CN217170399U - Rear control arm structure of automobile multi-link suspension - Google Patents
Rear control arm structure of automobile multi-link suspension Download PDFInfo
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- CN217170399U CN217170399U CN202221009164.7U CN202221009164U CN217170399U CN 217170399 U CN217170399 U CN 217170399U CN 202221009164 U CN202221009164 U CN 202221009164U CN 217170399 U CN217170399 U CN 217170399U
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- aluminum alloy
- carbon fiber
- alloy seat
- fiber plate
- control arm
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- 239000000725 suspension Substances 0.000 title claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 67
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 56
- 239000004917 carbon fiber Substances 0.000 claims abstract description 56
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a back control arm structure of car multi-link suspension, includes aluminum alloy seat, carbon fiber plate, aluminum alloy seat one side sets up installing support, first sleeve pipe, and the aluminum alloy seat opposite side sets up second sleeve pipe, the third sleeve pipe that is used for installing the bush, second sleeve pipe, third sleeve pipe are located same axis, set up the cavity in the aluminum alloy seat, the cavity sets up the constant head tank along the accent, the carbon fiber plate is located in the constant head tank, is connected fixedly with the aluminum alloy seat, set up spring mounting groove on the carbon fiber plate, set up the support boss in the cavity of aluminum alloy seat, should support the tank bottom contact of boss and spring mounting groove and laminate, the aluminum alloy seat corresponds respectively with one side of carbon fiber plate and sets up the U-shaped groove of stepping down, and this U-shaped groove of stepping down is located between installing support and the first sleeve pipe.
Description
Technical Field
The utility model relates to a swing arm technical field behind the car, in particular to back control arm structure of car multi-link suspension.
Background
The lightweight automobile is characterized in that the overall quality of the automobile is reduced as much as possible on the premise of ensuring the strength and the safety performance of the automobile, so that the dynamic property of the automobile is improved, the fuel consumption is reduced, and the exhaust pollution is reduced. Experiments prove that the mass of the automobile is reduced by half, the fuel consumption is reduced by nearly half, and the light weight of the automobile becomes the trend of the development of the automobile in the world under the requirements of environmental protection and energy conservation. In order to complete the recent improvement of a high-strength steel application system, form a light alloy application system in the middle period and achieve the aim of multi-material mixed application of steel, aluminum, conforming materials and the like by using original gas, the lightweight coefficient of a fuel passenger vehicle needs to be reduced by 25 percent, and the lightweight coefficient of a new energy vehicle needs to be reduced by 35 percent. The back control arm is connected sub vehicle frame and rear wheel for support the important spare part of automobile body, and current back control arm adopts pure steel preparation usually for satisfying intensity, but this kind of back control arm quality is great, is difficult to reach the requirement of lightweight, consequently needs one kind and can satisfy the connection requirement, can guarantee the back control arm of intensity again urgently.
Disclosure of Invention
The utility model aims at prior art not enough, provide a back control arm structure of car multi-link suspension, its bulk strength that can guarantee back control arm can realize the lightweight of back control arm again, reaches the purpose of effective reduction in weight.
The technical scheme of the utility model is that: the utility model provides a back control arm structure of car multi-link suspension, includes aluminum alloy seat, carbon fiber plate, aluminum alloy seat one side sets up installing support, first sleeve pipe, and the aluminum alloy seat opposite side sets up second sleeve pipe, the third sleeve pipe that is used for installing the bush, second sleeve pipe, third sleeve pipe are located same axis, set up the cavity in the aluminum alloy seat, the cavity sets up the constant head tank along the accent, the carbon fiber plate is located in the constant head tank, is connected fixedly with the aluminum alloy seat, set up spring mounting groove on the carbon fiber plate, set up the support boss in the cavity of aluminum alloy seat, should support the tank bottom contact of boss and spring mounting groove and laminate, the aluminum alloy seat corresponds respectively with one side of carbon fiber plate and sets up the U-shaped groove of stepping down, and this U-shaped groove of stepping down is located between installing support and the first sleeve pipe.
Further, the bottom of the positioning groove of the aluminum alloy seat is provided with an installation boss protruding into the concave cavity, and the installation boss is provided with a plurality of bolt through holes.
Furthermore, a first reinforcing rib penetrating through the cavity is arranged in the cavity of the aluminum alloy seat, and a second reinforcing rib protruding into the cavity is arranged on the carbon fiber plate, so that the first reinforcing rib and the second reinforcing rib are abutted tightly.
Furthermore, the mounting bracket is composed of two symmetrical lifting lugs, and mounting holes located on the same axis are respectively formed in the two lifting lugs.
Further, the carbon fiber plate sets up outside bellied protruding edge along the edge, set up the bolt via hole that corresponds with the constant head tank on the protruding edge.
Furthermore, the middle parts of the aluminum alloy seat and the carbon fiber plate respectively protrude towards the same direction, so that the protruding parts of the aluminum alloy seat and the carbon fiber plate form corresponding arch yielding grooves.
Furthermore, a plurality of third reinforcing ribs extending outwards from the groove wall of the spring mounting groove are arranged on the carbon fiber plate.
Further, the aluminum alloy seat is formed by low-pressure casting, and the carbon fiber plate is made of carbon fiber plastic through a mould pressing process.
Adopt above-mentioned technical scheme's beneficial effect: the utility model has simple assembly and reliable connection, and is connected with the carbon fiber plate by the aluminum alloy seat, the weight can be reduced by 35 percent compared with the rear control arm with an all-aluminum alloy structure, can be reduced by 65 percent compared with the rear control arm with a steel structure, thereby greatly improving the light weight effect of the rear control arm, since the density of the carbon fiber material is about 1/5, the strength of the carbon fiber material is 5 times that of common steel, so the carbon fiber material has the advantages of high specific strength, high specific modulus, fatigue resistance and the like, and aluminium alloy material has advantages such as with low costs, machining precision height, the utility model discloses a more aluminum alloy seat of aluminum alloy material preparation materials can not only practice thrift carbon fiber material's materials cost, reduces the cost of manufacture of whole back control arm, can also be used for installing the sleeve pipe of bush at aluminum alloy seat integrated into one piece to improve machining efficiency, save the processing cost.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is an assembly view of the present invention;
FIG. 3 is a schematic structural view of an aluminum alloy base;
FIG. 4 is a view taken along line A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural view of a carbon fiber sheet;
fig. 7 is a view in the direction C of fig. 6.
Detailed Description
Referring to fig. 1 to 7, an embodiment of back control arm structure of car multi-link suspension, including aluminum alloy seat 1, carbon fiber plate 2, aluminum alloy seat 1 adopts the low pressure casting shaping in this embodiment, rethread CNC processing behind the low pressure casting blank can effectively guarantee size machining precision, and carbon fiber plate 2 adopts carbon fiber plastics (CFRP) to pass through the mould pressing technology preparation, the utility model discloses a more aluminum alloy seat 1 of aluminum alloy material preparation material can practice thrift carbon fiber material's material cost, reduces the cost of manufacture of whole back control arm. The mounting bracket 3 and the first sleeve 4 are arranged on one side of the aluminum alloy seat 1, the mounting bracket 3 is composed of two symmetrical lifting lugs, mounting holes 15 which are located on the same axis are formed in the two lifting lugs respectively, the mounting bracket 3 is used for mounting a steering knuckle, the steering knuckle is placed between the two lifting lugs and penetrates through the mounting holes through bolts to be connected and fixed when in use, and the first sleeve 4 is used for mounting a ball pin bushing 19. 1 opposite side of aluminum alloy seat sets up second sleeve 5, third sleeve 6 that is used for the installation bush, and second sleeve 5, third sleeve 6 are used for installing sub vehicle frame bush 20 respectively, make the back control arm pass through sub vehicle frame bush 20 and connect the sub vehicle frame, second sleeve 5, third sleeve 6 are located same axis, guarantee sub vehicle frame bush 20's assembly axiality, with installing support 3, first sleeve 4, second sleeve 5, third sleeve 6 and 1 integrated into one piece casting of aluminum alloy seat, can save independent die sinking and welding cost. Set up cavity 7 in the aluminum alloy seat 1, cavity 7 sets up constant head tank 8 along the accent, carbon fiber plate 2 locates in the constant head tank 8, is connected fixedly with aluminum alloy seat 1, 8 tank bottoms of constant head tank of aluminum alloy seat 1 set up bellied installation base 12 in to cavity 7, set up a plurality of bolt via holes on the installation base 12, this embodiment adopts epoxy glue to bond carbon fiber plate 2 and aluminum alloy seat 1, and rethread bolted connection is fixed, improves and connects the reliability. Set up spring mounting groove 9 on carbon fiber plate 2, this spring mounting groove 9 is used for installing coil spring, set up in the cavity 7 of aluminum alloy seat 1 and support boss 10, should support boss 10 and spring mounting groove 9's tank bottom contact and laminating, make and support boss 10 and support tight spring mounting groove 9, all play the supporting role to spring mounting groove 9 and coil spring. Aluminum alloy seat 1 corresponds respectively with one side of carbon fiber plate 2 and sets up U-shaped groove 11 of stepping down, and the U-shaped groove 11 of stepping down of this embodiment is the echelonment, and this U-shaped groove 11 of stepping down is located between installing support 3 and the first sleeve pipe 4 for dodge the bumper shock absorber, take place to interfere when preventing outside spare part installation. The middle parts of the aluminum alloy seat 1 and the carbon fiber plate 2 are respectively protruded towards the same direction, so that the protruded parts of the aluminum alloy seat 1 and the carbon fiber plate 2 form corresponding arch-shaped yielding grooves 17, and the arch-shaped yielding grooves 17 are used for yielding automobile transmission shafts.
Set up the first strengthening rib 13 that runs through cavity 7 in the cavity 7 of aluminum alloy seat 1 in this embodiment, carbon fiber plate 2 is last to set up bellied second strengthening rib 14 in the cavity 7, makes first strengthening rib 13 support tightly each other with second strengthening rib 14, makes the aluminum alloy seat 1 and the carbon fiber plate 2 of accomplishing the assembly support each other, guarantees the rigidity and the intensity of back control arm.
The carbon fiber plate 2 sets up outside bellied protruding edge 16 along the edge in this embodiment, protruding edge 16 is last to set up the bolt via hole that corresponds with constant head tank 8, and the bolt via hole process on this bolt via hole and the constant head tank 8 sets up protruding edge 16 and can improve the intensity of carbon fiber plate 2. The carbon fiber plate 2 is provided with a plurality of third reinforcing ribs 18 which extend outwards from the groove wall of the spring mounting groove 9, so that the bending resistance and strength of the carbon fiber plate 2 can be improved, the service life of the rear control arm is prolonged, and the stable connection of the rear control arm with the auxiliary frame and the rear wheels is ensured.
This structure is during the assembly, epoxy glue is evenly paintd at the cell wall and the tank bottom of the constant head tank 8 of aluminum alloy seat 1 earlier, place carbon fiber plate 2 in constant head tank 8 again and bond fixedly with aluminum alloy seat 1, then pass carbon fiber plate 2 with the bolt, aluminum alloy seat 1's bolt via hole makes both fixed connection, again with bulb bush and two sub vehicle frame bushes 20 in passing through the press pressure machine pressure equipment and advance corresponding sleeve pipe, and fix the knuckle on installing support 3 through the bolt, can accomplish the assembly of control arm behind the cost, form inclosed cavity structures between aluminum alloy seat 1 and the carbon fiber plate 2 after the assembly, be favorable to guaranteeing the rigidity and the intensity of control arm behind.
The utility model has simple assembly and reliable connection, and is connected by the aluminum alloy seat 1 and the carbon fiber plate 2 in a mixing way, the weight can be reduced by 35 percent compared with the rear control arm with an all-aluminum alloy structure, can be reduced by 65 percent compared with the rear control arm with a steel structure, thereby greatly improving the light weight effect of the rear control arm, since the density of the carbon fiber material is about 1/5, the strength of the carbon fiber material is 5 times that of common steel, so the carbon fiber material has the advantages of high specific strength, high specific modulus, fatigue resistance and the like, and aluminium alloy material has advantages such as with low costs, machining precision height, the utility model discloses a more aluminum alloy seat of aluminum alloy material preparation materials can not only practice thrift carbon fiber material's materials cost, reduces the cost of manufacture of whole back control arm, can also be used for installing the sleeve pipe of bush at aluminum alloy seat integrated into one piece to improve machining efficiency, save the processing cost.
Claims (8)
1. The utility model provides a back control arm structure of car multi-link suspension which characterized in that: the aluminum alloy sleeve comprises an aluminum alloy seat (1) and a carbon fiber plate (2), wherein one side of the aluminum alloy seat (1) is provided with a mounting bracket (3) and a first sleeve (4), the other side of the aluminum alloy seat (1) is provided with a second sleeve (5) and a third sleeve (6) which are used for mounting a lining, the second sleeve (5) and the third sleeve (6) are positioned on the same axis, a cavity (7) is arranged in the aluminum alloy seat (1), the cavity (7) is provided with a positioning groove (8) along an orifice, the carbon fiber plate (2) is arranged in the positioning groove (8) and is fixedly connected with the aluminum alloy seat (1), a spring mounting groove (9) is arranged on the carbon fiber plate (2), a supporting boss (10) is arranged in the cavity (7) of the aluminum alloy seat (1), the supporting boss (10) is contacted and attached with the groove bottom of the spring mounting groove (9), and a U-shaped yielding groove (11) is correspondingly arranged on one side of the aluminum alloy seat (1) and the carbon fiber plate (2) respectively, the U-shaped abdicating groove (11) is positioned between the mounting bracket (3) and the first sleeve (4).
2. The rear control arm structure of an automotive multi-link suspension according to claim 1, characterized in that: the aluminum alloy seat is characterized in that a mounting boss (12) protruding into the cavity (7) is arranged at the bottom of the positioning groove (8) of the aluminum alloy seat (1), and a plurality of bolt through holes are formed in the mounting boss (12).
3. The rear control arm structure of an automotive multi-link suspension according to claim 1, characterized in that: a first reinforcing rib (13) penetrating through the cavity (7) is arranged in the cavity (7) of the aluminum alloy seat (1), and a second reinforcing rib (14) protruding into the cavity (7) is arranged on the carbon fiber plate (2), so that the first reinforcing rib (13) and the second reinforcing rib (14) are abutted to each other.
4. The rear control arm structure of an automotive multi-link suspension according to claim 1, characterized in that: the mounting bracket (3) is composed of two symmetrical lifting lugs, and mounting holes (15) located on the same axis are formed in the two lifting lugs respectively.
5. The rear control arm structure of an automotive multi-link suspension according to claim 1, characterized in that: the carbon fiber plate (2) sets up outside bellied protruding edge (16) along the edge, set up the bolt via hole that corresponds with constant head tank (8) on protruding edge (16).
6. The rear control arm structure of an automotive multi-link suspension according to claim 1, characterized in that: the middle parts of the aluminum alloy seat (1) and the carbon fiber plate (2) are respectively protruded towards the same direction, so that the protruded parts of the aluminum alloy seat (1) and the carbon fiber plate (2) form corresponding arch yielding grooves (17).
7. The rear control arm structure of an automotive multi-link suspension according to claim 1, characterized in that: and the carbon fiber plate (2) is provided with a plurality of third reinforcing ribs (18) which extend outwards from the groove wall of the spring mounting groove (9).
8. The rear control arm structure of an automotive multi-link suspension according to claim 1, characterized in that: the aluminum alloy seat (1) is formed by low-pressure casting, and the carbon fiber plate (2) is made of carbon fiber plastics through a mould pressing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221009164.7U CN217170399U (en) | 2022-04-28 | 2022-04-28 | Rear control arm structure of automobile multi-link suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221009164.7U CN217170399U (en) | 2022-04-28 | 2022-04-28 | Rear control arm structure of automobile multi-link suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217170399U true CN217170399U (en) | 2022-08-12 |
Family
ID=82711428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221009164.7U Active CN217170399U (en) | 2022-04-28 | 2022-04-28 | Rear control arm structure of automobile multi-link suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217170399U (en) |
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2022
- 2022-04-28 CN CN202221009164.7U patent/CN217170399U/en active Active
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