CN205615291U - Control arm assembly - Google Patents
Control arm assembly Download PDFInfo
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- CN205615291U CN205615291U CN201620454059.2U CN201620454059U CN205615291U CN 205615291 U CN205615291 U CN 205615291U CN 201620454059 U CN201620454059 U CN 201620454059U CN 205615291 U CN205615291 U CN 205615291U
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- control arm
- reinforcement
- arm body
- arm assembly
- arc wall
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Abstract
The utility model discloses a control arm assembly, its technical scheme main points are including control arm body, bulb pin junction portion, vice bush and central bush, and bulb pin junction portion is including offering in the arc wall of this end of body of control arm and through the bulb seat of a plurality of fix with screws at this end of body of control arm, and a plurality of screw even spacing distribution are in the notch department of arc wall, and are concentric setting between arc wall pitch arc center and a plurality of screw connection line centers. The vibrational force that comes from the wheel is received to the bulb seated connection, and vibrational force process bulb pin junction portion conducts to this end of body of control arm, through the notch department of a plurality of screw even spacing distribution at the arc wall, can evenly share this end of body of control arm with the vibrational force, concentric setting between rethread arc wall pitch arc center and a plurality of screw connection line centers is shared the vibrational force and is conducted to the arc wall in, and this end of body of assurance control arm atress is even, avoids making the control arm body to lie in bulb pin junction portion and locates the local stress and too big and produce cracked phenomenon.
Description
Technical field
This utility model relates to automobile rigid connecting components field, particularly to a kind of control arm assembly.
Background technology
Control arm is safety member important in automobile chassis system and guide, subjects the various load in running car, and its intensity, rigidity have decisive influence to vehicle performance.Control arm is as the guiding of automobile suspension system and force transfer element, and the various power that will act on wheel pass to vehicle body, ensures that wheel moves by certain track simultaneously.Automobile control arm is linked together wheel and flexible chassis by ball pivot or lining respectively.
At present, notification number is that the Chinese patent of CN2820585 discloses a kind of automobile hanging front swing arm assembly, it includes swing arm frame, ball stud assembly, center bush assembly, secondary bush Assembly composition, swing arm frame is the direct stamping forming triangular structure of steel plate, swing arm frame core concave downward, making three edges be formed with the triangle of three reinforcements, install ball stud assembly in the outer end of swing arm frame by rivet, its front and back ends is respectively mounted center bush assembly and secondary bush Assembly.
Although this automobile hanging front swing arm assembly compact conformation is reasonable, improve the safety of running car, but put in order on swing arm frame skewness owing to installing the rivet of ball stud assembly, therefore in vehicle traveling process, ball stud assembly is connected to wheel and bears the vibration force from wheel, when vibration force conduction is to time on swing arm frame, swing arm frame discontinuity will be caused, and easily make swing arm frame be positioned at local stress at ball stud assembly excessive and produce the phenomenon of fracture.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of control arm assembly, has guarantee control arm body and is positioned at uniform force at ball stud connecting portion, improves the characteristic of control arm body end structural strength.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of control arm assembly, the ball stud connecting portion that including control arm body, is respectively arranged on control arm body two ends and secondary lining and be located on control arm body and center bush between secondary lining and ball stud connecting portion, described ball stud connecting portion is included the arcuate groove being opened in control arm body end and is fixed on the ball cup of control arm body end by some screws, some screws are equidistantly distributed at the notch of arcuate groove, and in being arranged concentrically between described arcuate groove arc centers and some screw connecting line centers.
Pass through technique scheme, ball stud connecting portion is connected on wheel by ball cup, secondary lining and center bush are connected on vehicle body, ball cup is fixed on control arm body end by some screws, when in vehicle travel process, ball cup receives the vibration force from wheel, vibration force is conducted to control arm body end through ball stud connecting portion, by the setting of arcuate groove, can prevent control arm body end stress concentrations from producing the phenomenon of fracture, and equidistantly it is distributed at the notch of arcuate groove by some screws, vibration force uniformly can be shared control arm body end；Again by setting concentric between arcuate groove arc centers with some screw connecting line centers, thus vibration force is shared and conducts to arcuate groove, thus ensure control arm body end uniform force, it is to avoid make control arm body be positioned at local stress at ball stud connecting portion excessive and produce the phenomenon of fracture.
Preferably, described control arm body central is provided with the forging groove caved inward, and the bottom land of described forging groove offers shock relieve vent.
By technique scheme, the setting of forging groove, while ensureing control arm body construction intensity, reduce the weight of control arm body；And by the setting of shock relieve vent, can effectively block the conduction of vibration force, it is to avoid make to produce between control arm body and vibration force resonance.
Preferably, the cross section ovalize of described shock relieve vent is arranged.
By technique scheme, oval shock relieve vent, there is certain length, best hence for the effect blocking vibration force conduction.
Preferably, described control arm body is the triangular structure that steel plate is directly stamped and formed out, and the edge of described control arm body is provided with the reinforcement group consistent with forging groove depression direction.
Pass through technique scheme, when wheel steering, control arm body is accordingly by the extruding force of wheel, by the most stable of characteristic of triangular structure, it is ensured that the structural strength of control arm body, and assemble conjunction by the reinforcement consistent with forging groove depression direction, when control arm body bears extruding force, reinforcement group can effectively play fixing effect, thus further increases the structural strength of control arm body, it is to avoid control arm body produces bending phenomenon.
Preferably, described reinforcement group includes the first reinforcement, the second reinforcement and the 3rd reinforcement, described first reinforcement and the second reinforcement form the first closed section around secondary lining, and described second reinforcement and the 3rd reinforcement form the second closed section around center bush.
Pass through technique scheme, due to turning to of wheel, control arm body is accordingly by the extruding force of wheel, extruding force first passes around ball stud connecting portion again at control arm body conduction to secondary lining with center bush, by the first closed section and the setting of the second closed section, first reinforcement and the 3rd reinforcement are bound up by the second reinforcement, thus further increase control arm body bend resistance ability；And by twisting resistance, the first closed section and the setting of the second closed section, the second reinforcement, the first reinforcement and the 3rd reinforcement are played an effective support at control arm body, it is to avoid the phenomenon of torsiversion occur in the first reinforcement and the 3rd reinforcement.
Preferably, it is equipped with between described ball cup and the first reinforcement, the 3rd reinforcement and leads mud gap.
Pass through technique scheme, control arm body is when being in installment state, it is lower with the position of center bush that usual ball stud connecting portion compares secondary lining, thus at vehicle through puddle, outside earth in water can be discharged to control arm body by leading mud gap, it is to avoid earth and the accumulation of moisture, improve the weight of control arm body, and control arm body is caused corrosion by the long-term existence avoiding water, affects the structural strength of control arm body.
Preferably, the quantity of described screw is three.
Pass through technique scheme, screw number is three, connecting line between three screws can form triangle, ensure that the uniform force of control arm body end with minimum cost and screw number, it also avoid screw number and too much causes the weight of control arm body to increase.
Preferably, described screw is soket head cap screw.
By technique scheme, soket head cap screw is installed effect and is consolidated and convenient disassembly, will not come off from control arm body easily under non-artificial state.
In sum, what this utility model in contrast to prior art has the beneficial effect that the uniform force ensureing control arm body end, it is to avoid it is excessive and produce the phenomenon of fracture that control arm body is positioned at local stress at ball stud connecting portion.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the structural representation of ball stud connecting portion；
Fig. 3 is the partial sectional view of ball stud connecting portion.
Reference: 1, control arm body；2, ball stud connecting portion；3, secondary lining；4, center bush；5, arcuate groove；6, screw；7, ball cup；8, forging groove；9, shock relieve vent；10, reinforcement group；10a, the first reinforcement；10b, the second reinforcement；10c, the 3rd reinforcement；11, the first closed section；12, the second closed section；13, mud gap is led.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As shown in Figure 1, a kind of control arm assembly, including control arm body 1, the triangular structure that control arm body 1 is directly stamped and formed out for steel plate, the forging groove 8 caved inward it is provided with at the middle part of control arm body 1, the curved setting of global shape of forging groove 8, bottom land at forging groove 8 offers the shock relieve vent 9 for intercepting vibration force conduction, shock relieve vent 9 is arranged on the centre of forging groove 8, the preferred shock relieve vent of the present embodiment 9 be shaped as ellipse, by forging groove 8 the weight that can effectively alleviate control arm body 1 and the structural strength not reducing control arm body 1 are set；It is respectively arranged at two ends with ball stud connecting portion 2 and secondary lining 3 at control arm body 1, being provided with center bush 4 on control arm body 1 and between secondary lining 3 and ball stud connecting portion 2, ball stud connecting portion 2, secondary lining 3 and center bush 4 are separately positioned on the position, each corner of triangle；Wherein, use interference fit between secondary lining 3 and center bush 4 and control arm body 1, when being connected with vehicle body, certain fluctuating can be produced along with the vibration of control arm body 11, it is thus possible to effectively reduce, vibration force is conducted to vehicle body, thus ensure the stationarity in vehicle travel process.
As shown in Figure 1, Figure 2, Figure 3 shows, ball stud connecting portion 2 includes arcuate groove 5 and the ball cup 7 being opened in control arm body 1 end, ball cup 7 is fixed on the end of control arm body 11 by some screws 6, and the quantity of the preferred screw of the present embodiment 6 is three, and screw 6 is preferably soket head cap screw 6；Wherein, three screws 6 are equidistantly distributed in the notch of arcuate groove 5, and in being arranged concentrically between the arc center being sequentially connected with line center and arcuate groove 5 of three screws 6, thus the vibration force of wheel is conducted to control arm end through ball stud connecting portion 2, vibration force can be shared by the screw 6 of equidistantly distribution, and conduct to arcuate groove 5, thus the stress concentration of control arm body 11 end can be effectively reduced through arcuate groove 5, it is to avoid control arm body 11 end local pressure is excessive and the phenomenon ruptured occurs.
As shown in Figure 1, it is additionally provided with at the edge of control arm body 11 and forges groove 8 and cave in the consistent reinforcement group 10 in direction, reinforcement group 10 includes that the first reinforcement 10a, the second reinforcement 10b and the 3rd reinforcement 10c, the first reinforcement 10a, the height of projection of the second reinforcement 10b and the 3rd reinforcement 10c are the half of forging groove 8 groove depth；Wherein, mutually border between first reinforcement 10a end and the second reinforcement 10b end, thus form the first closed section 11 around secondary lining 3, thus when control arm body 11 is squeezed, extruding force is at the first reinforcement 10a conduction to the first closed section 11, and at the second reinforcement 10b conduction to the first closed section 11, converge at the first closed section 11, thus effectively extruding force is cancelled out each other the structural strength improving control arm body 1 and bend resistance ability；Mutually border between second reinforcement 10b end and the 3rd reinforcement 10c end, thus form the second closed section 12 around center bush 4, thus further increase structural strength and the bend resistance ability of control arm body 1.
Such as Fig. 1, shown in Fig. 2, wherein the first reinforcement 10a is not bordered on away between end and the 3rd reinforcement 10c end away from the second reinforcement 10b of the second reinforcement 10b, thus at ball stud connecting portion 2, form opening, make ball cup 7 and the medial wall of the first reinforcement 10a, formed between the medial wall of the 3rd reinforcement 10c and lead mud gap 13, at vehicle through puddle, outside earth in water can be discharged to control arm body 1 by leading mud gap 13, avoid the accumulation of earth and moisture, improve the weight of control arm body 1, and control arm body 1 is caused corrosion by the long-term existence avoiding water, affect the structural strength of control arm body 1.
The above is only exemplary embodiment of the present utility model, and not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (8)
1. a control arm assembly, including control arm body (1), it is respectively arranged on ball stud connecting portion (2) and the secondary lining (3) at control arm body (1) two ends and is located on control arm body (1) and is positioned at the center bush (4) between secondary lining (3) and ball stud connecting portion (2), it is characterized in that: described ball stud connecting portion (2) is included being opened in the arcuate groove (5) of control arm body (1) end and is fixed on the ball cup (7) of control arm body (1) end by some screws (6), some screws (6) are equidistantly distributed at the notch of arcuate groove (5), and in being arranged concentrically between described arcuate groove (5) arc centers and some screws (6) connecting line center.
Control arm assembly the most according to claim 1, is characterized in that: described control arm body (1) center is provided with the forging groove (8) caved inward, and the bottom land of described forging groove (8) offers shock relieve vent (9).
Control arm assembly the most according to claim 2, is characterized in that: the cross section ovalize of described shock relieve vent (9) is arranged.
Control arm assembly the most according to claim 2, it is characterized in that: described control arm body (1) is the triangular structure that steel plate is directly stamped and formed out, and the edge of described control arm body (1) is provided with the reinforcement group (10) consistent with forging groove (8) depression direction.
Control arm assembly the most according to claim 4, it is characterized in that: described reinforcement group (10) includes the first reinforcement (10a), the second reinforcement (10b) and the 3rd reinforcement (10c), described first reinforcement (10a) forms the first closed section (11) with the second reinforcement (10b) around secondary lining (3), and described second reinforcement (10b) and the 3rd reinforcement (10c) form the second closed section (12) around center bush (4).
Control arm assembly the most according to claim 5, is characterized in that: is equipped with between described ball cup (7) and the first reinforcement (10a), the 3rd reinforcement (10c) and leads mud gap (13).
Control arm assembly the most according to claim 1, is characterized in that: the quantity of described screw (6) is three.
Control arm assembly the most according to claim 1, is characterized in that: described screw (6) is soket head cap screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454059.2U CN205615291U (en) | 2016-05-18 | 2016-05-18 | Control arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454059.2U CN205615291U (en) | 2016-05-18 | 2016-05-18 | Control arm assembly |
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| Publication Number | Publication Date |
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| CN205615291U true CN205615291U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620454059.2U Active CN205615291U (en) | 2016-05-18 | 2016-05-18 | Control arm assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109593A (en) * | 2018-09-26 | 2019-01-01 | 浙江方泰汽车配件有限公司 | A kind of high intensity light-type control arm |
| CN112172430A (en) * | 2020-10-20 | 2021-01-05 | 芜湖禾田汽车工业有限公司 | Cast aluminum alloy control arm |
-
2016
- 2016-05-18 CN CN201620454059.2U patent/CN205615291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109593A (en) * | 2018-09-26 | 2019-01-01 | 浙江方泰汽车配件有限公司 | A kind of high intensity light-type control arm |
| CN112172430A (en) * | 2020-10-20 | 2021-01-05 | 芜湖禾田汽车工业有限公司 | Cast aluminum alloy control arm |
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| GR01 | Patent grant |