CN218431403U - Novel hollow cast aluminum front auxiliary frame - Google Patents
Novel hollow cast aluminum front auxiliary frame Download PDFInfo
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- CN218431403U CN218431403U CN202222010328.4U CN202222010328U CN218431403U CN 218431403 U CN218431403 U CN 218431403U CN 202222010328 U CN202222010328 U CN 202222010328U CN 218431403 U CN218431403 U CN 218431403U
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- longitudinal beam
- mounting hole
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- novel hollow
- suspension
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Abstract
The utility model relates to an automobile chassis spare part field discloses a novel hollow cast aluminium front auxiliary frame, including sub vehicle frame main part (1), sub vehicle frame main part (1) includes rear frame member (3), and rear frame member (3) bilateral symmetry is equipped with mounting hole (301) that are used for installing stabilizer bar and control arm, and mounting hole (301) include first mounting hole (3011) and second mounting hole (3012). The utility model discloses adopt the mounting hole concurrent design with the installation of sub vehicle frame stabilizer bar and control arm, the quantity of mounting point has been reduced, the time and the cost of making have been shortened simultaneously, also provide new direction for the product lightweight, back suspension department increases the core assembly hole design characteristic, the problem of the unable drawing of patterns of part is avoided to this structure, it increases the side mechanism of taking out to have solved the mould simultaneously, mold structure and cost have been simplified, increase and keep away the empty design, realize the lightweight design under the prerequisite of guaranteeing performance.
Description
Technical Field
The utility model relates to an automobile chassis spare part field has especially related to a novel hollow cast aluminium front sub vehicle frame.
Background
The common chassis suspension structure of automobile design has macpherson formula independent suspension, multi-link formula independent suspension, torsion beam suspension etc, the sub vehicle frame is the main load-carrying member of car, wherein multi-link formula independent suspension, need arrange the mounted position of up to five connecting rods on the sub vehicle frame mostly, and the pencil of overall arrangement simultaneously, power assembly, a plurality of mounting points such as sensor, wherein the power assembly mounting point need bear great power and moment, so the suspension installing support need have sufficient rigidity and intensity to guarantee product property ability, promote the NVH of whole car simultaneously, avoid the installing support to warp too big or fracture and lead to sub vehicle frame to lose the service function, even cause the incident.
Most front sub vehicle frame rear suspension on the market at present is mostly the independent design, does not adopt the reinforced structure, and stabilizer bar and control arm assembly point are mostly independent design, and unrelated, relatively independent.
Application No. CN201822088740.1 discloses an integrally molded hollow cast aluminum four-wheel drive rear subframe. Four corners of the auxiliary frame are of cantilever structures, bushing mounting holes are formed in the top ends of the cantilevers, and differential suspension bushing mounting holes are symmetrically formed in the front cross beam and the rear cross beam; an upper control arm mounting bracket and a toe-in control arm mounting bracket are symmetrically arranged on two sides of a front cross beam of the auxiliary frame, a lower control arm mounting bracket is symmetrically arranged below a rear cross beam, and an eccentric bolt adjusting structure is arranged on the lower control arm bracket; the upper part of the front beam of the auxiliary frame is symmetrically provided with a supporting/mounting boss of a stabilizer bar system, and the middle part of the left side is provided with a height sensor mounting characteristic; the outer surface and the inner cavity of the auxiliary frame are provided with a plurality of reinforcing ribs; the subframe is provided with features to hide the rear drive half shaft and rear differential. The aluminum alloy material and the low-pressure casting process are applied to the auxiliary frame of a certain four-wheel-drive vehicle type, and the requirements of the four-wheel-drive vehicle type on space arrangement, functions, structural strength and the casting process are met through a reasonable structure, so that the light effect is achieved. However, the control arm mounting bracket and the support/mounting bosses of the stabilizer bar system of the above-mentioned patent are independently assembled, which increases the manufacturing time and cost of the subframe and also increases the weight of the subframe.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shortcoming to among the prior art provides a novel hollow cast aluminium front sub vehicle frame.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a novel hollow cast aluminium front auxiliary frame, includes the sub vehicle frame main part, and the sub vehicle frame main part includes the rear cross beam, and rear cross beam bilateral symmetry is equipped with the mounting hole that is used for installing stabilizer bar and control arm, and the mounting hole includes first mounting hole and second mounting hole. The auxiliary frame stabilizer bar and the control arm are installed in the same position of the rear cross beam by adopting the mounting hole concurrent design, so that the number of mounting points is reduced, the manufacturing time and cost are shortened, and a new direction is provided for light weight of products.
Preferably, the auxiliary frame main body further comprises a left longitudinal beam and a right longitudinal beam, a left rear suspension is arranged on the left longitudinal beam, a right rear suspension is arranged on the right longitudinal beam, and the left rear suspension and the right rear suspension are symmetrically arranged.
Preferably, the side of the left rear suspension is provided with a first reinforcing rib which is connected with the left longitudinal beam, and the side of the right rear suspension is provided with a second reinforcing rib which is connected with the right longitudinal beam. The side of suspension passes through the strengthening rib design behind left/right, and under the requirement that satisfies casting process, promotes the dynamic stiffness of rear mount and whole car NVH performance, through increasing the strengthening rib, provides the bigger rigidity and intensity of more ordinary structure for rear mount mounting point, guarantees the effective practicality of sub vehicle frame.
Preferably, a first clearance groove is formed in the joint of the side face of the left rear suspension and the left longitudinal beam, and a second clearance groove is formed in the joint of the side face of the right rear suspension and the right longitudinal beam. And the design of avoiding the space is added, and the light weight design is realized on the premise of ensuring the performance.
Preferably, the first group of core holes are formed in the bottom, located in the first empty avoiding groove, of the left longitudinal beam, and the second group of core holes are formed in the bottom, located in the second empty avoiding groove, of the right longitudinal beam. The rear suspension part is additionally provided with core assembling holes, the structure avoids the problem that parts cannot be demoulded, and meanwhile, the problem that the side drawing mechanism is additionally arranged on the mold is solved, and the mold structure and the cost are simplified.
Preferably, the auxiliary frame main body further comprises a front cross beam, two ends of the front cross beam are respectively connected with one ends of the left longitudinal beam and the right longitudinal beam, two ends of the rear cross beam are respectively connected with the other ends of the left longitudinal beam and the right longitudinal beam, and the front cross beam and the rear cross beam are respectively communicated with the left longitudinal beam and the right longitudinal beam.
Preferably, the front cross beam, the rear cross beam, the left longitudinal beam and the right longitudinal beam are integrally formed.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: by redesigning the left/right rear suspension structure of the auxiliary frame and designing the reinforcing ribs on the side edges of the left/right rear suspensions, the dynamic stiffness of the rear suspension and the NVH performance of the whole vehicle are improved under the condition of meeting the casting process requirements; the auxiliary frame stabilizer bar and the control arm mounting hole are designed in a concurrent mode, the number of mounting points is reduced, meanwhile, the manufacturing time and cost are shortened, and a new direction is provided for light weight of products; the rear suspension increases core assembling hole design characteristics, the structure avoids the problem that parts cannot be demoulded, the problem that a side drawing mechanism is added to a die is solved, the die structure and cost are simplified, the clearance design is increased, and the lightweight design is realized on the premise of ensuring the performance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the mounting hole.
Fig. 3 is a schematic structural diagram of the reinforcing ribs, the clearance grooves and the core assembling holes.
The names of the parts designated by the numerical references in the above figures are as follows: the auxiliary frame comprises a main body 1, a main body 2, a front beam 3, a rear beam 301, a mounting hole 3011, a first mounting hole 3012, a second mounting hole 3012, a left longitudinal beam 4, a left rear suspension 401, a first reinforcing rib 4011, a first clearance groove 4012, a first group of core holes 402, a right longitudinal beam 5, a right rear suspension 501, a second reinforcing rib 5011, a second clearance groove 5012 and a second group of core holes 502.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A novel hollow cast aluminum front auxiliary frame is shown in figures 1-3 and comprises an auxiliary frame main body 1, wherein the auxiliary frame main body 1 comprises a rear cross beam 3, mounting holes 301 for mounting stabilizer bars and control arms are symmetrically formed in two sides of the rear cross beam 3, and the mounting holes 301 comprise first mounting holes 3011 and second mounting holes 3012. The mounting hole 301 concurrent design is adopted in the installation of sub vehicle frame stabilizer bar and control arm, installs the same position at rear beam 3, has reduced the quantity of mounting point, has shortened the time and the cost of manufacturing simultaneously, also provides new direction for the product lightweight.
The auxiliary frame main body 1 further comprises a left longitudinal beam 4 and a right longitudinal beam 5, a left rear suspension 401 is arranged on the left longitudinal beam 4, a right rear suspension 501 is arranged on the right longitudinal beam 5, and the left rear suspension 401 and the right rear suspension 501 are symmetrically arranged.
The side of left back suspension 401 is equipped with first strengthening rib 4011, and first strengthening rib 4011 is connected with left longeron 4, and the side of right back suspension 501 is equipped with second strengthening rib 5011, and second strengthening rib 5011 is connected with right longeron 5. The side of suspension passes through the strengthening rib design behind left/right, and under the requirement that satisfies casting process, promotes the dynamic stiffness of rear mount and whole car NVH performance, through increasing the strengthening rib, provides the bigger rigidity and intensity of more ordinary structure for rear mount mounting point, guarantees the effective practicality of sub vehicle frame.
The junction of the side of the left rear suspension 401 and the left longitudinal beam 4 is provided with a first clearance groove 4012, and the junction of the side of the right rear suspension 501 and the right longitudinal beam 5 is provided with a second clearance groove 5012. And a clearance avoiding design is added, and the lightweight design is realized on the premise of ensuring the performance.
A first group of core holes 402 are formed in the left longitudinal beam 4 at the bottom of the first clearance groove 4012, and a second group of core holes 502 are formed in the right longitudinal beam 5 at the bottom of the second clearance groove 5012. The rear suspension part is additionally provided with core assembly hole design characteristics, the structure avoids the problem that parts cannot be demoulded, and meanwhile, the problem that the side drawing mechanism is additionally arranged on the die is solved, so that the die structure and the cost are simplified.
Sub vehicle frame main part 1 still includes front beam 2, and front beam 2's both ends are connected with the one end of left longeron 4, right longeron 5 respectively, and the both ends of rear frame member 3 are connected with the other end of left longeron 4, right longeron 5 respectively, and front beam 2, rear frame member 3 communicate with left longeron 4 and right longeron 5 respectively.
The front cross beam 2, the rear cross beam 3, the left longitudinal beam 4 and the right longitudinal beam 5 are integrally formed.
The working principle is as follows: by redesigning the left/right rear suspension structure of the auxiliary frame and designing the side edges of the left/right rear suspensions through reinforcing ribs, the dynamic stiffness of the rear suspension and the NVH performance of the whole vehicle are improved under the condition of meeting the casting process requirements; the auxiliary frame stabilizer bar and the control arm mounting hole are designed in a concurrent mode, the number of mounting points is reduced, meanwhile, the manufacturing time and cost are shortened, and a new direction is provided for product light weight; the rear suspension increases core assembling hole design characteristics, the structure avoids the problem that parts cannot be demoulded, the problem that a side drawing mechanism is added to a die is solved, the die structure and cost are simplified, the clearance design is increased, and the lightweight design is realized on the premise of ensuring the performance.
Example 2
A novel hollow cast-aluminum front subframe comprises a subframe main body 1, the subframe main body 1 comprises a rear cross beam 3, mounting holes 301 for mounting stabilizer bars and control arms are symmetrically formed in two sides of the rear cross beam 3, and the mounting holes 301 comprise first mounting holes 3011 and second mounting holes 3012. The mounting hole 301 is adopted in the installation of sub vehicle frame stabilizer bar and control arm and is in the same position of rear beam 3, has reduced the quantity of mounting point, has shortened the time and the cost of manufacturing simultaneously, also provides new direction for the product lightweight.
Example 3
A novel hollow cast-aluminum front subframe comprises a subframe main body 1, wherein the subframe main body 1 comprises a rear cross beam 3, mounting holes 301 for mounting stabilizer bars and control arms are symmetrically formed in two sides of the rear cross beam 3, and the mounting holes 301 comprise first mounting holes 3011 and second mounting holes 3012. The mounting hole 301 is adopted in the installation of sub vehicle frame stabilizer bar and control arm and is in the same position of rear beam 3, has reduced the quantity of mounting point, has shortened the time and the cost of manufacturing simultaneously, also provides new direction for the product lightweight.
The auxiliary frame main body 1 further comprises a left longitudinal beam 4 and a right longitudinal beam 5, a left rear suspension 401 is arranged on the left longitudinal beam 4, a right rear suspension 501 is arranged on the right longitudinal beam 5, and the left rear suspension 401 and the right rear suspension 501 are symmetrically arranged.
The side of left back suspension 401 is equipped with first strengthening rib 4011, and first strengthening rib 4011 is connected with left longeron 4, and the side of right back suspension 501 is equipped with second strengthening rib 5011, and second strengthening rib 5011 is connected with right longeron 5. The side of suspension passes through the strengthening rib design behind the left/right, and under the requirement that satisfies casting technology, promotes the dynamic stiffness of rear suspension and whole car NVH performance, through increasing the strengthening rib, provides the bigger rigidity and the intensity of more ordinary structure for rear suspension mounting point, guarantees the effective practicality of sub vehicle frame.
The junction of the side of the left rear suspension 401 and the left longitudinal beam 4 is provided with a first clearance groove 4012, and the junction of the side of the right rear suspension 501 and the right longitudinal beam 5 is provided with a second clearance groove 5012. And the design of avoiding the space is added, and the light weight design is realized on the premise of ensuring the performance.
A first group of core holes 402 are formed in the left longitudinal beam 4 at the bottom of the first clearance groove 4012, and a second group of core holes 502 are formed in the right longitudinal beam 5 at the bottom of the second clearance groove 5012. The rear suspension part is additionally provided with core assembly hole design characteristics, the structure avoids the problem that parts cannot be demoulded, and meanwhile, the problem that the side drawing mechanism is additionally arranged on the die is solved, so that the die structure and the cost are simplified.
Claims (7)
1. The utility model provides a novel hollow cast aluminum front auxiliary frame, includes sub vehicle frame main part (1), sub vehicle frame main part (1) includes rear beam (3), its characterized in that: mounting holes (301) for mounting the stabilizer bar and the control arm are symmetrically formed in two sides of the rear cross beam (3), and the mounting holes (301) comprise first mounting holes (3011) and second mounting holes (3012).
2. The novel hollow cast-aluminum front subframe according to claim 1, wherein: the auxiliary frame main body (1) further comprises a left longitudinal beam (4) and a right longitudinal beam (5), a left rear suspension (401) is arranged on the left longitudinal beam (4), a right rear suspension (501) is arranged on the right longitudinal beam (5), and the left rear suspension (401) and the right rear suspension (501) are symmetrically arranged.
3. The novel hollow cast-aluminum front subframe according to claim 2, wherein: the side of left side back suspension (401) is equipped with first strengthening rib (4011), and first strengthening rib (4011) is connected with left longeron (4), and the side of right back suspension (501) is equipped with second strengthening rib (5011), and second strengthening rib (5011) is connected with right longeron (5).
4. The novel hollow cast-aluminum front subframe according to claim 2, wherein: a first clearance groove (4012) is formed in the joint of the side face of the left rear suspension (401) and the left longitudinal beam (4), and a second clearance groove (5012) is formed in the joint of the side face of the right rear suspension (501) and the right longitudinal beam (5).
5. The novel hollow cast-aluminum front subframe according to claim 4, wherein: a first group of core holes (402) are formed in the bottom, located in the first clearance groove (4012), of the left longitudinal beam (4), and a second group of core holes (502) are formed in the bottom, located in the second clearance groove (5012), of the right longitudinal beam (5).
6. The novel hollow cast aluminum front subframe according to claim 2, wherein: the auxiliary frame main body (1) further comprises a front cross beam (2), the two ends of the front cross beam (2) are connected with one ends of the left longitudinal beam (4) and the right longitudinal beam (5) respectively, the two ends of the rear cross beam (3) are connected with the other ends of the left longitudinal beam (4) and the right longitudinal beam (5) respectively, and the front cross beam (2) and the rear cross beam (3) are communicated with the left longitudinal beam (4) and the right longitudinal beam (5) respectively.
7. The novel hollow cast aluminum front subframe according to claim 6, wherein: the front cross beam (2), the rear cross beam (3), the left longitudinal beam (4) and the right longitudinal beam (5) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222010328.4U CN218431403U (en) | 2022-07-29 | 2022-07-29 | Novel hollow cast aluminum front auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222010328.4U CN218431403U (en) | 2022-07-29 | 2022-07-29 | Novel hollow cast aluminum front auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218431403U true CN218431403U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222010328.4U Active CN218431403U (en) | 2022-07-29 | 2022-07-29 | Novel hollow cast aluminum front auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218431403U (en) |
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2022
- 2022-07-29 CN CN202222010328.4U patent/CN218431403U/en active Active
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