CN218505965U - Threshold roof beam and vehicle - Google Patents
Threshold roof beam and vehicle Download PDFInfo
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- CN218505965U CN218505965U CN202221233968.5U CN202221233968U CN218505965U CN 218505965 U CN218505965 U CN 218505965U CN 202221233968 U CN202221233968 U CN 202221233968U CN 218505965 U CN218505965 U CN 218505965U
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- 210000003205 muscle Anatomy 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000010521 absorption reaction Methods 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000003116 impacting effect Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 238000001125 extrusion Methods 0.000 description 1
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Abstract
The utility model relates to a threshold roof beam and vehicle, including threshold roof beam main part, threshold roof beam main part includes first energy-absorbing biography power portion and second energy-absorbing biography power portion, first energy-absorbing biography power portion has a plurality of first energy-absorbing chambeies of arranging along the left and right directions of vehicle, the projection of first energy-absorbing biography power portion in the left and right directions sets up to coincide partially at least with the projection of the seat crossbeam of vehicle in the left and right directions, second energy-absorbing biography power portion is located the below of first energy-absorbing biography power portion and has a plurality of second energy-absorbing chambeies of arranging along the left and right directions, the projection of second energy-absorbing biography power portion along the left and right directions sets up to coincide partially at least with the projection of the battery package shell of vehicle in the left and right directions. The threshold beam firstly utilizes the first energy-absorbing force-transmitting part and the second energy-absorbing force-transmitting part to collapse and absorb part of collision energy, and then transmits weakened collision force to the seat beam and the battery pack shell in a dispersing manner, so that the collision resistance requirement on the seat beam and the battery pack shell can be reduced, and the weight of the whole vehicle is further reduced.
Description
Technical Field
The present disclosure relates to the field of vehicle technology, and in particular, to a threshold beam and a vehicle.
Background
In the related art, when the threshold beam is subjected to side collision, the threshold beam generally resists the side collision force through a seat cross beam on the inner side of the threshold beam so as to ensure the integrity of a vehicle body and avoid the threshold beam from being bent or collapsed to invade a passenger compartment, and in order to improve the capability of the seat cross beam for resisting the side collision force, the seat cross beam is generally subjected to reinforcement design; for an electric vehicle or a hybrid vehicle provided with a battery pack, the battery pack is generally installed below a threshold beam, and when a side impact force directly acts on the battery pack, the battery pack case needs to have sufficient strength to resist the impact force, so as to protect the battery inside the battery pack case, and therefore, the battery pack case is generally designed to be reinforced. No matter strengthen seat crossbeam or battery package casing, all can lead to vehicle weight to increase, be unfavorable for realizing the lightweight of vehicle.
SUMMERY OF THE UTILITY MODEL
An object of the present disclosure is to provide a rocker beam and a vehicle to solve technical problems occurring in the related art.
In order to accomplish the above object, the present disclosure provides a threshold beam including a threshold beam main body, the threshold beam main body including:
a first energy absorbing and transmitting portion having a plurality of first energy absorbing and transmitting chambers aligned in a left-right direction of a vehicle, a projection of the first energy absorbing and transmitting portion in the left-right direction being arranged to at least partially overlap a projection of a seat cross member of the vehicle in the left-right direction so that the first energy absorbing and transmitting portion can transmit an impact force to the seat cross member in the left-right direction;
and the second energy-absorbing force-transmitting part is positioned below the first energy-absorbing force-transmitting part and is provided with a plurality of second energy-absorbing cavities arranged in the left-right direction, and the projection of the second energy-absorbing force-transmitting part in the left-right direction is at least partially overlapped with the projection of a battery pack shell of the vehicle in the left-right direction, so that the second energy-absorbing force-transmitting part can transmit collision force to the battery pack shell in the left-right direction.
Optionally, first energy-absorbing power transmission part orientation be close to the direction protrusion in of seat crossbeam the second energy-absorbing power transmission part, first energy-absorbing power transmission part protrusion in the bulge of second energy-absorbing power transmission part with constitute between the second energy-absorbing power transmission part and be used for holding the accommodation space of battery package shell, first energy-absorbing power transmission part is close to one side of seat crossbeam forms and is used for connecting the connection face of seat crossbeam, second energy-absorbing power transmission part be close to one side of battery package shell form with the first striking face of interval setting between the battery package shell, first striking face be used for when the second energy-absorbing power transmission part receives the power collapse striking the battery package shell.
Optionally, the sill beam body includes a first transverse rib, a second transverse rib, a third transverse rib, a first outer sidewall, a second outer sidewall, a first inner sidewall, a second inner sidewall, a first vertical rib, and a second vertical rib;
the first transverse ribs, the second transverse ribs and the third transverse ribs are sequentially arranged at intervals along the direction from top to bottom, the first outer side wall and the first inner side wall are arranged at intervals along the left-right direction and are formed between the first transverse ribs and the second transverse ribs, the first transverse ribs, the second transverse ribs, the first outer side wall and the first inner side wall jointly enclose a first cavity, and the first vertical ribs are located in the first cavity and divide the first cavity into a plurality of first energy absorption cavities;
the second outside wall with the second inside wall is followed left right direction interval sets up and forms the second violently muscle with between the third violently muscle, the second violently muscle the third violently muscle the second outside wall and the second inside wall encloses into the second cavity jointly, the second erects the muscle to be located in the second cavity and will the second cavity is separated for a plurality of the second energy-absorbing chamber.
Optionally, the thickness of first perpendicular muscle is greater than the second erects the thickness of muscle and the thickness of the horizontal muscle of third, the thickness of first inside wall is greater than the thickness of first perpendicular muscle, the thickness of first horizontal muscle with the thickness of the horizontal muscle of second all is greater than the thickness of first inside wall.
Optionally, a battery sealing plate is formed on the protruding part of the first energy-absorbing force-transmitting part protruding out of the second energy-absorbing force-transmitting part, and the battery sealing plate is used for being in sealing connection with the battery pack shell.
Optionally, the sill beam main body further comprises an a-pillar connecting portion located above the first energy absorption force transmission portion, the a-pillar connecting portion is used for being connected with an a-pillar of the vehicle, and the a-pillar connecting portion is provided with at least one third energy absorption cavity.
Optionally, the threshold beam main part still includes be located the energy-absorbing box of second energy-absorbing biography power portion below, the energy-absorbing box has at least one fourth energy-absorbing chamber, one side that the energy-absorbing box is close to the battery package shell form into with the second striking face that sets up at interval between the battery package shell, first striking face with the second striking face constitutes jointly and is used for striking the striking face of battery package shell.
Optionally, a projected area of the second impact surface in the left-right direction is larger than a projected area of the first impact surface in the left-right direction.
Optionally, the threshold roof beam still includes and is located threshold roof beam main part below battery protection structure, battery protection structure sets up as protrusion in the bottom of battery package shell down.
Optionally, the sill beam is made of extruded aluminum.
The utility model also provides a vehicle, including seat crossbeam, battery package shell and above-mentioned threshold roof beam, the seat crossbeam is located the inboard of the first energy-absorbing biography power portion of threshold roof beam and with the threshold roof beam is connected, the battery package shell is located the inboard of the second energy-absorbing biography power portion of threshold roof beam and with the threshold roof beam is connected.
Optionally, the threshold beam and the side frame of the battery pack shell are arranged at intervals to form a collision buffer cavity.
According to the technical scheme, when a vehicle is laterally collided, the first energy absorption and transmission parts are arrayed along the left and right direction of the vehicle, the first energy absorption and transmission cavities can be collapsed under the action of collision force and absorb a part of collision energy, and because the projection of the first energy absorption and transmission parts in the left and right direction is at least partially overlapped with the projection of a seat cross beam of the vehicle in the left and right direction, the first energy absorption and transmission parts can be enabled to be collapsed and absorb energy and then transmit the collision force to the seat cross beam, and the collision force can be further dispersed through the seat cross beam; and the plurality of second energy-absorbing cavities arranged along the left-right direction of the second energy-absorbing and force-transmitting part can also be collapsed and absorb a part of the impact energy under the action of the impact force, and because the projection of the second energy-absorbing and force-transmitting part along the left-right direction is at least partially overlapped with the projection of the battery pack shell of the vehicle in the left-right direction, the second energy-absorbing and force-transmitting part can be collapsed and absorb the energy and then transmit the impact force to the battery pack shell, and the impact force is further dispersed through the battery pack shell.
That is to say, the threshold roof beam that this disclosure provided can utilize earlier the collapse of first energy-absorbing power transmission portion and second energy-absorbing power transmission portion to absorb some collision energy, and then transmit the collision power dispersion after will weakening to on seat crossbeam and the battery package shell, compare with the mode of resisting the side impact force alone through seat crossbeam or battery package among the relevant art, the threshold roof beam that this disclosure provided can transmit the collision power dispersion to seat crossbeam and battery package shell for the collision power that seat crossbeam and battery package shell bore reduces for the collision power that each bears when carrying out the collision alone, thereby can reduce the intensity requirement to seat crossbeam and battery package shell, reduce the design to the additional strengthening or the reinforcement of seat crossbeam and battery package shell, thereby reduce the weight of seat crossbeam and battery package shell, and then reduce the weight of whole car, do benefit to the lightweight that realizes the vehicle.
And because the projection of the second energy-absorbing force-transmitting part along the left-right direction is at least partially overlapped with the projection of the battery pack shell of the vehicle along the left-right direction, the battery pack can be positioned on the inner side of the threshold beam, so that the threshold beam has a certain protection effect on the battery pack.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure, but do not constitute a limitation of the disclosure. In the drawings:
FIG. 1 is a schematic illustration of a connection of a rocker beam in a vehicle provided by an exemplary embodiment of the present disclosure;
fig. 2 is a schematic structural view of a threshold beam provided by an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-a sill beam body; 11-a first energy absorbing and force transmitting portion; 111-a first energy absorbing chamber; 12-a second energy-absorbing force-transmitting part; 121-a second energy-absorbing chamber; 13-a first transverse bar; 14-a second transverse bar; 15-third transverse bar; 16-a first outer side wall; 17-a second outer side wall; 18-a first inner side wall; 19-a second inner side wall; 20-a first vertical rib; 21-a second vertical rib; 22-cell sealing plate; 23-a column connection; 231-a third energy-absorbing chamber; 24-an energy absorption box; 241-a fourth energy-absorbing chamber; 25-a battery protection structure; 26-a third inner side wall; 27-a third outer side wall; 28-third vertical ribs; 29-a fourth inner side wall; 30-a bottom surface; 31-a fourth outer sidewall; 2-a seat cross beam; 3-battery pack case; 4-A column.
Detailed Description
The following detailed description of the embodiments of the disclosure refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise stated, the terms of orientation used such as "up, down, left, and right" are generally defined as "up, down, left, and right" in a normal running state of the vehicle, specifically, a direction toward the ceiling of the vehicle is up, a direction toward the chassis of the vehicle is down, a direction toward the left wheel of the vehicle is left, and a direction toward the right wheel of the vehicle is right, and "inside and outside" are defined as "inside and outside" in a normal running state of the vehicle, the direction toward the inside of the vehicle is inside, and the direction toward the outside of the vehicle is outside. In addition, it should be noted that terms such as "first", "second", and the like are used for distinguishing one element from another, and have no order or importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.
In the description of the present disclosure, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, indirectly connected through an intermediate medium, or communicated between two elements. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1 and 2, according to a first aspect of the present disclosure, there is provided a rocker beam including a rocker beam main body 1, the rocker beam main body 1 includes a first energy-absorbing force-transmitting portion 11 and a second energy-absorbing force-transmitting portion 12, the first energy-absorbing force-transmitting portion 11 has a plurality of first energy-absorbing cavities 111 arranged in a left-right direction of a vehicle, a projection of the first energy-absorbing force-transmitting portion 11 in the left-right direction is set to at least partially overlap a projection of a seat cross member 2 of the vehicle in the left-right direction, so that the first energy-absorbing force-transmitting portion 11 can transmit an impact force to the seat cross member 2 in the left-right direction, the second energy-absorbing force-transmitting portion 12 is located below the first energy-absorbing force-transmitting portion 11 and has a plurality of second energy-absorbing cavities 121 arranged in the left-right direction, a projection of the second energy-absorbing force-transmitting portion 12 in the left-right direction is set to at least partially overlap a projection of a battery pack case 3 of the vehicle in the left-right direction, so that the second force-absorbing force-transmitting portion 12 can transmit an impact force to the battery pack case 3 in the left-right direction.
According to the technical scheme, when a vehicle is subjected to side collision, the plurality of first energy absorption cavities 111 of the first energy absorption and transmission parts 11 arranged along the left and right directions of the vehicle can be collapsed and absorb a part of collision energy under the action of collision force, and because the projection of the first energy absorption and transmission parts 11 in the left and right directions is at least partially overlapped with the projection of the seat cross beam 2 of the vehicle in the left and right directions, the first energy absorption and transmission parts 11 can be enabled to collapse and absorb energy, then transmit the collision force to the seat cross beam 2, and further disperse the collision force through the seat cross beam 2; in addition, the plurality of second energy-absorbing cavities 121 in which the second energy-absorbing and force-transmitting portions 12 are arranged in the left-right direction can also be collapsed by the impact force and absorb a part of the impact energy, and since the projection of the second energy-absorbing and force-transmitting portions 12 in the left-right direction is at least partially overlapped with the projection of the battery pack case 3 of the vehicle in the left-right direction, the second energy-absorbing and force-transmitting portions 12 are collapsed and absorb the impact force to the battery pack case 3, and the impact force is further dispersed by the battery pack case 3.
That is to say, the threshold beam provided by the present disclosure can firstly utilize the crumple of the first energy absorption cavity 111 and the second energy absorption cavity 121 to absorb part of the collision energy, and then disperse and transmit the weakened collision force to the seat cross beam 2 and the battery pack housing 3, compared with the mode of singly resisting the side collision force through the seat cross beam or the battery pack in the related art, the threshold beam provided by the present disclosure can disperse and transmit the collision force to the seat cross beam 2 and the battery pack housing 3, so that the collision force borne by the seat cross beam 2 and the battery pack housing 3 is reduced relative to the collision force borne by the respective independent collision, thereby the strength requirements on the seat cross beam 2 and the battery pack housing 3 can be reduced, the design of the reinforcing structures or the reinforcing members for the seat cross beam 2 and the battery pack housing 3 is reduced, thereby the weight of the seat cross beam 2 and the battery pack housing 3 is reduced, and the weight of the whole vehicle is favorably realized.
In addition, since the projection of the second energy-absorbing force-transmitting part 12 in the left-right direction is at least partially overlapped with the projection of the battery pack shell 3 of the vehicle in the left-right direction, the battery pack can be positioned on the inner side of the threshold beam, so that the threshold beam has a certain protection effect on the battery pack.
Optionally, the first energy-absorbing and force-transmitting portion 11 protrudes out of the second energy-absorbing and force-transmitting portion 12 toward a direction close to the seat cross beam 2, an accommodating space for accommodating the battery pack case 3 is formed between a protruding portion of the first energy-absorbing and force-transmitting portion 11 protruding out of the second energy-absorbing and force-transmitting portion 12 and the second energy-absorbing and force-transmitting portion 12, one side of the first energy-absorbing and force-transmitting portion 11 close to the seat cross beam 2 is formed as a connecting surface for connecting the seat cross beam 2, one side of the second energy-absorbing and force-transmitting portion 12 close to the battery pack case 3 is formed as a first impact surface arranged at an interval with the battery pack case 3, and the first impact surface is used for impacting the battery pack case 3 when the second energy-absorbing and force-transmitting portion 12 is collapsed.
In the above-mentioned threshold roof beam that this disclosure provided, because first energy-absorbing power transmission part 11 protrusion in second energy-absorbing power transmission part 12, and the bulge is connected with seat crossbeam 2, second energy-absorbing power transmission part 12 is close to and sets up at interval between one side of battery package shell 3 and the battery package shell 3, make the vehicle when suffering the side impact, first energy-absorbing power transmission part 11 can transmit most impact power to seat crossbeam 2 earlier, then second energy-absorbing power transmission part 12 transmits the part impact power to battery package shell 3, with the impact power dispersion transmission, the collision performance requirement of vehicle has both been satisfied, can make the deformation volume of electric core control in predetermineeing the within range again.
In the rocker beam provided by the present disclosure described above, the accommodation space allows the battery pack case 3 to be located inside the rocker beam. Among the correlation technique, the seat crossbeam is generally only connected to the threshold roof beam inboard, the vehicle is when taking place the side blow, if the tie point of the skew seat crossbeam of collision point and threshold roof beam, can make the collision point of threshold roof beam appear great deformation, can't guarantee the integrality of automobile body, and in the above-mentioned threshold roof beam that this disclosure provided, seat crossbeam 2 and battery package shell 3 all are located the inboard of threshold roof beam, the vehicle is when taking place the side blow, seat crossbeam 2 and battery package shell 3 homoenergetic support the threshold roof beam, can avoid the threshold roof beam to appear great deformation, the integrality of automobile body has been guaranteed.
Optionally, the rocker beam body 1 comprises a first transverse rib 13, a second transverse rib 14, a third transverse rib 15, a first outer side wall 16, a second outer side wall 17, a first inner side wall 18, a second inner side wall 19, a first vertical rib 20 and a second vertical rib 21.
Wherein, first horizontal muscle 13, the horizontal muscle 14 of second and the horizontal muscle 15 of third set up along the direction from top to bottom interval in proper order, first lateral wall 16 and first inside wall 18 set up and form between the horizontal muscle 13 of first horizontal muscle 13 and second 14 along left right direction interval, first horizontal muscle 13, the horizontal muscle 14 of second, first lateral wall 16, and first inside wall 18 enclose into first cavity jointly, first perpendicular muscle 20 is located first cavity and separates first cavity for a plurality of first energy-absorbing chambeies 111.
Second outside wall 17 and second inside wall 19 set up and form between horizontal muscle 14 of second and the horizontal muscle 15 of third along left right direction interval, and horizontal muscle 14 of second, the horizontal muscle 15 of third, second outside wall 17 and second inside wall 19 enclose into the second cavity jointly, and the second erects muscle 21 and is located the second cavity and separates the second cavity for a plurality of second energy-absorbing chambeies 121.
In above-mentioned threshold roof beam main part 1, the first cavity that first horizontal muscle 13, second horizontal muscle 14, first lateral wall 16 and first inside wall 18 enclose jointly is first can inhale power portion 11 to first horizontal muscle 13 and second horizontal muscle 14 are the main biography power route when bumping for with the impact transmission to seat crossbeam 2, and first perpendicular muscle 20 is used for strengthening of first cavity, so that first can inhale power portion 11 and can satisfy the demand of intensity and rigidity. A second cavity enclosed by the second transverse rib 14, the third transverse rib 15, the second outer side wall 17 and the second inner side wall 19 is a second energy-absorbing force-transmitting part 12, and a second vertical rib 21 is used for reinforcing the second cavity, so that the second energy-absorbing force-transmitting part 12 can meet the requirements of strength and rigidity.
Optionally, the number of the first vertical ribs 20 is plural, and the disclosure does not limit this. As an exemplary embodiment of the present disclosure, the number of the first vertical ribs 20 is two, and two first vertical ribs 20 are arranged in the first cavity at intervals in parallel to divide the first cavity into three first energy-absorbing cavities 111.
Alternatively, the number of the second vertical ribs 21 may be one or more, which is not limited by the present disclosure. As an exemplary embodiment of the present disclosure, the number of the second vertical ribs 21 is one, and the second vertical ribs 21 divide the second cavity into two second energy absorption cavities 121.
Optionally, the thickness of the first vertical rib 20 is greater than the thickness of the second vertical rib 21 and the thickness of the third horizontal rib 15, the thickness of the first inner side wall 18 is greater than the thickness of the first vertical rib 20, and the thickness of the first horizontal rib 13 and the thickness of the second horizontal rib 14 are both greater than the thickness of the first inner side wall 18.
In the above-mentioned threshold roof beam that this disclosure provided, because first energy-absorbing biography power portion 11 is main energy-absorbing biography power structure, second energy-absorbing biography power portion 12 is supplementary energy-absorbing biography power structure, the demand of intensity and rigidity that first energy-absorbing biography power portion 11 needs to satisfy will be greater than the demand of intensity and rigidity that second energy-absorbing biography power portion 12 needs to satisfy, and for the ease of the second energy-absorbing biography power portion 12 is crumpled and contracts, need be to the horizontal muscle 15 of second vertical rib 21 and third and carry out the weakening treatment, consequently, the thickness of first vertical rib 20 needs to be greater than the thickness of second vertical rib 21 and the thickness of the horizontal muscle 15 of third. The first inner side wall 18 is a connection surface of the first energy absorbing and transmitting portion 11 and the seat cross member 2, and in order to reduce the possibility of cracking at the connection position of the first inner side wall 18 and the seat cross member 2 as much as possible, the thickness of the first inner side wall 18 needs to be larger than that of the first vertical rib 20. And the first horizontal muscle 13 and the horizontal muscle 14 of second are as the main biography power route when bumping by the vehicle side, need satisfy the demand of bigger intensity and rigidity, consequently, the thickness of the horizontal muscle of first 13 and the thickness of the horizontal muscle 14 of second all need be greater than the thickness of first inside wall 18.
Optionally, there are various thickness relationships between the first transverse rib 13 and the second transverse rib 14, which are not limited by the present disclosure. As an exemplary embodiment of the present disclosure, the thickness of the first transverse rib 13 and the thickness of the second transverse rib 14 are the same.
Optionally, the present disclosure does not limit the specific thickness of the first transverse rib 13, the second transverse rib 14, the third transverse rib 15, the first outer side wall 16, the second outer side wall 17, the first inner side wall 18, the second inner side wall 19, the first vertical rib 20, and the second vertical rib 21, as an exemplary embodiment of the present disclosure, the thickness of the first transverse rib 13 and the second transverse rib 14 is 4mm, the thickness of the first inner side wall 18 is 3mm, the thickness of the first outer side wall 16, the second outer side wall 17, the second inner side wall 19, and the first vertical rib 20 is 2mm, and the thickness of the third transverse rib 15 and the thickness of the second vertical rib 21 is 1.8mm.
Optionally, in an embodiment of the present disclosure, a portion of the second outer sidewall 17 near the third transverse rib 15 is subjected to a thickening process, and the thickened portion is used for being connected with the a-pillar inner panel to reduce the possibility of cracking at the joint of the rocker beam and the a-pillar inner panel as much as possible, wherein the thickness of the thickened portion is the same as that of the first inner sidewall 18.
Optionally, a battery sealing plate 22 is formed on the protruding part of the first energy absorbing and force transferring part 11 protruding from the second energy absorbing and force transferring part 12, and the battery sealing plate 22 is used for being hermetically connected with the battery pack case 3.
In order to ensure the sealing performance between the threshold beam and the battery pack shell 3, the lower surface of the convex part of the first energy-absorbing force-transmitting part 11, which protrudes out of the second energy-absorbing force-transmitting part 12, extends towards the direction of the battery pack shell 3 to form a battery sealing plate 22, wherein the lower surface of the convex part of the second energy-absorbing force-transmitting part 12 is flush with the battery sealing plate 22, one part of the battery pack shell 3 is positioned in an accommodating space formed between the convex part of the first energy-absorbing force-transmitting part 11, which protrudes out of the second energy-absorbing force-transmitting part 12, and the top of the battery pack shell 3 is positioned below the battery sealing plate 22 and is in sealing connection with the battery sealing plate 22.
Optionally, the sill body 1 further comprises an a-pillar connection 23 above the first energy transferring part 11, the a-pillar connection being intended to be connected to an a-pillar 4 of a vehicle, and the a-pillar connection 23 having at least one third energy absorbing chamber 231.
In the above-mentioned threshold roof beam main part 1 that this disclosure provided, A post connecting portion 23 includes third inside wall 26, third lateral wall 27 and third and erects muscle 28, and third inside wall 26 and third lateral wall 27 are the contained angle setting, and third inside wall 26 can contact with A post inner panel, and third lateral wall 27 can contact with A post planking, and first horizontal muscle 13, third inside wall 26 and third lateral wall 27 enclose into the third cavity jointly, and third erects muscle 28 to be located in the third cavity and cut apart into a plurality of third energy-absorbing cavities 231 with the third cavity.
When the vehicle is subjected to a side impact, the plurality of third energy-absorbing chambers 231 aligned in the left-right direction of the vehicle can collapse and absorb a part of the impact energy by the impact force, and the third inner side wall 26 can contact the a-pillar inner panel, so that the a-pillar connecting portion 23 can disperse and transmit the impact force to the a-pillar 4 by the impact force.
Optionally, the number of the third vertical ribs 28 is one or more, which is not limited by the present disclosure. As an exemplary embodiment of the present disclosure, the number of the third vertical ribs 28 is one, and the third vertical ribs 28 divide the third cavity into two third energy-absorbing cavities 231.
Optionally, the sill beam main body 1 further includes an energy absorption box 24 located below the second energy absorption force transmission portion 12, the energy absorption box 24 has at least one fourth energy absorption cavity 241, one side of the energy absorption box 24 close to the battery pack case 3 is formed into a second impact surface arranged at an interval with the battery pack case 3, the first impact surface and the second impact surface jointly form an impact surface for impacting the battery pack case 3, and the impact surface can impact the battery pack case 3 when the second energy absorption force transmission portion 12 and the energy absorption box 24 are stressed and collapsed. In the sill beam body 1 provided by the present disclosure, the crash box 24 includes a fourth inner sidewall 29, a bottom surface 30 and a fourth outer sidewall 31, the fourth inner sidewall 29, the bottom surface 30, the fourth outer sidewall 31 and the third transverse rib 15 jointly enclose a fourth cavity, and the fourth cavity forms a fourth energy absorption cavity 241 or is internally divided into a plurality of fourth energy absorption cavities 241. The fourth energy-absorbing chamber 241 is capable of collapsing and absorbing a portion of the crash energy under the impact forces of a side impact to the vehicle.
Optionally, the number of the fourth energy absorption cavity 241 is one or more, which is not limited by the present disclosure. As an exemplary embodiment of the present disclosure, the number of the fourth energy absorption cavities 241 is one, and the fourth cavity is the fourth energy absorption cavity 241.
In an exemplary embodiment of the present disclosure, the first impact surface is a second inner sidewall 19 and the second impact surface is a fourth inner sidewall 29.
Optionally, a projected area of the second impact surface in the left-right direction is larger than a projected area of the first impact surface in the left-right direction.
In the above-mentioned threshold roof beam that this disclosure provided, because the projected area of second striking face on left and right sides direction is greater than the projected area of first striking face on left and right sides direction, fourth energy-absorbing chamber 241 is greater than second energy-absorbing chamber 121 promptly to make the energy-absorbing effect of collapsing of fourth energy-absorbing chamber 241 be stronger than the energy-absorbing effect of collapsing of second energy-absorbing chamber 121, fourth energy-absorbing chamber 241 can absorb more energy through collapsing, in order to reduce the impact that transmits to seat crossbeam 2, battery package shell 3 and A post.
Optionally, the threshold beam further comprises a battery protection structure 5 located below the threshold beam body 1, the battery protection structure 5 being arranged to protrude downwards from the bottom of the battery pack housing 3.
In the above-mentioned threshold roof beam that this disclosure provided, be formed with battery protection structure 5 on the lower surface of bottom surface 30, battery protection structure 5 protrusion in battery package shell 3's bottom down, at the vehicle on threshold etc. in-process of jolting from top to bottom, battery protection structure 5 can bear impact force from top to bottom in advance battery package shell 3 to reduce the impact to battery package shell 3, protect battery package shell 3.
In one embodiment of the present disclosure, a fifth cavity is formed inside the battery protection structure 5 to satisfy the requirement of light weight.
Optionally, the sill beam is made of extruded aluminum.
The doorsill beam is an aluminum beam which is integrally formed through an extrusion process and has a nine-grid structure, on one hand, the aluminum beam is light in weight and can be beneficial to realizing the light weight of a vehicle, and on the other hand, when the vehicle is subjected to side collision, the aluminum beam is easier to collapse and absorb collision energy.
As shown in fig. 1, a second aspect of the present disclosure provides a vehicle including a seat cross member 2, a battery pack case 3, and the rocker beam described above, the seat cross member 2 being located inside a first energy-absorbing force-transmitting portion 11 of the rocker beam and connected to the rocker beam, and the battery pack case 3 being located inside a second energy-absorbing force-transmitting portion 12 of the rocker beam and connected to the rocker beam.
Optionally, the threshold beam is spaced apart from the side frame of the battery pack case 3 and forms a crash cushion chamber.
In an exemplary embodiment of the disclosure, the seat cross beam 2 is located inside the first energy absorption and transmission part 11 of the threshold beam and connected with the first energy absorption and transmission part 11, the battery pack housing 3 is located inside the second energy absorption and transmission part 12 of the threshold beam and connected with the second transverse rib 14 on the protruding part of the first energy absorption and transmission part 11, the bottom of the threshold beam and the bottom of the battery pack housing 3 are connected through the reinforcing bracket, the impact surface of the threshold beam main body 1 and the side frame of the battery pack housing 3 are arranged at intervals, and the second transverse rib 14 and the connecting part of the battery pack housing 3, the impact surface of the threshold beam main body 1, the reinforcing bracket and the side frame of the battery pack housing 3 jointly enclose a frame structure with a sixth cavity formed inside.
Above-mentioned frame construction is collision cushion chamber promptly, and when the threshold roof beam suffered the collision, collision cushion chamber can not only cushion the collision, can also crumple and absorb partly collision energy under the impact effect to weaken collision energy, protect the battery in the battery package shell 3 with reducing the impact that transmits to on the battery package shell 3. The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (12)
1. A threshold beam, comprising a threshold beam body, said threshold beam body comprising:
a first absorbing force transmitting portion having a plurality of first absorbing chambers arrayed in a left-right direction of a vehicle, a projection of the first absorbing force transmitting portion in the left-right direction being provided so as to at least partially overlap a projection of a seat cross member of the vehicle in the left-right direction, so that the first absorbing force transmitting portion can transmit an impact force to the seat cross member in the left-right direction;
the second energy-absorbing power transmission part is located below the first energy-absorbing power transmission part and is provided with a plurality of second energy-absorbing cavities arranged in the left-right direction, and the projection of the second energy-absorbing power transmission part in the left-right direction is arranged to be at least partially overlapped with the projection of the battery pack shell of the vehicle in the left-right direction, so that the second energy-absorbing power transmission part can transmit collision force to the battery pack shell in the left-right direction.
2. The threshold beam of claim 1, wherein the first energy-absorbing force-transmitting portion protrudes from the second energy-absorbing force-transmitting portion toward a direction close to the seat beam, the first energy-absorbing force-transmitting portion protrudes from a protruding portion of the second energy-absorbing force-transmitting portion, and a receiving space for receiving the battery pack case is formed between the second energy-absorbing force-transmitting portion and the protruding portion, one side of the first energy-absorbing force-transmitting portion close to the seat beam is formed as a connecting surface for connecting the seat beam, one side of the second energy-absorbing force-transmitting portion close to the battery pack case is formed as a first impact surface spaced from the battery pack case, and the first impact surface is used for impacting the battery pack case when the second energy-absorbing force-transmitting portion is stressed and collapsed.
3. The rocker beam of claim 1 or 2, wherein the rocker beam body comprises a first cross bar, a second cross bar, a third cross bar, a first outer side wall, a second outer side wall, a first inner side wall, a second inner side wall, a first vertical bar, and a second vertical bar;
the first transverse ribs, the second transverse ribs and the third transverse ribs are sequentially arranged at intervals along the direction from top to bottom, the first outer side wall and the first inner side wall are arranged at intervals along the left-right direction and are formed between the first transverse ribs and the second transverse ribs, the first transverse ribs, the second transverse ribs, the first outer side wall and the first inner side wall jointly enclose a first cavity, and the first vertical ribs are located in the first cavity and divide the first cavity into a plurality of first energy absorption cavities;
the second outside wall with the second inside wall is followed left right direction interval sets up and forms the horizontal muscle of second with between the horizontal muscle of third, the horizontal muscle of second the horizontal muscle of third the second outside wall and the second inside wall encloses into the second cavity jointly, the second erects the muscle and is located in the second cavity and will the second cavity is separated for a plurality ofly the second energy-absorbing chamber.
4. The doorsill beam of claim 3, wherein the thickness of the first vertical rib is greater than the thickness of the second vertical rib and the thickness of the third transverse rib, the thickness of the first inner side wall is greater than the thickness of the first vertical rib, and the thickness of the first transverse rib and the thickness of the second transverse rib are both greater than the thickness of the first inner side wall.
5. The threshold beam of claim 3, wherein a battery sealing plate is formed on the protruding portion of the first force-absorbing and force-transmitting portion protruding from the protruding portion of the second force-absorbing and force-transmitting portion, and the battery sealing plate is adapted to be sealingly connected to the battery pack housing.
6. Threshold beam according to claim 1 or 2, characterized in that the threshold beam body further comprises an a-pillar connection above the first energy-absorbing force-transmitting part, which a-pillar connection is intended to be connected to an a-pillar of the vehicle, and which a-pillar connection has at least one third energy-absorbing chamber.
7. The rocker beam of claim 2, wherein the rocker beam body further comprises a crash box located below the second energy-absorbing force-transmitting portion, the crash box is provided with at least one fourth energy-absorbing cavity, one side of the crash box, which is close to the battery pack case, is formed into a second impact surface spaced from the battery pack case, and the first impact surface and the second impact surface together form an impact surface for impacting the battery pack case.
8. The rocker beam of claim 7, wherein a projected area of the second impact surface in the left-right direction is larger than a projected area of the first impact surface in the left-right direction.
9. The rocker beam of claim 1 or 2, further comprising a battery protection structure located below the rocker beam body, the battery protection structure configured to protrude downward from the bottom of the battery pack housing.
10. Threshold sill according to claim 1 or 2, characterized in that the threshold sill is made of extruded aluminium.
11. A vehicle comprising a seat cross member, a battery pack housing, and the rocker beam of any of claims 1-10, the seat cross member being positioned inboard of a first energy-absorbing force-transmitting portion of the rocker beam and connected to the rocker beam, and the battery pack housing being positioned inboard of a second energy-absorbing force-transmitting portion of the rocker beam and connected to the rocker beam.
12. The vehicle of claim 11, wherein the rocker beam is spaced from a side frame of the battery pack housing and forms a crash cushion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221233968.5U CN218505965U (en) | 2022-05-19 | 2022-05-19 | Threshold roof beam and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221233968.5U CN218505965U (en) | 2022-05-19 | 2022-05-19 | Threshold roof beam and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN218505965U true CN218505965U (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221233968.5U Active CN218505965U (en) | 2022-05-19 | 2022-05-19 | Threshold roof beam and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN218505965U (en) |
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2022
- 2022-05-19 CN CN202221233968.5U patent/CN218505965U/en active Active
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