of column is connected with boss 223, and conical section is connected with ball pin 21, and rib circle 222, rib circle 222 are provided between conical section and cylindrical section
Groove is formed between boss 223.By setting conical section, help to aid in the rotation of ball pin assembly 2.
As shown in figure 1, connecting rod 100 also includes：Dirt-proof boot 4 and jump ring 5 and gland 6.
Wherein, gland 6 can be circular steel plate, for ball pin 21 and bushing 3 to be pressed in ball pin seat 12, and ensure envelope
The sealing of mouth face, prevents that the foreign matters such as silt from entering inside ball pin assembly 2.
The centre of dirt-proof boot 4 is bulge shape, and dirt-proof boot 4 can be elastomeric material, with sealing function, prevent silt etc.
Foreign matter enters inside ball pin assembly 2, and one end of dirt-proof boot 4 is set between boss 223 and rib circle 222, the other end of dirt-proof boot 4
It is clamped on by jump ring 5 outside ball pin seat 12, neck can be provided with the outer peripheral face of ball pin seat 12, the other end card of dirt-proof boot 4 is set
In neck and by the clamping of jump ring 5, jump ring 5 can be the ring-spring being superimposed, for dirt-proof boot 4 to be clamped on into ball pin
Seat 12 necks on, prevent dirt-proof boot 4 come off and realize the lower end of dirt-proof boot 4 sealing effect.
The processing technology of ball pin assembly 2 according to embodiments of the present invention is described below.
As shown in Figure 1-Figure 3, ball pin assembly 2 includes ball pin 21 and ball pin bar 22, and ball pin 21 is spherical, and ball pin assembly 2 can
Think the ball pin assembly 2 of any of the above-described kind of embodiment description.
As shown in figure 3, the processing technology of ball pin assembly 2 comprises the following steps：Process spherical ball pin 21；Process ball
Pin rod 22；Ball pin 21 is fixedly connected with ball pin bar 22.
That is, the processing technology of the ball pin assembly 2 of the embodiment of the present invention and non-usage integral material do subtract material method by
Ball pin assembly 2 is gradually processed, but by ball pin 21 and the parts processing of ball pin bar 22, finally by the ball pin 21 and ball pin that machine
Bar 22 is fixedly connected, and constitutes ball pin assembly 2.
So, can simplify the processing of ball pin 21 and ball pin bar 22, and the processing mode of ball pin 21 selection not by ball pin
Bar 22 is interfered, and is not limited to turnery processing, reduces tumbling technique, and one end of the remote ball pin bar 22 of ball pin 21 can be processed as
Sphere, the processing mode of ball pin bar 22 is not interfered by ball pin 21, can greatly promote processing efficiency, reduces the waste of material.
The processing technology of ball pin assembly 2 according to embodiments of the present invention, by using split type processing mode, Ke Yizeng
The processing efficiency of ball adding pin assembly 2, reduces the waste of material, reduces processing cost.
In some preferred embodiments of the present invention, step, which processes spherical ball pin 21, to be included：Embryo processed, makes spherical
Blank；Corase grind, spherical blank is put into mill, plus lubricant and coarse grained abrasive, is roughly ground；Blank is cleaned after cleaning, corase grind
The lubricant and coarse grained abrasive on surface；Fine grinding, atomizer mill is put into by the blank after cleaning, adds low viscosity lubricant and finer abrasive,
It is milled to target size；Polishing.
So, ball pin 21 can be with batch machining, it is not necessary to the single-piece turning as in correlation technique, the processing efficiency of ball pin 21
Greatly lifted, cost is more much lower than turnery processing, the dimensional accuracy of ball pin 21 can be controlled very easily in ± 0.003mm
It is interior, and ball circularity compared with roughness tumbling again after turnery processing superior performance it is many, reduce the tumbling process of ball pin 21,
Turnery processing can not process whole ball, and above-mentioned technique can easily process whole spherical ball pin 21.
As shown in figure 3, step processing ball pin bar 22 includes：Make blank bar 22a；Vehicle Processing blank bar 22a makes ball pin
Bar 22.
It is cold-heading machine-shaping that step, which makes blank bar 22a, easy compared to the blank ball end portion of existing process ball pin bar 22
Cold-heading molding, the pressure that forcing press needs reduces, and much smaller to the damage of mould, and die life is greatly prolonged.
The turnery processing of ball pin bar 22 only needs turning cervical part of esophagus 221, it is not necessary to reprocess ball end portion, and blank allowance subtracts
It is few, waste of raw materials is reduced, the single-piece turning time is reduced to 5S by 24S, and processing efficiency is greatly promoted.
Step by ball pin 21 be fixedly connected with ball pin bar 22 including：Ball pin 21 is welded to connect with ball pin bar 22.Welding
Technological parameter includes：240ms-260ms is welded with (110~120) * 100A electric current；Cool down 80ms-100ms；With (110~
120) * 100A electric current welding 240ms-260ms；The pressure limit of welding：(0.4~0.5) MP).Experiment proves that welding is strong
Degree and weld size can meet technical requirements.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modifications, equivalent substitutions and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of connecting rod of QS (100), it is characterised in that including：
Ball pin seat assembly (1), the ball pin seat assembly (1) has intermediate connecting rod (11) and ball pin seat (12)；
Bushing (3), the bushing (3) is arranged in the ball pin seat (12) and with spherical installation cavity；
Ball pin assembly (2), the ball pin assembly (2) includes ball pin (21) and ball pin bar (22), the ball pin (21) and the ball
Pin rod (22) is fixedly connected and is hinged with the installation cavity, and one end of the remote ball pin bar (22) of the ball pin (21) is ball
Face.
2. the connecting rod (100) of QS according to claim 1, it is characterised in that the ball pin (21) and institute
Ball pin bar (22) is stated to be weldingly connected.
3. the connecting rod (100) of QS according to claim 1, it is characterised in that ball pin bar (22) bag
Include thread segment (224) and cervical part of esophagus (221), one end and the ball pin of the remote thread segment (224) of the cervical part of esophagus (221)
(21) it is connected, boss (223) is provided between the thread segment (224) and the cervical part of esophagus (221).
4. the connecting rod (100) of QS according to claim 3, it is characterised in that the cervical part of esophagus (221) includes
Conical section and cylindrical section, the cylindrical section are connected with the boss (223), and the conical section is connected with the ball pin (21), and
Rib circle (222) is provided between the conical section and the cylindrical section.
5. the connecting rod (100) of QS according to claim 4, it is characterised in that also include：Dirt-proof boot (4)
It is set in one end of jump ring (5), and the dirt-proof boot (4) between the boss (223) and rib circle (222), the other end passes through
Jump ring (5) is clamped on the ball pin seat (12) outside.
6. a kind of processing technology of ball pin assembly (2), it is characterised in that the ball pin assembly (2) includes ball pin (21) and ball pin
Bar (22), the processing technology includes：
Process spherical ball pin (21)；
Process ball pin bar (22)；
Ball pin (21) is fixedly connected with ball pin bar (22).
7. the processing technology of ball pin assembly (2) according to claim 6, it is characterised in that the step processes spherical
Ball pin (21) include：
Embryo processed, makes spherical blank；
Corase grind, spherical blank is put into mill, plus lubricant and coarse grained abrasive, is roughly ground；
The lubricant and coarse grained abrasive of blank surface are cleaned after cleaning, corase grind；
Fine grinding, atomizer mill is put into by the blank after cleaning, is added low viscosity lubricant and finer abrasive, is milled to target size；
Polishing.
8. the processing technology of ball pin assembly (2) according to claim 6, it is characterised in that the step processes ball pin bar
(22) include：
Make blank bar (22a)；
Vehicle Processing blank bar (22a) makes ball pin bar (22).
9. the processing technology of ball pin assembly (2) according to claim 8, it is characterised in that the step makes blank bar
(22a) is cold-heading machine-shaping.
10. the processing technology of ball pin assembly (2) according to claim 6, it is characterised in that the step is by ball pin (21)
Be fixedly connected with ball pin bar (22) including：Ball pin (21) is welded to connect with ball pin bar (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123608.7A CN106956561A (en) | 2017-03-03 | 2017-03-03 | The connecting rod of QS and the processing technology of ball pin assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123608.7A CN106956561A (en) | 2017-03-03 | 2017-03-03 | The connecting rod of QS and the processing technology of ball pin assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106956561A true CN106956561A (en) | 2017-07-18 |
Family
ID=59470885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710123608.7A Pending CN106956561A (en) | 2017-03-03 | 2017-03-03 | The connecting rod of QS and the processing technology of ball pin assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106956561A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203905A (en) * | 2018-05-30 | 2019-01-15 | 保定市格瑞机械有限公司 | Stabilizer bar connecting bar for vehicle and the vehicle with it |
| CN109421463A (en) * | 2017-08-31 | 2019-03-05 | 长城汽车股份有限公司 | Spherical hinge, Automotive Stabilizer Bar connecting rod assembly and preparation method thereof |
| CN109623280A (en) * | 2018-12-25 | 2019-04-16 | 绍兴金江机械有限公司 | A kind of motor turning drag link ball connector assembly production technology |
| CN116728080A (en) * | 2023-07-20 | 2023-09-12 | 浙江博纳华创汽车部件有限公司 | Method for manufacturing lightweight aluminum alloy suspension balance bar lifting lug |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421463A (en) * | 2017-08-31 | 2019-03-05 | 长城汽车股份有限公司 | Spherical hinge, Automotive Stabilizer Bar connecting rod assembly and preparation method thereof |
| CN109203905A (en) * | 2018-05-30 | 2019-01-15 | 保定市格瑞机械有限公司 | Stabilizer bar connecting bar for vehicle and the vehicle with it |
| CN109623280A (en) * | 2018-12-25 | 2019-04-16 | 绍兴金江机械有限公司 | A kind of motor turning drag link ball connector assembly production technology |
| CN116728080A (en) * | 2023-07-20 | 2023-09-12 | 浙江博纳华创汽车部件有限公司 | Method for manufacturing lightweight aluminum alloy suspension balance bar lifting lug |
| CN116728080B (en) * | 2023-07-20 | 2024-03-19 | 浙江博纳华创汽车部件有限公司 | Method for manufacturing lightweight aluminum alloy suspension balance bar lifting lug |
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Application publication date: 20170718 |
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