CN214215705U - Front end frame structure - Google Patents
Front end frame structure Download PDFInfo
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- CN214215705U CN214215705U CN202022467724.0U CN202022467724U CN214215705U CN 214215705 U CN214215705 U CN 214215705U CN 202022467724 U CN202022467724 U CN 202022467724U CN 214215705 U CN214215705 U CN 214215705U
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Abstract
A front end frame structure comprises a front end upper cross beam, a pair of first stand columns, a pair of second stand columns and a pair of front longitudinal beams, wherein the pair of first stand columns are connected to two ends of the bottom of the front end upper cross beam respectively; the bottom end of each first upright post is detachably connected to the top end of one second upright post through a mounting bracket. The utility model relates to a front end frame construction adopts split type frame construction, divide into about the stand two parts, through the installing support connection, when the vehicle received the striking, the relative second stand of first stand slided certain stroke to this increases the energy-absorbing space of vehicle front end in proper order, effectively reduces pedestrian's injury, and the installing support is easily changed simultaneously, reduces vehicle maintenance cost.
Description
Technical Field
The utility model belongs to the automobile manufacturing field, more specifically relates to a front end frame construction.
Background
In an accident in which a vehicle collides with a pedestrian, the pedestrian outside the vehicle is more likely to be injured than the passenger protected by the layer inside the vehicle. With the continuous development of automobile technology, the reduction of the casualty rate of road safety accidents becomes the key point of developing vehicle structures of all large vehicle enterprises, and all the large vehicle enterprises play the role of the last level of security protection of vulnerable groups on roads. Meanwhile, more and more consumers pay attention to the maintenance economy of the automobile, namely, the automobile can restore the state of the automobile before the accident in a more economical maintenance mode after the accident, which is also a difficulty in the development of the automobile. In traditional automobile design, because the influence of total layout and molding design, front end frame structure is mostly the integral type structure, provides the mounting point for bonnet lock, headlamp, radiator, condenser etc.. In the pedestrian protection test, the head or the leg of a pedestrian often does not have a large energy absorption space and generates a high damage value after impacting the partial structure of the front end frame structure below the engine hood or behind the front anti-collision beam, and after the pedestrian collides, the front end frame structure is seriously damaged, and the maintenance economy is high.
Therefore, it is desirable to design a new front end frame structure that has a larger energy absorbing space when a pedestrian collision occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a front end frame construction can have bigger energy-absorbing space when taking place the pedestrian collision.
In order to achieve the above object, the present invention provides a front end frame structure, including a front end upper cross beam, a pair of first vertical columns, a pair of second vertical columns and a pair of front longitudinal beams, wherein the pair of first vertical columns are respectively connected to two ends of the bottom of the front end upper cross beam, each of the second vertical columns is connected to the top of one of the front longitudinal beams, and the pair of front longitudinal beams are arranged perpendicular to the front end upper cross beam;
the bottom end of each first upright post is detachably connected to the top end of one second upright post through a mounting bracket.
Preferably, the first upright post is of a frame-shaped structure and comprises a first bottom wall, two first side walls and a first top wall,
the second upright post is of a U-shaped structure and comprises a second bottom wall and two second side walls.
Preferably, the mounting bracket is an n-type structure and comprises a third top wall and two third side walls;
the third side wall of each mounting bracket is connected to the second side wall of one of the second uprights, and the third top wall of the mounting bracket is connected to the first bottom wall of the first upright.
Preferably, a pair of first mounting holes is formed in a third top wall of the mounting bracket, and the first bottom wall of the first upright post is connected with the third top wall through a first connecting piece penetrating through the pair of first mounting holes;
each third side wall of the mounting bracket is provided with a second mounting hole, and the second side wall of the second upright post is connected with the third side wall through a second connecting piece penetrating through the second mounting hole.
Preferably, a limiting structure is arranged on the mounting bracket, a pair of first U-shaped grooves is arranged on the third top wall, and the open end of each first U-shaped groove is communicated with one first mounting hole through the limiting structure;
each third side wall is provided with a second U-shaped groove, and the open end of each second U-shaped groove is communicated with one second mounting hole through the limiting structure.
Preferably, the limiting structure is an arc-shaped groove, a pair of groove walls of the arc-shaped groove are arranged oppositely, and the minimum distance between the two groove walls is smaller than the aperture of the first mounting hole and the second mounting hole and smaller than the width of the first U-shaped groove and the second U-shaped groove.
Preferably, the opening direction of the first U-shaped groove is parallel to the length direction of the automobile body, and the opening direction of the second U-shaped groove is parallel to the height direction of the automobile body.
Preferably, the distance from the center of the first mounting hole to the closed end of the first U-shaped groove is L1, and L1 is not more than half of the length of the first bottom wall of the first upright post.
Preferably, the distance from the center of the second mounting hole to the closed end of the second U-shaped groove is L2, and L2 is no more than three-quarters of the length of the third side wall of the mounting bracket.
Preferably, the headlamp frame further comprises a front end lower cross beam, a pair of headlamp brackets and a pair of anti-collision cross beam mounting plates, the headlamp brackets are connected to two ends of the front end upper cross beam, each anti-collision cross beam mounting plate is connected to one front longitudinal beam, and two ends of the front end lower cross beam are respectively connected to the anti-collision cross beam mounting plates.
The utility model relates to a front end frame construction adopts split type frame construction, divide into about the stand two parts, through the installing support connection, when the vehicle received the striking, the relative second stand of first stand slided certain stroke to this increases the energy-absorbing space of vehicle front end in proper order, effectively reduces pedestrian's injury, and the installing support is easily changed simultaneously, reduces vehicle maintenance cost.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic general structural diagram of a front end frame structure according to an embodiment of the present invention;
fig. 2a is a schematic view illustrating a connection relationship between a first upright and a second upright in a front end frame structure according to an embodiment of the present invention, and fig. 2b is a schematic view illustrating a connection relationship between a first upright and a second upright at another angle;
fig. 3a shows a schematic structural view of a mounting bracket in a front end frame structure according to an embodiment of the present invention, fig. 3b shows a schematic structural view of a third top wall of the mounting bracket, and fig. 3c shows a schematic structural view of a third side wall of the mounting bracket;
fig. 4a shows a cross-sectional view of a third top wall of a mounting bracket in a front end frame structure according to an embodiment of the invention, and fig. 4b shows a cross-sectional view of a third side wall of the mounting bracket;
description of reference numerals:
1 front end entablature, 2 first stands, 3 second stands, 4 front longitudinal, 5 installing supports, 6 first U type grooves, 7 limit structure, 8 second U type grooves, 9 front end bottom end crossbeams, 10 headlight support, 11 anticollision crossbeam mounting panels.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In order to solve the problems in the prior art, the utility model provides a front end frame structure, which comprises a front end upper cross beam, a pair of first stand columns, a pair of second stand columns and a pair of front longitudinal beams, wherein the pair of first stand columns are respectively connected with two ends of the bottom of the front end upper cross beam, each second stand column is connected with the top of one front longitudinal beam, and the pair of front longitudinal beams are arranged perpendicular to the front end upper cross beam;
the bottom end of each first upright post is detachably connected to the top end of one second upright post through a mounting bracket.
The utility model relates to a front end frame construction adopts split type frame construction, divide into about the stand two parts, through the installing support connection, when the vehicle received the striking, the relative second stand of first stand slided certain stroke to this increases the energy-absorbing space of vehicle front end in proper order, effectively reduces pedestrian's injury, and the installing support is easily changed simultaneously, reduces vehicle maintenance cost.
Preferably, the first upright is a frame-shaped structure, comprising a first bottom wall, two first side walls and a first top wall,
the second upright post is of a U-shaped structure and comprises a second bottom wall and two second side walls.
The first upright post is of a frame shape to reduce the weight of the vehicle, the first bottom wall is used for being connected with the second upright post, and the first top wall is used for being connected with the front end upper cross beam; the second upright post is U-shaped, and the open end and the two second side walls of the U-shaped upright post are connected with the mounting bracket.
Preferably, the mounting bracket, the first upright post and the second upright post are all made of steel.
Preferably, the mounting bracket is of an n-type structure and comprises a third top wall and two third side walls;
the third side wall of each mounting bracket is connected to the second side wall of a second upright column, and the third top wall of each mounting bracket is connected to the first bottom wall of the first upright column.
Preferably, a pair of first mounting holes is formed in a third top wall of the mounting bracket, and the first bottom wall of the first upright post is connected with the third top wall through a first connecting piece penetrating through the pair of first mounting holes;
and each third side wall of the mounting bracket is provided with a second mounting hole, and the second side wall of the second upright post is connected with the third side wall through a second connecting piece which passes through the second mounting hole.
Preferably, the connector is a bolt.
Preferably, the mounting bracket is provided with a limiting structure, the third top wall is provided with a pair of first U-shaped grooves, and the open end of each first U-shaped groove is communicated with one first mounting hole through the limiting structure;
and a second U-shaped groove is formed in each third side wall, and the open end of each second U-shaped groove is communicated with one second mounting hole through a limiting structure.
Preferably, limit structure is the arc wall, and a pair of cell wall of arc wall sets up mutually back to back, and the minimum distance between two cell walls is less than the aperture of first mounting hole and second mounting hole to be less than the width in first U type groove and second U type groove. A pair of arc cell wall of arc wall sets up mutually, and a pair of arc groove forms both ends open-ended arc passageway promptly, and the opening at both ends communicates respectively in first mounting hole or second mounting hole and first U type groove or second U type groove, and minimum distance between two cell walls is located the mid portion of arc passageway to form the shutoff to first mounting hole and second mounting hole, avoid the connecting piece drunkenness.
Preferably, the opening direction of the first U-shaped groove is parallel to the length direction of the automobile body, and the opening direction of the second U-shaped groove is parallel to the height direction of the automobile body.
Preferably, the distance from the center of the first mounting hole to the closed end of the first U-shaped groove is L1, and L1 is not more than half of the length of the first bottom wall of the first upright post.
Preferably, the distance from the center of the second mounting hole to the closed end of the second U-shaped groove is L2, and L2 is no more than three-quarters of the length of the third side wall of the mounting bracket.
The vehicle is under normal condition, and first stand is connected with the installing support through two connecting pieces, the bolt promptly, and the lateral wall of second stand is connected with the installing support through two connecting pieces to carry on spacingly to the connecting piece through limit structure, avoid the bolt drunkenness.
When the striking that takes place to be on a parallel with automobile body length direction when the vehicle front end, the striking is protected before through the vehicle, grid reinforcing plate isotructure transmits to first stand, when the striking reaches certain numerical value, limit structure atress on the third roof of installing support takes place to warp, this limit structure can be broken through to the connecting piece, get into along the slot and the equidirectional first U type inslot motion of striking direction, the movement distance is L1, thereby ensure that pedestrian's head or the shank of striking have bigger energy-absorbing space when the emergence is collided, with the reduction to pedestrian's injury, avoid first stand and second stand and whole front end frame construction to take place to damage simultaneously.
When the front end of the vehicle is impacted in the direction parallel to the height of the vehicle body, the impact force is transmitted to the front end upper cross beam and the first upright post through a cover of the vehicle, a cover lock and other devices, when the impact force reaches a certain numerical value, the limiting mechanism on the third side wall of the mounting bracket is stressed to deform, the limiting mechanism is broken through the connecting piece, the connecting piece enters the second U-shaped groove in the same direction as the impact direction to move, the movement distance is L2, so that the energy absorption space is increased, pedestrians are protected, and meanwhile, the whole front end frame structure and the radiator, intercooler and other structures of the vehicle installed on the front end frame structure are prevented from being damaged.
The installing support can be dismantled with first stand, second stand respectively and be connected, and when the vehicle received the striking, stop gear was knocked open, only need during the maintenance change split type front end frame structure the installing support can, and need not to change whole front end frame to the maintenance cost of vehicle has been reduced.
Preferably, the headlamp bracket assembly further comprises a front end lower cross beam, a pair of headlamp brackets and a pair of anti-collision cross beam mounting plates, the headlamp brackets are connected to two ends of the front end upper cross beam, each anti-collision cross beam mounting plate is connected to one front longitudinal beam, and two ends of the front end lower cross beam are respectively connected to the pair of anti-collision cross beam mounting plates.
Examples
As shown in fig. 1 to 4b, the present invention provides a front end frame structure, which includes a front end upper beam 1, a pair of first columns 2, a pair of second columns 3 and a pair of front longitudinal beams 4, wherein the pair of first columns 2 are respectively connected to two ends of the bottom of the front end upper beam 1, each second column 3 is connected to the top of one front longitudinal beam 4, and the pair of front longitudinal beams 4 are arranged perpendicular to the front end upper beam 1;
the bottom end of each first upright 2 is detachably connected to the top end of one second upright 3 by means of a mounting bracket 5.
In this embodiment, the first upright 2 is of a frame-shaped structure, comprising a first bottom wall, two first side walls and a first top wall,
the second upright 3 is of a U-shaped configuration and comprises a second bottom wall and two second side walls.
The first upright post 2 is of a frame shape to reduce the weight of the vehicle, the first bottom wall is used for being connected with the second upright post 3, and the first top wall is used for being connected with the front end upper cross beam 1; the second upright 3 is provided with a U-shape, the open end of which and two second side walls are used to connect with the mounting bracket 5.
In this embodiment, the mounting bracket 5, the first upright 2 and the second upright 3 are all made of steel.
In the present embodiment, the mounting bracket 5 is an n-type structure, and includes a third top wall and two third side walls;
the third side wall of each mounting bracket 5 is connected to the second side wall of one of the second uprights 3, and the third top wall of the mounting bracket 5 is connected to the first bottom wall of the first upright 2.
In this embodiment, a pair of first mounting holes is provided on the third top wall of the mounting bracket 5, and the first bottom wall and the third top wall of the first upright post 2 are connected by a first connecting piece passing through the pair of first mounting holes;
each third side wall of the mounting bracket 5 is provided with a second mounting hole, and the second side wall of the second upright post 3 is connected with the third side wall through a second connecting piece passing through the second mounting hole.
In this embodiment, the connecting member is a bolt.
In this embodiment, the mounting bracket 5 is provided with a limiting structure 7, the third top wall is provided with a pair of first U-shaped grooves 6, and the open end of each first U-shaped groove 6 is communicated with one first mounting hole through the limiting structure 7;
each third side wall is provided with a second U-shaped groove 8, and the open end of each second U-shaped groove 8 is communicated with a second mounting hole through a limiting structure 7.
In this embodiment, limit structure 7 is the arc wall, and a pair of cell wall of arc wall sets up mutually, and minimum distance between two cell walls is less than the aperture of first mounting hole and second mounting hole to be less than the width in first U type groove 6 and second U type groove 8.
In the present embodiment, the opening direction of the first U-shaped groove 6 is parallel to the length direction of the automobile body, and the opening direction of the second U-shaped groove 8 is parallel to the height direction of the automobile body.
In the embodiment, the distance from the center of the first mounting hole to the closed end of the first U-shaped groove 6 is L1, and L1 is not more than half of the length of the first bottom wall of the first upright post 2.
In this embodiment, the distance from the center of the second mounting hole to the closed end of the second U-shaped groove 8 is L2, and L2 is not more than three-quarters of the length of the third side wall of the mounting bracket 5.
The vehicle is under normal condition, and first stand 2 is connected with installing support 5 through two connecting pieces, the bolt promptly, and the lateral wall of second stand 3 is connected with installing support 5 through two connecting pieces to carry out spacingly to the connecting piece through limit structure 7, avoid the bolt drunkenness.
When the striking that takes place to be on a parallel with automobile body length direction when the vehicle front end, the impact passes through the preceding guarantor of vehicle, grid reinforcing plate isotructure transmits to first stand 2, when the impact reaches certain numerical value, limit structure 7 atress on the third roof of installing support 5 takes place to warp, this limit structure 7 can be broken through to the connecting piece, get into along the slot and the first U type inslot 6 internal motion of striking direction syntropy, the movement distance is L1, thereby ensure that pedestrian's head or the shank of striking have bigger energy-absorbing space when bumping into, in order to reduce the injury to the pedestrian, avoid first stand 2 and second stand 3 and whole front end frame construction to take place to damage simultaneously.
When the front end of the vehicle is impacted in a direction parallel to the height direction of the vehicle body, the impact force is transmitted to the front end upper cross beam 1 and the first upright post 2 through a cover of the vehicle, a cover lock and other devices, when the impact force reaches a certain numerical value, the limiting mechanism on the third side wall of the mounting bracket 5 is stressed to deform, the connecting piece breaks the limiting mechanism, the connecting piece enters the second U-shaped groove 8 in the same direction as the impact direction to move, the movement distance is L2, so that the energy absorption space is increased, pedestrians are protected, and meanwhile, the whole front end frame structure and the radiator, intercooler and other structures of the vehicle mounted on the front end frame structure are prevented from being damaged.
The mounting bracket 5 is detachably connected with the first stand column 2 and the second stand column 3 respectively, when the vehicle is impacted, the limiting mechanism is knocked away, and only the mounting bracket 5 of the split type front end frame structure needs to be replaced during maintenance, so that the whole front end frame does not need to be replaced, and the maintenance cost of the vehicle is reduced.
In the embodiment, the headlamp structure further comprises a front end lower cross beam 9, a pair of headlamp brackets 10 and a pair of anti-collision cross beam mounting plates 11, wherein the pair of headlamp brackets 10 are connected to two ends of the front end upper cross beam 1, each anti-collision cross beam mounting plate 11 is connected to one front longitudinal beam 4, and two ends of the front end lower cross beam 9 are respectively connected to the pair of anti-collision cross beam mounting plates 11.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A front end frame structure is characterized by comprising a front end upper cross beam (1), a pair of first upright columns (2), a pair of second upright columns (3) and a pair of front longitudinal beams (4), wherein the pair of first upright columns (2) are respectively connected to two ends of the bottom of the front end upper cross beam (1), each second upright column (3) is connected to the top of one front longitudinal beam (4), and the pair of front longitudinal beams (4) are arranged perpendicular to the front end upper cross beam (1);
the bottom end of each first upright post (2) is detachably connected to the top end of one second upright post (3) through a mounting bracket (5).
2. Front end frame structure according to claim 1, characterized in that the first upright (2) is a frame-shaped structure comprising a first bottom wall, two first side walls and a first top wall;
the second upright post (3) is of a U-shaped structure and comprises a second bottom wall and two second side walls.
3. Front end frame structure according to claim 2, characterized in that the mounting bracket (5) is an n-type structure comprising one third top wall and two third side walls;
the third side wall of each mounting bracket (5) is connected to the second side wall of one second upright post (3), and the third top wall of the mounting bracket (5) is connected to the first bottom wall of the first upright post (2).
4. The front end frame structure of claim 3, wherein a pair of first mounting holes are provided on a third top wall of the mounting bracket (5), and the first bottom wall of the first upright (2) is connected with the third top wall through a first connecting member passing through the pair of first mounting holes;
each third side wall of the mounting bracket (5) is provided with a second mounting hole, and the second side wall of the second upright post (3) is connected with the third side wall through a second connecting piece penetrating through the second mounting hole.
5. The front end frame structure of claim 4, wherein the mounting bracket (5) is provided with a limiting structure (7), the third top wall is provided with a pair of first U-shaped grooves (6), and the open end of each first U-shaped groove (6) is communicated with one first mounting hole through the limiting structure (7);
each third side wall is provided with a second U-shaped groove (8), and the open end of each second U-shaped groove (8) is communicated with one second mounting hole through the limiting structure (7).
6. Front end frame structure according to claim 5, characterized in that the limiting structure (7) is an arc-shaped groove, a pair of groove walls of the arc-shaped groove are arc-shaped and arranged opposite to each other, and the minimum distance between the two groove walls is smaller than the aperture of the first and second mounting holes and smaller than the width of the first and second U-shaped grooves (6, 8).
7. Front end frame structure according to claim 5, characterised in that the opening direction of the first U-shaped groove (6) is parallel to the length direction of the car body and the opening direction of the second U-shaped groove (8) is parallel to the height direction of the car body.
8. The front end frame structure of claim 5, wherein the distance from the center of the first mounting hole to the closed end of the first U-shaped groove (6) is L1, and L1 is not more than half the length of the first bottom wall of the first upright (2).
9. Front end frame structure according to claim 5, characterised in that the distance from the centre of the second mounting hole to the closed end of the second U-shaped groove (8) is L2, L2 being not more than three quarters of the length of the third side wall of the mounting bracket (5).
10. The front end frame structure according to claim 1, further comprising a front end lower cross member (9), a pair of headlamp brackets (10), and a pair of anti-collision cross member mounting plates (11), wherein the pair of headlamp brackets (10) are connected to both ends of the front end upper cross member (1), each of the anti-collision cross member mounting plates (11) is connected to one of the front side members (4), and both ends of the front end lower cross member (9) are connected to the pair of anti-collision cross member mounting plates (11), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022467724.0U CN214215705U (en) | 2020-10-30 | 2020-10-30 | Front end frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022467724.0U CN214215705U (en) | 2020-10-30 | 2020-10-30 | Front end frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214215705U true CN214215705U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022467724.0U Active CN214215705U (en) | 2020-10-30 | 2020-10-30 | Front end frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214215705U (en) |
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2020
- 2020-10-30 CN CN202022467724.0U patent/CN214215705U/en active Active
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