CN217100171U - Energy absorption device for improving chassis collision force transfer - Google Patents
Energy absorption device for improving chassis collision force transfer Download PDFInfo
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- CN217100171U CN217100171U CN202220404182.9U CN202220404182U CN217100171U CN 217100171 U CN217100171 U CN 217100171U CN 202220404182 U CN202220404182 U CN 202220404182U CN 217100171 U CN217100171 U CN 217100171U
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- frame
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- energy absorption
- cross beam
- battery package
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Abstract
The utility model discloses an energy absorbing device for improving chassis collision force transmission, which comprises a frame, wherein the middle part of the frame is provided with a crossbeam, the frame and the crossbeam are integrated, the frame is in an A shape, both ends of the bottom of the frame are provided with auxiliary frame connecting holes, and the head of the frame is provided with a battery pack crossbeam connecting hole; the inner part of the beam is hollow so as to form a cavity structure, and the structure is used as a secondary energy absorption area; a quadrilateral structure is formed between the middle cross beam of the frame and the head of the frame, and the structure is used as a primary energy absorption area. The utility model discloses a rigid connection is realized with sub vehicle frame and near the web beam of battery package to this device, when the forward collision takes place, through the two-stage energy-absorbing district, but greatly reduced transmits the energy that gives the battery package to provide favorable guard action to the battery package, this device adopts the lightweight design simultaneously, and the practicality of device is strong, in the time of reducing weight, optimizes through CAE, has guaranteed the rigidity intensity of structure.
Description
Technical Field
The utility model relates to an automobile development field technical field particularly, relates to an energy-absorbing device for improving chassis collision and pass power.
Background
The new energy automobile is rapidly popularized in the domestic market, the automobile safety of the new energy automobile is the most important consideration of users, the automobile generally comprises an auxiliary frame, the auxiliary frame can be regarded as a framework of a front axle and a rear axle and is a component of the front axle and the rear axle, the auxiliary frame is not a complete frame and is a bracket for supporting the front axle and the rear axle and suspending, the axle and the suspending are connected with a positive frame through the auxiliary frame, the auxiliary frame is conventionally called as an auxiliary frame, the auxiliary frame has the function of isolating vibration and noise and reducing direct entering of the auxiliary frame into a carriage, so that the auxiliary frame is mostly appeared on luxury cars and off-road vehicles, after the auxiliary frame is born, the front suspension and the rear suspension can be assembled on the auxiliary frame to form an axle assembly, then the assembly is installed on the automobile body together, the auxiliary frame is extremely easy to damage under the condition that the automobile is collided, and huge impact energy is transmitted to a reinforcing cross beam near a battery pack through the auxiliary frame, thereby causing damage to the internal structure thereof and spontaneous combustion within a short time, resulting in significant loss. An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides an energy-absorbing device for improving chassis collision biography power can overcome the above-mentioned not enough of prior art.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
an energy absorption device for improving chassis collision force transfer comprises a frame, wherein a cross beam is arranged in the middle of the frame, the frame and the cross beam are integrated, the frame is in an A shape, auxiliary frame connecting holes are formed in two ends of the bottom of the frame, and a battery pack cross beam connecting hole is formed in the head of the frame; the inner part of the beam is hollow so as to form a cavity structure, and the structure is used as a secondary energy absorption area; a quadrilateral structure is formed between the middle cross beam of the frame and the head of the frame, and the structure is used as a primary energy absorption area.
Furthermore, the auxiliary frame connecting holes are symmetrically arranged on the middle shaft.
Furthermore, the secondary energy absorption area is composed of a plurality of groups of honeycomb-shaped cavity structures and penetrates through the beam.
The utility model has the advantages that: realize rigid connection with sub vehicle frame and near battery package's strengthening beam through this device, when the forward collision takes place, vibration energy at first spreads into this device from sub vehicle frame connecting hole, through the two-stage energy-absorbing district, final remaining energy spreads into the chassis through battery package crossbeam connecting hole, and then but greatly reduced transmits the energy for the battery package, thereby to the battery package provides favorable guard action, this device adopts the lightweight design simultaneously, the practicality of device is strong, in reducing weight, optimize through CAE, the rigidity intensity of structure has been guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an energy absorber for improving chassis collision force transmission according to an embodiment of the present invention.
Fig. 2 is a schematic side view of an energy absorber for improving chassis crash force transmission according to an embodiment of the present invention.
Fig. 3 is a schematic top view of an energy absorber for improving chassis crash force transmission according to an embodiment of the present invention.
In the figure: 1. the energy absorption device comprises a battery pack beam connecting hole, 2 auxiliary frame connecting holes, 3 a primary energy absorption area and 4 a secondary energy absorption area.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-3, the energy absorbing device for improving chassis collision force transmission according to the embodiment of the present invention comprises a frame, wherein a cross beam is arranged in the middle of the frame, the frame and the cross beam are integrated, the frame is in an a-shape, both ends of the bottom of the frame are provided with subframe connecting holes 2, and the head of the frame is provided with a battery pack cross beam connecting hole 1; the inner part of the beam is hollow so as to form a cavity structure, and the structure is used as a secondary energy absorption area 4; a quadrilateral structure is formed between the middle cross beam of the frame and the head of the frame, and the structure is used as a primary energy absorption area 3.
In the utility model discloses a specific embodiment, sub vehicle frame connecting hole 2 is the axis symmetry setting, selects the great point of rigidity on the sub vehicle frame, and realizes rigid connection through bolt and sub vehicle frame connecting hole 2.
In a specific embodiment of the utility model, battery package crossbeam connecting hole 1 is connected with battery package web beam, and web beam is close to the battery package, and when bumping, the energy finally transmits to the battery package crossbeam through the decay.
In an embodiment of the present invention, the secondary energy-absorbing region 4 is composed of a plurality of honeycomb-shaped cavity structures and is connected to the beam, and the beam is designed to have a buffering and damping effect when receiving external force through the cavity structures or the plurality of honeycomb-shaped cavity structures.
In a specific embodiment of the present invention, a quadrilateral structure is formed between the frame middle cross beam and the frame head, and the quadrilateral structure serves as a primary energy absorption region 3, and has mobility, and can play a role of buffering and damping when being subjected to an external force.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to the utility model discloses, select the great point of selection rigidity on the sub vehicle frame, realize rigid connection through bolt and sub vehicle frame connecting hole 2, battery package crossbeam connecting hole 1 is connected with battery package web beam, and when the car front portion received the striking, impact energy transmitted near web beam to battery package through sub vehicle frame, at first cushioned through one-level energy-absorbing area 3 at the in-process of impact force transmission, then got into second grade energy-absorbing area 4 and cushion.
To sum up, with the help of the utility model discloses an above-mentioned technical scheme, realize rigid connection through this device with sub vehicle frame and near the web beam of battery package, when forward collision takes place, vibration energy at first spreads into this device into from sub vehicle frame connecting hole, through the two-stage energy-absorbing district, final remaining energy spreads into the chassis into through battery package crossbeam connecting hole, and then but greatly reduced transmits the energy that transmits for the battery package, thereby favorable guard action is provided to the battery package, this device adopts the lightweight design simultaneously, the practicality of device is strong, when reducing weight, optimize through CAE, the rigidity intensity of structure has been guaranteed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An energy absorption device for improving chassis collision force transfer comprises a frame, wherein a cross beam is arranged in the middle of the frame, the frame and the cross beam are integrated, and the energy absorption device is characterized in that the frame is A-shaped, auxiliary frame connecting holes (2) are formed in two ends of the bottom of the frame, a battery pack cross beam connecting hole (1) is formed in the head of the frame, the interior of the cross beam is hollow to form a cavity structure, and the structure is used as a secondary energy absorption area (4); a quadrilateral structure is formed between the middle cross beam of the frame and the head of the frame, and the structure is used as a primary energy absorption area (3).
2. The energy absorber device for improving chassis crash force transmission according to claim 1, wherein the subframe attachment holes (2) are arranged axisymmetrically.
3. Energy-absorbing device for improving chassis crash force transmission according to claim 1, characterized in that the secondary energy-absorbing zone (4) consists of several sets of honeycomb-shaped cavity structures and runs through the beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220404182.9U CN217100171U (en) | 2022-02-28 | 2022-02-28 | Energy absorption device for improving chassis collision force transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220404182.9U CN217100171U (en) | 2022-02-28 | 2022-02-28 | Energy absorption device for improving chassis collision force transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217100171U true CN217100171U (en) | 2022-08-02 |
Family
ID=82599788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220404182.9U Active CN217100171U (en) | 2022-02-28 | 2022-02-28 | Energy absorption device for improving chassis collision force transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217100171U (en) |
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2022
- 2022-02-28 CN CN202220404182.9U patent/CN217100171U/en active Active
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