CN217074521U

CN217074521U - Energy-absorbing protective beam is connected to electric automobile's body

Info

Publication number: CN217074521U
Application number: CN202123374564.6U
Authority: CN
Inventors: 刘黎明; 翁盛锋; 杨天洪; 徐冬杰; 李少安; 金董; 丁伟根; 刘胜
Original assignee: Zhejiang Tuowei Auto Part Co ltd
Current assignee: Zhejiang Tuowei Auto Part Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-29
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a car, sub vehicle frame make and production technical field specifically are an energy-absorbing guard beam is connected to electric automobile's body. The reasonable distribution self space can install guard beam and guard plate simultaneously, and the side rear sets up the connection of installation support plate reinforcing and longeron. Including the support crossbeam, the support crossbeam is hollow body structure, wherein: the support beam comprises a beam tube body and side connecting tubes which are integrally molded, arranged or hinged or welded at the head end and the tail end of the beam tube body, 1 protecting beam connecting seat is respectively arranged on the beam tube body from left to right, the protecting beam connecting seats are vertically arranged at the top of the beam tube body, 1 rear supporting arc sheet is arranged at the rear end of each protecting beam connecting seat, and one side wing supporting arc sheet is arranged on the outer wall of the inner side of each protecting beam connecting seat; the beam pipe body is provided with an energy absorption plate connecting seat in the front direction. The energy-absorbing plate connecting seat is used for installing an energy-absorbing plate, adopts a box-shaped inserting structure, is fixed by bolts and can be automatically broken and bent when being impacted.

Description

Energy-absorbing protective beam is connected to electric automobile's body

Technical Field

The utility model relates to a car, sub vehicle frame make and production technical field specifically are an energy-absorbing guard beam is connected to electric automobile's body.

Background

The automobile is provided with a protective beam for collision prevention, the protective beam is generally arranged at the front section of an auxiliary frame and is a main energy-absorbing part during frontal collision, the energy-absorbing characteristic of the protective beam has important influence on the front collision safety of the whole automobile, and the protective beam can absorb enough energy in a limited deformation range during the frontal collision of the automobile, so that the probability of the damage risk of an engine and accessories thereof entering a passenger compartment is reduced, and the probability of the damage risk of the passengers is increased; as described in patent No. CN201110200001.7, a front vehicle body structure according to the present invention is a front vehicle body structure in which a reinforcement plate that connects front ends of respective subframes to each other and protrudes forward is provided in front of a pair of left and right subframes that are provided on the vehicle width direction outer sides of a heat exchanger, and the reinforcement plate is connected to a lower portion of the subframe in a state of being capable of falling downward in response to a load at the time of a front collision. Therefore, the mounting rigidity of the reinforcing plate can be fully ensured at ordinary times, the safety of pedestrians can be fully ensured by enabling the reinforcing plate to fall off from the auxiliary frame during front collision, but the electric automobile is applied, the weight of the electric automobile is lighter than that of a fuel oil vehicle, the number of components of an engine compartment is small, the anti-collision capacity is weak, the anti-collision structure is not required to absorb energy immediately with a burst-type effect immediately during collision, but the rigidity of a certain anti-collision component is maintained to protect the automobile body, so that the structure capable of reinforcing the rigidity after the protective beam is connected is required, and the weight is not excessively increased.

Disclosure of Invention

In order to solve the problems existing in the prior art, the energy-absorbing protective beam is connected to the pipe body of the electric automobile, the protective beam and the protective plate can be installed simultaneously by reasonably distributing the self space, and the side rear part is provided with the installation support frame plate for enhancing the connection with the longitudinal beam.

The utility model provides a technical scheme that its technical problem adopted: the utility model provides an energy-absorbing guard beam is connected to electric automobile's body, includes the support crossbeam, and the support crossbeam is hollow body structure, wherein: the support beam comprises a beam tube body and side connecting tubes which are integrally molded at the head end and the tail end of the beam tube body or are hinged or welded, 1 protecting beam connecting seat is respectively arranged on the beam tube body from left to right, the protecting beam connecting seats are vertically arranged at the top of the beam tube body, 1 rear supporting arc sheet is arranged at the rear end of each protecting beam connecting seat, and one side wing supporting arc sheet is arranged on the outer wall of the inner side of each protecting beam connecting seat; the beam pipe body is provided with an energy absorption plate connecting seat in the front direction. The energy-absorbing plate connecting seat is used for installing an energy-absorbing plate, adopts a box-shaped inserting structure, is fixed by bolts, and can be automatically broken and bent or integrally extruded when being impacted, and the whole beam body cannot directly impact the interior of the vehicle body to damage vehicle body parts due to the arrangement of a transverse line; the two protective beam connecting seats for connecting and arranging the protective beams do not need to be directly connected with a thick supporting frame and the beam body to form an upper-lower double-layer structure or directly weld 1 vertical connecting column structure; the protection beam connecting seats of two metal plate hollow box body structures with very light weight are adopted for connecting the protection beams, and the side positions and the rear positions of the protection beam connecting seats are provided with guide stress and the connecting capacity of the auxiliary frame of the vehicle body is enhanced.

Preferably, the protective beam connecting seat comprises a connecting seat box and a connecting box sealing plate, the connecting seat box is integrally L-shaped, the front end opening is hermetically provided with the connecting box sealing plate, and the connecting box sealing plate is Z-shaped. At first the connection box, can form hollow box body structure after the connection box closing plate welded connection, whole weight is very light, but thickness is enough, and the horizontal part at connection box top is used for the hasp at the connecting pipe top of guard beam to set up the bolt hole and be used for spiro union or articulated, be the structure that drops of formula of can bursting, can the fracture drop under the atress limit condition for protect the passenger of automobile body inside.

Preferably, a connecting box welding piece is arranged at the bottom of the front end of the connecting box sealing plate, extends to the front wall of the beam pipe body and is welded and fixed. The structure increases the connection and fixation stability of the beam pipe body and the bottom of the connection box sealing plate, and transmits the stress dispersion to the beam pipe body.

Preferably, a sealing plate extending piece extends from the bottom of the connecting box sealing plate to the front wall of the beam pipe body and is welded and fixed. Also be used for strengthening the connection box closing plate and the connection ability of beam pipe body equally, and after the combination of connection box welding piece, form the structure that hinders in the place ahead and move back, strengthen the anti impact ability of whole protection roof beam connecting seat.

Preferably, the rear supporting arc piece is L-shaped in overlooking structure, the top of the rear supporting arc piece is connected to the back face of the protective beam connecting seat, the bottom of the rear supporting arc piece is connected to the rear wall of the beam pipe body, the middle position of the rear supporting arc piece is in an arc-shaped circle-cutting shape and is connected to the longitudinal beam, and the top of the inner side of the rear supporting arc piece is connected with the side wing supporting arc piece. The wide range of connection reaches simultaneously and is connected jointly with protection roof beam connecting seat, beam pipe body, flank support arc piece, and the multiple structure is integrative, and the load transfer structure is smooth and easy.

Preferably, the side wing supporting arc piece is S-shaped, the head end of the side wing supporting arc piece is flatly and straightly attached to the outer wall of the inner side, and the tail end of the side wing supporting arc piece is provided with a bent arc piece. The anti transverse torsion of reinforcing guard beam connecting seat prevents the side impact, and the setting up of buckling the arc piece can make the flank support the arc piece very long at the connection length at longeron top, and biography power and differentiation ability are stronger to half cohesion longeron makes connection structure and fastening.

The utility model has the following beneficial effects: 1. reasonably distributing the space of the bracket cross beam, vertically arranging a protective beam connecting seat above, arranging an energy-absorbing plate connecting seat at the front side, and respectively connecting a protective beam and an energy-absorbing plate for protection up and down without interference; the anti-collision assembly is high in rigidity, the vehicle body is protected, rigid connection is strengthened after the protective beam is connected, and most importantly, the weight of the whole structure is not excessively increased due to the metal plate body structure;

2. the protective beam connecting seat is provided with a rear supporting arc sheet, a side wing supporting arc sheet and a protective beam connecting seat which are mutually welded and spliced, and is widely connected with 3 main structural members for connecting the protective beam connecting seat and a longitudinal beam into a whole, the connecting range of the rear supporting arc sheet, the side wing supporting arc sheet and the protective beam connecting seat is wide, the common connection with the protective beam connecting seat, a beam tube body and the side wing supporting arc sheet is realized, multiple structures are integrated, and a force transmission structure is smooth;

3. the collapsible drop structure is maintained, and the drop structure can break and drop under the condition of stress limit, so that passengers in the vehicle body can be protected.

Drawings

FIG. 1 is an overall perspective view;

FIG. 2 is an overall top view structural diagram;

FIG. 3 is a perspective view of the entire front view;

FIG. 4 is an overall rear perspective view;

FIG. 5 is an embodiment front perspective view;

fig. 6 is an embodiment side perspective view.

Description of reference numerals: support crossbeam 1, roof beam pipe body 2, side connecting pipe 3, guard beam connecting seat 4, back support arc piece 5, flank support arc piece 6, energy-absorbing plate connecting seat 7, connecting seat box 8, connecting box closing plate 9, connecting box welding piece 10, antetheca 11, the arc piece 12 of buckling, closing plate extension piece 13, longeron 14, energy-absorbing plate 15, guard beam 16.

Detailed Description

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The present invention will be further explained with reference to the accompanying drawings:

as fig. 1 shows an energy-absorbing guard beam is connected to electric automobile's body, including the support crossbeam 1 of panel beating low pressure punching press, support crossbeam 1 is hollow body structure, and whole weight ratio is lighter, wherein: as shown in fig. 2, the bracket beam 1 comprises a beam tube body 2 and side connecting tubes 3 which are integrally formed or hinged or welded at the head and the tail ends thereof, the side connecting tubes 3 which are arranged are used for connecting a vehicle body, the cross-sectional structure is square, and transverse bolts are convenient to insert or mount, 1 protecting beam connecting seat 4 is respectively arranged on the beam tube body 2 from left to right, as shown in fig. 1 and 2, the protecting beam connecting seats 4 are vertically arranged at the top of the beam tube body 2, 1 rear supporting arc piece 5 is arranged at the rear end of the beam tube body and is mainly used for dealing with the huge impact force and collision in the front and rear directions shown in fig. 2 and 6, the thickness of the added protecting beam connecting seats is doubled, the fixed distance is greatly prolonged, as shown in fig. 2 and 4, the inner side wall is provided with a side wing supporting arc piece 6, the overlooking structure of the rear supporting arc piece 5 is in an L shape, and the top of the rear supporting arc piece is connected to the back of the protecting beam connecting seats 4, the bottom is connected to the rear wall of the beam pipe body 2, the middle position is in an arc-shaped circle-cutting shape and is connected to the longitudinal beam 14, and the top of the inner side is connected with the side wing supporting arc sheet 6. The wide range of connection reaches simultaneously and is connected jointly with protection roof beam connecting seat, beam pipe body, flank support arc piece, and the multiple structure is integrative, and the load transfer structure is smooth and easy. As shown in fig. 6, a protective beam connecting seat is vertically arranged above the support beam by reasonably distributing the space of the support beam, an energy absorption plate connecting seat is arranged at the front side, and the protective beam and an energy absorption plate for protection are respectively connected up and down without interference; the anti-collision assembly has high rigidity, not only protects the car body, but also strengthens the rigid connection after being connected with the protective beam;

as shown in fig. 1 and 6, the beam pipe body 2 is provided with an energy absorption plate connecting seat 7 in a front direction. The energy-absorbing plate connecting seat 7 is used for installing an energy-absorbing plate 15, as shown in fig. 5, a box-shaped inserting structure is adopted, and then the energy-absorbing plate is fixed by bolts and can be automatically broken and bent or integrally extruded when being impacted, because the transverse line of the whole beam body is arranged, the whole beam body cannot directly impact the interior of a vehicle body to damage vehicle body parts; two guard beam connecting seats for connecting and arranging the guard beams do not need to be directly connected with a thick support frame and the beam body to form an upper-lower double-layer structure or directly welded with 1 vertical connecting column structure; the protective beam connecting seats of two metal plate hollow box structures with very light weight are adopted for connecting the protective beams 16, and guiding stress and reinforcing and vehicle body auxiliary frame connecting capacity are arranged at the side and the rear positions of the protective beams.

As shown in fig. 3 and 5, the guard beam connecting seat 4 includes a connecting seat box 8 and a connecting box sealing plate 9, the connecting seat box 8 is L-shaped as a whole, the front end opening is hermetically provided with the connecting box sealing plate 9, and the connecting box sealing plate 9 is Z-shaped. At first the connection box 8, can form hollow box body structure after connection box closing plate 9 welded connection, whole weight is very light, but thickness is enough, and the horizontal part at connection box 8 top is used for the hasp at the connecting pipe top of guard beam to set up the bolt hole and be used for spiro union or articulated, be the structure that drops of a formula of can bursting, can fracture under the atress limit condition and drop, be used for protecting the passenger of automobile body inside.

The front end bottom of connection box closing plate 9 is provided with connection box welding piece 10, and connection box welding piece 10 extends to set up to the antetheca 11 and welded fastening of beam tube body 2. This kind of structure increases the connection fixed stability of beam pipe body 2 and connection box closing plate 9 bottom to transmit the stress dispersion to beam pipe body 2.

As shown in fig. 3, a seal plate extension piece 13 is extended from the bottom of the connection box seal plate 9 to the front wall 11 of the beam pipe body 2 and is welded and fixed. The connecting box is also used for enhancing the connecting capacity of the connecting box sealing plate and the beam pipe body, and after the connecting box sealing plate and the connecting box welding sheet 10 are combined, a front retreat resisting structure is formed, and the impact force resisting capacity of the whole protective beam connecting seat is enhanced.

As shown in fig. 2 and 4, the side wing supporting arc piece 6 is S-shaped, the head end of the side wing supporting arc piece is vertically attached to the inner outer wall, and the tail end of the side wing supporting arc piece is provided with a bent arc piece 12. "weld the back support arc piece of concatenation", flank support arc piece, guard beam connecting seat, extensive connection main 3 structure as an organic whole with guard beam connecting seat and longeron connection, their connection range is wide, strengthen the anti horizontal torsion of guard beam connecting seat, prevent the side impact, the setting up of buckling the arc piece can make the flank support the arc piece very long at the connection length at longeron top, power transmission and differentiation ability are stronger, and half cohesion longeron, make connection structure and fastening.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an energy-absorbing guard beam is connected to electric automobile's body, includes support crossbeam (1), and support crossbeam (1) is hollow body structure, characterized by: the support beam (1) comprises a beam tube body (2) and side connecting tubes (3) which are integrally molded, hinged or welded at the head end and the tail end of the beam tube body, wherein 1 protective beam connecting seat (4) is respectively arranged on the beam tube body (2) from left to right, the protective beam connecting seats (4) are vertically arranged at the top of the beam tube body (2), the rear end of each protective beam connecting seat is provided with 1 rear supporting arc piece (5), and the outer wall of the inner side of each protective beam connecting seat is provided with one side wing supporting arc piece (6); the beam pipe body (2) is provided with an energy absorption plate connecting seat (7) in the front direction.

2. The pipe body connecting energy-absorbing guard beam of the electric automobile as claimed in claim 1, wherein: the protective beam connecting seat (4) comprises a connecting seat box (8) and a connecting box sealing plate (9), the connecting seat box (8) is integrally L-shaped, the front end opening is hermetically provided with the connecting box sealing plate (9), and the connecting box sealing plate (9) is Z-shaped.

3. The pipe body connecting energy-absorbing guard beam of the electric automobile as claimed in claim 2, wherein: the front end bottom of connecting box closing plate (9) is provided with connecting box welding piece (10), and connecting box welding piece (10) extend to antetheca (11) and welded fastening of setting to beam pipe body (2).

4. The pipe body connecting energy-absorbing guard beam of the electric automobile as claimed in claim 2, wherein: the bottom of the connecting box sealing plate (9) extends to form a sealing plate extending sheet (13) to the front wall (11) of the beam pipe body (2) and is fixed by welding.

5. The pipe body connecting energy-absorbing guard beam of the electric automobile as claimed in claim 1, wherein: the rear supporting arc piece (5) is in an L shape in overlooking structure, the top of the rear supporting arc piece is connected to the back face of the protective beam connecting seat (4), the bottom of the rear supporting arc piece is connected to the rear wall of the beam pipe body (2), the middle position of the rear supporting arc piece is in an arc circle cutting shape and is connected to the longitudinal beam, and the top of the inner side of the rear supporting arc piece is connected with the side wing supporting arc piece (6).

6. The pipe body connecting energy-absorbing guard beam of the electric automobile as claimed in claim 1, wherein: the side wing supporting arc piece (6) is S-shaped, the head end of the side wing supporting arc piece is flatly and straightly attached to the outer wall of the inner side, and the tail end of the side wing supporting arc piece is provided with a bent arc piece (12).