CN112895874A - Device for preventing vehicle collision power assembly from extruding passenger compartment - Google Patents
Device for preventing vehicle collision power assembly from extruding passenger compartment Download PDFInfo
- Publication number
- CN112895874A CN112895874A CN202011057953.3A CN202011057953A CN112895874A CN 112895874 A CN112895874 A CN 112895874A CN 202011057953 A CN202011057953 A CN 202011057953A CN 112895874 A CN112895874 A CN 112895874A
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- power assembly
- longitudinal beam
- suspension bracket
- passenger compartment
- vehicle
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- 239000000725 suspension Substances 0.000 claims abstract description 98
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000031294 Upper limb fractures Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a device for preventing a power assembly from extruding a passenger compartment during vehicle collision, which comprises a left longitudinal beam and a right longitudinal beam which are fixedly connected to an auxiliary frame, wherein a power assembly is arranged between the left longitudinal beam and the right longitudinal beam, the power assembly is respectively connected with the left longitudinal beam and the right longitudinal beam through a left suspension bracket and a right suspension bracket, and one end close to the auxiliary frame is rotationally connected with the auxiliary frame through a rear suspension bracket; the left suspension support and the right suspension support are made of brittle materials. The problem of current vehicle in order to guarantee that power assembly does not extrude passenger cabin and sacrifice passenger cabin space size and satisfy the collision installation when colliding is solved.
Description
Technical Field
The invention relates to vehicle powertrain suspension, in particular to a device for preventing a power assembly from extruding a passenger compartment during vehicle collision.
Background
With the improvement of economic and living standards, people have higher and higher requirements on the safety of automobiles. At present, when a vehicle is in a frontal collision, the mode of increasing the distance between a power assembly and a front wall in the front-back direction is generally adopted to prevent the vehicle from directly colliding the power assembly to extrude a passenger compartment. The offset collision of the vehicle also adopts a mode of increasing the distance between the left side of the power assembly and the front wall in the front-rear direction to prevent the power assembly from extruding the passenger compartment.
However, in order to improve the passing ability of the vehicle and improve the overlooking view of the driver, and at the same time, in order to increase the size of the space in the front-back direction of the passenger compartment, more and more vehicles adopt a short front overhang design, the length of the engine compartment in the front-back direction of the short front overhang design is limited, when the size of the power assembly in the front-back direction is larger, a sufficient distance between the power assembly and the front wall in the front-back direction cannot be ensured frequently, and in order to ensure that the power assembly does not press the passenger compartment during vehicle collision, a mode of moving the front wall backward or partially sinking the front wall shape is adopted frequently, and the space size of the passenger compartment.
The problem that researchers need to solve urgently is to design and provide a device which does not affect the space of a passenger compartment and is low in cost and used for preventing a vehicle collision power assembly from extruding the passenger compartment.
Disclosure of Invention
The invention aims to provide a device for preventing a power assembly from extruding a passenger compartment during vehicle collision, which solves the problem that the space of the passenger compartment is sacrificed to meet the requirement of collision installation in order to ensure that the power assembly does not extrude the passenger compartment during collision of the existing vehicle.
The device for preventing the power assembly from extruding the passenger compartment during vehicle collision comprises a left longitudinal beam and a right longitudinal beam which are fixedly connected to an auxiliary frame, wherein a power assembly is arranged between the left longitudinal beam and the right longitudinal beam, the power assembly is respectively connected with the left longitudinal beam and the right longitudinal beam through a left suspension bracket and a right suspension bracket, and one end, close to the auxiliary frame, of the power assembly is rotatably connected with the auxiliary frame through a rear suspension bracket; the left suspension support and the right suspension support are made of brittle materials.
Furthermore, a herringbone left suspension support arm is arranged on the left suspension support and connected with the power assembly, and a mounting hole connected with the power assembly is formed in the left suspension support arm.
Furthermore, a herringbone right suspension support arm is arranged on the right suspension support and connected with the power assembly, and a mounting hole connected with the power assembly is formed in the right suspension support arm.
Furthermore, a rubber bushing is arranged on the rear suspension support, and the rear suspension support is connected with the auxiliary frame through the rubber bushing.
The invention has the beneficial effects that: because the left suspension support and the right suspension support which are made of brittle materials enable the left side and the right side of the power assembly to be connected with the left longitudinal beam and the right longitudinal beam, one end of the power assembly, which is close to the auxiliary frame, is rotatably connected with the rear suspension support, when the left longitudinal beam and the right longitudinal beam of the vehicle are deformed due to strong collision of the vehicle, the left suspension support and the right suspension support are broken, and the power assembly rotates downwards around the rear suspension support under the action of gravity, so that the situation that the member cabin is extruded by the power assembly due to collision of the vehicle, and passengers in the vehicle are injured is avoided. The invention has simple and reliable structure, compact device structure and low cost, improves the overlooking visual field of a driver, increases the space in the vehicle, and solves the problem that the space of the passenger compartment is sacrificed to meet the requirement of collision installation in order to ensure that a power assembly does not extrude the passenger compartment during collision.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural schematic diagram of the left longitudinal beam.
Fig. 3 is a structural schematic diagram of the right longitudinal beam.
Fig. 4 is a schematic structural diagram of the left suspension bracket.
Fig. 5 is a schematic view of a connection structure of the left suspension bracket and the left suspension bracket.
Fig. 6 is a schematic structural view of the right suspension bracket.
Fig. 7 is a schematic view of a connection structure of the right suspension bracket and the right suspension bracket.
Fig. 8 is a schematic view of a connection structure of the rear suspension bracket and the rear suspension bracket.
In the figure: 1-auxiliary frame, 2-left longitudinal beam, 3-right longitudinal beam;
4-left suspension bracket, 41-left suspension bracket arm, 42-left suspension bracket arm mounting groove;
5-a right suspension bracket, 51-a right suspension bracket arm and 52-a right suspension bracket arm mounting groove;
6-rear suspension bracket, 61-rear suspension cushion;
7-passenger compartment, 71-collision front wall;
8, a power assembly.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1-7, a device for preventing a vehicle collision power assembly from extruding a passenger compartment comprises a left longitudinal beam 2 and a right longitudinal beam 3 which are fixedly connected to a subframe 1, wherein a power assembly 8 is arranged between the left longitudinal beam 2 and the right longitudinal beam 3, the power assembly 8 is respectively connected with the left longitudinal beam 2 and the right longitudinal beam 3 through a left suspension bracket 4 and a right suspension bracket 5, one end close to the subframe 1 is rotatably connected with the subframe 1 through a rear suspension bracket 6, the other end is a collision front wall 71 connected with the end parts of the left longitudinal beam 2 and the right longitudinal beam 3, the left longitudinal beam 2 and the right longitudinal beam 3 are both in a dumbbell shape with two large ends and a small middle part, and the left suspension bracket 4 and the right suspension bracket 5 are respectively connected with the middle parts of the left longitudinal beam 2 and the right longitudinal beam 3; the left suspension support 4 and the right suspension support 5 are made of brittle materials such as aluminum alloy or plastics.
The left longitudinal beam 2 and the right longitudinal beam 3 have certain strength, the left longitudinal beam 2 and the right longitudinal beam 3 do not deform obviously when the vehicle collides slightly, when the vehicle collides seriously, the middle parts of the thin neck parts 3 of the left longitudinal beam 2 and the right longitudinal beam can deform obviously by the impact force, when the left longitudinal beam 2 and the right longitudinal beam 3 deform, the left suspension bracket 4 and the right suspension bracket 5 are stressed to break, the power assembly 8 is separated from the connection of the left longitudinal beam 2 and the right longitudinal beam 3, one end of the power assembly 8, which is close to the front wall 71 of the collision, sinks due to the self weight and rotates downwards around the rear suspension bracket 6, the power assembly 8 can not be impacted, and therefore the situation that the power assembly 8 extrudes the passenger cabin 7 due to the vehicle collision and harms passengers in the vehicle is avoided.
Furthermore, a herringbone left suspension support arm 41 is arranged on the left suspension support 4 and connected with the power assembly 8, and a mounting hole connected with the power assembly 8 is formed in the left suspension support arm 41. Be equipped with left suspension bracket mounting groove 42 on left suspension support 4, the interference embedding has the rubber pad of mounting hole (not marked in the picture) in the mounting hole of left side suspension bracket 41, the mounting hole interference fit of left side suspension bracket and rubber pad makes its and left suspension leg joint, left side suspension support 4 passes through mounting hole and 8 fixed connection of power assembly, left side suspension bracket 41 passes through the fastener and is connected with power assembly 8, and the left side suspension bracket 41 of institute makes for brittle material equally. When the vehicle runs, the rubber pad can effectively isolate partial vibration of the power assembly to achieve the effect of shock absorption, when a small vehicle collides, the elasticity of the rubber bushing can absorb a part of impact force, the power assembly 8 is not affected, and when the impact force is large, the left longitudinal beam deforms, and the left suspension bracket arm fractures.
Furthermore, a herringbone right suspension support arm 51 is arranged on the right suspension support 5 and connected with the power assembly 8, and a mounting hole connected with the power assembly 8 is formed in the right suspension support arm 51. Be equipped with right suspension trailing arm mounting groove 52 on the right suspension support 5, the interference embedding has the rubber pad of mounting hole (not marking in the picture) in the suspension trailing arm mounting groove 52 of the right side, the mounting hole interference of right side suspension trailing arm 51 and rubber pad is joined in marriage and is made it and right suspension support 5 be connected, right side suspension support 5 passes through mounting hole and 8 fixed connection of power assembly, right side suspension trailing arm 51 passes through the fastener and is connected with power assembly 8, and right side suspension trailing arm 51 is the brittle material equally and makes. When the vehicle runs, the rubber pad can effectively isolate partial vibration of the power assembly to achieve the effect of shock absorption, when a small vehicle collides, the elasticity of the rubber bushing can absorb a part of impact force, the power assembly 8 is not affected, and when the impact force is large, the right longitudinal beam deforms, and the right suspension supporting arm is broken.
And a rear suspension cushion 61 is arranged on the rear suspension support 6 and is connected with the auxiliary frame. One end of the rear suspension bracket 6 is connected with the power assembly 8, and the other end is connected with the rear suspension soft cushion 61; one end of the rear suspension soft cushion 61 is connected with the rear suspension bracket 6, and the other end is connected with the vehicle assistant driver 1. When the left suspension support and the right suspension support are broken and the power assembly rotates around the rear suspension support, the rear suspension cushion achieves a damping effect and protects the power assembly 8.
Claims (3)
1. The device for preventing the power assembly from extruding the passenger compartment during vehicle collision is characterized by comprising a left longitudinal beam (2) and a right longitudinal beam (3) which are fixedly connected to an auxiliary frame (1), wherein a power assembly (8) is arranged between the left longitudinal beam (2) and the right longitudinal beam (3), the power assembly (8) is respectively connected with the left longitudinal beam (2) and the right longitudinal beam (3) through a left suspension bracket (4) and a right suspension bracket (5), and one end, close to the auxiliary frame (1), of the power assembly is rotatably connected with the auxiliary frame (1) through a rear suspension bracket (6); the left suspension bracket (4) and the right suspension bracket (5) are made of brittle materials.
2. The device for preventing the vehicle from colliding with the member cabin of the power assembly as claimed in claim 1, wherein a herringbone left suspension supporting arm (41) is arranged on the left suspension bracket (4) and connected with the power assembly (2), and a mounting hole connected with the power assembly (8) is formed in the left suspension supporting arm (41).
3. The device for preventing the vehicle from colliding with the member cabin of the power assembly as claimed in claim 1, wherein a herringbone right suspension bracket arm (51) is arranged on the right suspension bracket (5) and connected with the power assembly (8), and a mounting hole connected with the power assembly (8) is arranged on the right suspension bracket arm (51).
The device for preventing the vehicle from colliding with the member cabin of the power assembly as claimed in claim 1, wherein the rear suspension bracket (6) is provided with a rubber bushing (61), and the rear suspension bracket (6) is connected with the auxiliary frame (1) through the rubber bushing (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011057953.3A CN112895874A (en) | 2020-09-30 | 2020-09-30 | Device for preventing vehicle collision power assembly from extruding passenger compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011057953.3A CN112895874A (en) | 2020-09-30 | 2020-09-30 | Device for preventing vehicle collision power assembly from extruding passenger compartment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112895874A true CN112895874A (en) | 2021-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011057953.3A Pending CN112895874A (en) | 2020-09-30 | 2020-09-30 | Device for preventing vehicle collision power assembly from extruding passenger compartment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112895874A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834534A (en) * | 2022-04-27 | 2022-08-02 | 岚图汽车科技有限公司 | Controllable structure that drops of preceding power assembly among collision process |
| WO2023035716A1 (en) * | 2021-09-08 | 2023-03-16 | 浙江吉利控股集团有限公司 | Suspension support for improving collision performance, power assembly structure, and automobile |
Citations (6)
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|---|---|---|---|---|
| CN1792660A (en) * | 2004-12-21 | 2006-06-28 | 现代自动车株式会社 | Power train mounting systems for motor vehicles |
| JP2017081381A (en) * | 2015-10-27 | 2017-05-18 | トヨタ自動車株式会社 | Vehicle lower part structure |
| CN109760499A (en) * | 2019-03-06 | 2019-05-17 | 浙江爱特新能源汽车有限公司 | Powertrain mounting system suitable for electric car |
| CN109885963A (en) * | 2019-03-07 | 2019-06-14 | 天津龙创世纪汽车设计有限公司 | A kind of method that the simulation of vehicle head-on crash is suspended and its failed |
| CN110978976A (en) * | 2019-12-25 | 2020-04-10 | 浙江合众新能源汽车有限公司 | Suspension system of electric automobile |
| CN210363349U (en) * | 2019-04-12 | 2020-04-21 | 江苏敏安电动汽车有限公司 | Structure for avoiding extrusion of automobile collision high-voltage wire harness |
-
2020
- 2020-09-30 CN CN202011057953.3A patent/CN112895874A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792660A (en) * | 2004-12-21 | 2006-06-28 | 现代自动车株式会社 | Power train mounting systems for motor vehicles |
| JP2017081381A (en) * | 2015-10-27 | 2017-05-18 | トヨタ自動車株式会社 | Vehicle lower part structure |
| CN109760499A (en) * | 2019-03-06 | 2019-05-17 | 浙江爱特新能源汽车有限公司 | Powertrain mounting system suitable for electric car |
| CN109885963A (en) * | 2019-03-07 | 2019-06-14 | 天津龙创世纪汽车设计有限公司 | A kind of method that the simulation of vehicle head-on crash is suspended and its failed |
| CN210363349U (en) * | 2019-04-12 | 2020-04-21 | 江苏敏安电动汽车有限公司 | Structure for avoiding extrusion of automobile collision high-voltage wire harness |
| CN110978976A (en) * | 2019-12-25 | 2020-04-10 | 浙江合众新能源汽车有限公司 | Suspension system of electric automobile |
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| 章兵等: "某商用车动力总成悬置系统的优化设计", 《现代制造工程》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023035716A1 (en) * | 2021-09-08 | 2023-03-16 | 浙江吉利控股集团有限公司 | Suspension support for improving collision performance, power assembly structure, and automobile |
| CN114834534A (en) * | 2022-04-27 | 2022-08-02 | 岚图汽车科技有限公司 | Controllable structure that drops of preceding power assembly among collision process |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210604 |