CN111619409A - Vehicle seat crossbeam and vehicle - Google Patents
Vehicle seat crossbeam and vehicle Download PDFInfo
- Publication number
- CN111619409A CN111619409A CN202010477608.9A CN202010477608A CN111619409A CN 111619409 A CN111619409 A CN 111619409A CN 202010477608 A CN202010477608 A CN 202010477608A CN 111619409 A CN111619409 A CN 111619409A
- Authority
- CN
- China
- Prior art keywords
- vehicle seat
- top wall
- side wall
- wall
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
- B60N2/015—Attaching seats directly to vehicle chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
- B60N2/015—Attaching seats directly to vehicle chassis
- B60N2/01508—Attaching seats directly to vehicle chassis using quick release attachments
- B60N2/01516—Attaching seats directly to vehicle chassis using quick release attachments with locking mechanisms
- B60N2/01583—Attaching seats directly to vehicle chassis using quick release attachments with locking mechanisms locking on transversal elements on the vehicle floor or rail, e.g. transversal rods
Abstract
The application discloses vehicle seat crossbeam and vehicle belongs to vehicle seat technical field. The vehicle seat beam comprises a beam shell and an inner filling reinforcing structure, wherein the beam shell comprises a first side wall, a first upper top wall, a first supporting wall, a lower top wall, a second supporting wall, a second upper top wall and a second side wall which are sequentially connected; the beam shell is also provided with a long groove which is opened downwards, and the long groove comprises a first inner groove and a second inner groove which are opened downwards; the inner filling reinforced structure comprises a steel pipe and two supporting table bodies; the steel pipe extends along the length direction of the beam shell and is filled with a foamed aluminum structure, the two supporting table bodies are respectively positioned at two end parts of the beam shell in the length direction, and the two supporting table bodies are made of foamed aluminum. The problem that ordinary vehicle seat crossbeam resistance to compression and crashproof intensity are low has been solved to this application, and this application is used for vehicle seat crossbeam and vehicle.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a vehicle seat crossbeam and a vehicle.
Background
With the rapid development of the vehicle manufacturing industry and the improvement of the requirements of people on the quality of life, the vehicle seat is required to have higher comfort and more important higher safety; the seat is required to not only bear a human body, but also play a role in protecting passengers in the driving process of a vehicle, and minimize the injury of the passengers in the traffic accident. While the seat cross member, which is one of the core parts of the vehicle seat, makes the seat more comfortable and safe if it has higher bending strength and shock absorbing performance.
With the continuous improvement of collision regulations, China expects that the detection of the collision condition of the side pillar required by the vehicle starts from 2021, and the collision position of the collision condition of the side pillar is mostly between the front cross beam and the rear cross beam of the front seat of the vehicle, so that the requirement of the collision condition of the side pillar on the cross beam of the vehicle seat is essentially improved, and the middle part of the cross beam of the vehicle seat cannot be bent.
In the related art, a seat cross beam of a vehicle generally adopts a cavity structure, so that the bearable downward pressure range is small, the bending strength of the seat cross beam cannot meet the requirement of a side pillar collision working condition on the seat cross beam, and when the downward pressure borne by the vehicle seat is too large or the collision force borne by the vehicle seat in the side pillar collision working condition is too large, the vehicle seat cross beam can be deformed and damaged, and parts connected with the vehicle seat cross beam can be influenced, so that the parts are damaged or deformed. Damage or deformation of the base cross member and the components connected thereto may affect the fore-aft adjustment of the seat, and they may also be susceptible to abnormal noise after deformation. In worse cases, a safety accident may even occur to injure the occupant.
In order to meet the requirement of the collision working condition of the side column, a high-strength plate is attached to the inside of the vehicle seat beam in the related technology, so that the weight of the vehicle seat beam is increased, and the requirement on the Z-direction section of the vehicle seat beam is met.
Therefore, the compression strength and the collision resistance strength of the seat cross beam of the vehicle adopting a cavity structure in the related art are not large enough, deformation and damage are easy to occur, the safety of passengers cannot be effectively guaranteed, the whole weight of the seat cross beam can be increased by attaching the high-strength plate inside the seat cross beam in the related art, and the requirement is met on the Z-direction section of the vehicle seat cross beam.
Disclosure of Invention
In view of this, the present application provides a vehicle seat cross member to improve the compressive and impact strength of the seat bottom cross member. The technical scheme of the application is as follows:
in a first aspect, embodiments of the present application provide a vehicle seat cross member, which includes: the beam shell and the inner filling reinforcing structure;
the beam shell comprises a first side wall, a first upper top wall, a first supporting wall, a lower top wall, a second supporting wall, a second upper top wall and a second side wall which are sequentially connected;
the cross beam housing has a long groove extending in a length direction and opening downward formed between the first side wall and the second side wall, the lower top wall has a height lower than that of the first side wall and the second side wall, and the long groove includes a first inner groove opening downward formed between the first side wall, the first upper top wall, and the first support wall, and a second inner groove opening downward formed between the second side wall, the second upper top wall, and the second support wall;
the inner filling reinforcing structure is filled in the long groove and is abutted to the beam shell, and the inner filling reinforcing structure comprises a foamed aluminum material.
Optionally, the inner filling reinforcement structure further includes a steel pipe extending along a length direction of the beam housing, and the steel pipe is filled with an aluminum foam material.
Optionally, two side outer walls of the steel pipe are respectively abutted to the first side wall and the second side wall, and the top wall of the steel pipe is abutted to the lower top wall.
Optionally, the inner filling reinforcement structure further includes an inner tube, the inner tube is located in the steel tube, the extending directions of the inner tube and the steel tube are the same, and foamed aluminum materials are filled in the inner tube and between the inner tube and the steel tube.
Optionally, the inner filling reinforcing structure further includes two supporting table bodies made of foamed aluminum, and the two supporting table bodies are respectively located at two end portions of the cross beam shell in the length direction;
the steel pipe is supported on the two supporting table bodies.
Optionally, a recessed portion penetrating in the length direction of the cross beam housing and two protruding portions located on two sides of the recessed portion are formed in the middle of the upper side of each support table body, the end portion of the steel pipe enters the recessed portion, the upper portion of the steel pipe abuts against the lower top wall, and the two protruding portions enter the first inner groove and the second inner groove respectively.
Optionally, the steel pipes further include two third steel pipes, the two third steel pipes enter the first inner groove and the second inner groove respectively, and upper pipe walls of the two third steel pipes are abutted to the first upper top wall and the second upper top wall respectively;
the upper surfaces of the two supporting table bodies are abutted against the lower top wall.
Optionally, the lower top wall is provided with a plurality of projection welding nut mounting holes, and the ends of the first side wall and the second side wall in the length direction are provided with flanges extending to two sides.
In a second aspect, embodiments of the present application provide a vehicle seat that includes the vehicle seat cross member of the first aspect or any one of the first aspects.
In a third aspect, embodiments of the present application provide a vehicle that includes the vehicle seat of the second aspect, wherein the vehicle seat cross member includes a metal connecting piece that extends from a bottom portion of the first and second side walls, and a reinforcement beam is provided on a vehicle floor of the vehicle, and the metal connecting piece is connected to the reinforcement beam.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
the vehicle seat crossbeam that this application embodiment provided is provided with the intussuseption additional strengthening in the crossbeam casing of seat crossbeam, and the intussuseption additional strengthening includes foamed aluminum material, intussuseption additional strengthening and crossbeam casing looks butt. The foamed aluminum material has high rigidity ratio while having low mass density, so that the compressive strength of a vehicle seat cross beam is high, the excellent shock absorption performance can play a role of effectively protecting passengers and can reduce the injury of the passengers to the minimum when an accident occurs, the excellent sound insulation performance can consume the sound generated when the passengers sit down, and the foamed aluminum material also has the advantages of low cost and high fitting degree with a bottom plate and a seat sill beam.
For the inside vehicle seat crossbeam that is the cavity structure of crossbeam casing, the vehicle seat crossbeam that this application embodiment provided can bear bigger holding down force, also can bear the impact when the side column bumps the operating mode, can effectively prevent the condition such as deformation and damage of vehicle seat crossbeam.
For the scheme of laminating high strength board in vehicle seat crossbeam, the vehicle seat crossbeam that this application embodiment provided can alleviate vehicle seat crossbeam's weight, and does not have the requirement to vehicle seat crossbeam's Z to the cross-section.
In summary, under the condition of increasing smaller weight and lower cost, the vehicle seat cross beam provided by the embodiment of the application can meet the requirements of side column collision working conditions and brings better comfort and safety for the vehicle.
And this application embodiment provides the interior filling additional strengthening of multiform, can carry out different settings to the demand of the seat compressive capacity of different motorcycle types, covers the demand of different vehicle seat compressive capacities, makes the user's selectivity more.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a cross member of a vehicle seat mounted on a floor of a vehicle and a structural relationship therebetween according to an embodiment of the present disclosure;
FIG. 2 is a schematic overall structural view of a first vehicle seat cross member provided in an embodiment of the present application;
FIG. 3 is a front view of the first vehicle seat rail of FIG. 2 with the reinforcement beam removed;
fig. 4 is a schematic structural diagram of a first inner filling reinforcement structure according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of an overall structure of a second vehicle seat cross member provided in the embodiment of the present application;
FIG. 6 is a front view of the second vehicle seat rail of FIG. 5 with the reinforcement beam removed;
fig. 7 is a schematic structural view of a second inner filling reinforcement structure provided in this embodiment of the present application;
FIG. 8 is a schematic view of the overall structure of a third vehicle seat cross member provided in the embodiment of the present application;
FIG. 9 is a front elevational view of the third vehicle seat rail of the embodiment of the present application illustrated in FIG. 8 with the reinforcement beam removed;
fig. 10 is a schematic structural view of a third internal filling reinforcement structure provided in an embodiment of the present application;
FIG. 11 is a schematic view of the overall structure of a fourth cross member of a vehicle seat provided in the embodiment of the present application;
FIG. 12 is a front elevational view of a fourth cross member of the vehicle seat illustrated in FIG. 11 with the reinforcement beam removed;
fig. 13 is a schematic structural diagram of a fourth internal filling reinforcement structure provided in this application;
FIG. 14 is a schematic structural view of a fourth vehicle seat rail constructed in accordance with an exemplary embodiment of the present disclosure for performing a three-point compression bending test;
FIG. 15 is a schematic view of a conventional cross member after a three-point bending test;
fig. 16 is a line diagram showing a state in which a fourth vehicle seat cross member and a conventional cross member provided in the embodiment of the present application are subjected to a three-point pressure bending test.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the structure of the application.
In the drawings, the components represented by the respective reference numerals are listed below:
1-vehicle seat cross member, 2-vehicle floor, 3-vehicle rocker beam, 4-center beam, 11-cross member shell, 12-inner filled reinforcement structure, 13-turnup, 14-metal connecting piece, 21-reinforcement beam, 111-first side wall, 112-first upper top wall, 113-first support wall, 114-lower top wall, 115-second support wall, 116-second upper top wall, 117-second side wall, 118-elongated groove, 119-first inner groove, 120-second inner groove, 121-steel tube, 122-inner tube, 123-support table body, 1211-second steel tube, 1141-projection nut mounting hole, 1231-recess, 1232-projection, a-average bending force bearing condition of the vehicle seat cross member in the fourth embodiment, b-the real-time bending bearing force condition of the vehicle seat beam in the fourth embodiment, c-the optimized target bending bearing force line, d-the average bending bearing force condition of the common seat beam, and e-the real-time bending bearing force condition of the common seat beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
With the high-speed development of the vehicle industry and the improvement of the requirements of people on the life quality, the requirements of people on vehicle seats are higher and higher, the seats are required to have better comfort degree, the safety of passengers can be guaranteed to the maximum extent, and the improvement of the compression strength and the collision resistance strength of the vehicle seat beam is more and more important. The vehicle seat crossbeam among the correlation technique adopts the cavity structure usually, therefore the lower pressure scope that can bear is less, easily takes place the deformation after the pressurized to can't satisfy the requirement of the vehicle seat crossbeam flexural force in the side bumps the operating mode, also can't effectively ensure passenger's safety after the striking, for satisfying the requirement that the operating mode was bumped to the side column, be in the correlation technique at the inside high strength board of laminating of vehicle seat crossbeam, not only increase the weight of vehicle seat crossbeam, still have the requirement to the Z of vehicle seat crossbeam to the cross-section.
The utility model provides a vehicle seat crossbeam, its purport lies in adopting the interior filling additional strengthening that includes foamed aluminum material, arranges the crossbeam casing in to improve vehicle seat crossbeam's compressive capacity and the ability of bearing a bend, and can not increase substantially quality and cost.
In the description of the present application, it is to be understood that the terms "inner", "upward", "downward", "upper", "end", "both sides", "upper", and the like, indicate an orientation or positional relationship, merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
Referring to fig. 1, a right side of fig. 1 shows a schematic view of a position and a structural relationship of a vehicle seat cross member on a vehicle floor provided by the present application. As can be seen from the right side of fig. 1, the vehicle seat cross member 1 is disposed on the upper surface of the vehicle floor 2, and the middle portion thereof penetrates through the middle beam 4 located on the upper portion of the vehicle floor 2, and both sides thereof are respectively fixedly mounted on the side portions of the vehicle sill beam 2 through the flanges 13.
The left side of fig. 1 shows a partially enlarged structural schematic view of the vehicle seat cross member 1. As can be seen from the left side of fig. 1, the vehicle seat cross member 1 includes a cross member housing 11 and an inner filling reinforcement structure 12.
As shown in fig. 2, the cross beam housing 11 includes a first side wall 111, a first upper top wall 112, a first support wall 113, a lower top wall 114, a second support wall 115, a second upper top wall 116, and a second side wall 117, which are connected in this order.
These walls are connected in a lower open structure so that the cross member housing 11 has a long groove 118 extending in the longitudinal direction and opening downward formed between the first side wall 111 and the second side wall 117. And the lower top wall 114 of the cross-beam housing 11 is lower in height than the first side wall 111 and the second side wall 117, whereby the long groove 118 includes two smaller inner grooves, i.e., a first inner groove 119 including a downward opening formed between the first side wall 111, the first upper top wall 112, and the first support wall 113, and a second inner groove 120 including a downward opening formed between the second side wall 117, the second upper top wall 116, and the second support wall 115.
The inner filled reinforcement structure 12 is filled in the long groove 118 and abuts against the beam housing 11, and the inner filled reinforcement structure 12 includes a foamed aluminum material. Since the opening of the long groove is downward, the internally filled reinforcement structure 12 including the foamed aluminum material can be placed into the long groove 118 directly via the lower portion of the beam housing 11.
The foamed aluminum material is generally prepared by adding an additive into pure aluminum or aluminum alloy and then performing a foaming process, the density of the foamed aluminum material is 0.1-0.4 times that of metal aluminum, the bending rigidity of the foamed aluminum material is 1.5 times that of steel, the foamed aluminum material has high impact energy absorption rate and has metal and foam characteristics, the pore size of the foamed aluminum has influence on the bending rigidity and the impact energy absorption rate, the highest bending rigidity and impact energy absorption rate can be achieved by adjusting the pore size of the foamed aluminum, in addition, the foamed aluminum material is low in cost, and the production cost of the seat can not be increased on the premise of effectively improving the safety performance of the seat.
To sum up, the vehicle seat crossbeam that this application provided has strengthened seat crossbeam compressive resistance for the vehicle seat crossbeam of cavity structure owing to filled the intussuseption additional strengthening in the elongated slot of crossbeam casing to can satisfy the side column and bump the requirement of the power of bearing the bending to vehicle seat crossbeam when the operating mode.
Referring to fig. 2, which shows an overall structural schematic diagram of a vehicle seat cross beam 1 according to a first embodiment of the present application, as shown in fig. 2, the vehicle seat cross beam 1 includes a cross beam housing 11 and an inner filling reinforcement structure 12.
The cross beam housing 11 includes a first side wall 111, a first upper top wall 112, a first support wall 113, a lower top wall 114, a second support wall 115, a second upper top wall 116, and a second side wall 117, which are connected in this order.
These walls are connected in a lower open structure so that the cross member housing 11 has a long groove 118 extending in the longitudinal direction and opening downward formed between the first side wall 111 and the second side wall 117. And the lower top wall 114 of the cross-beam housing 11 is lower in height than the first side wall 111 and the second side wall 117, whereby the long groove 118 includes two smaller inner grooves, i.e., a first inner groove 119 including a downward opening formed between the first side wall 111, the first upper top wall 112, and the first support wall 113, and a second inner groove 120 including a downward opening formed between the second side wall 117, the second upper top wall 116, and the second support wall 115.
Referring to fig. 4, which shows a schematic structural view of a first internal filling reinforcement structure 12 provided in an embodiment of the present application, as shown in fig. 4, the internal filling reinforcement structure 12 includes a steel pipe 121 extending along a length direction of the beam housing 11, and the steel pipe 121 is filled with an aluminum foam material.
Referring to fig. 3, which shows a front view of the first vehicle seat cross member 1 of the present embodiment of the application in fig. 2 with the reinforcing beam 21 removed, as shown in fig. 3, two side outer walls of the steel tube 121 respectively abut against the first side wall 111 and the second side wall 117, and a top wall of the steel tube 121 abuts against the lower top wall 114.
In one example, the steel pipe 121 has a wall thickness of 1.5mm and a length of 60mm, and the density of the foamed aluminum filled in the steel pipe 121 is 0.12.
In the present embodiment, the cross section of the steel pipe 121 may be rectangular or trapezoidal. The length and width of the rectangular section, the length of the upper bottom and the lower bottom of the trapezoidal section and the height of the trapezoid can be selected according to actual needs.
Referring to fig. 5, which shows an overall structural schematic diagram of a vehicle seat cross beam 1 according to a second embodiment of the present application, as shown in fig. 5, the vehicle seat cross beam 1 includes a cross beam housing 11 and an inner filling reinforcement structure 12.
The cross beam housing 11 includes a first side wall 111, a first upper top wall 112, a first support wall 113, a lower top wall 114, a second support wall 115, a second upper top wall 116, and a second side wall 117, which are connected in this order.
These walls are connected in a lower open structure, so that the cross member housing 11 has a long groove 118 extending in the longitudinal direction and opening downward formed between the first side wall 111 and the second side wall 117; and the lower top wall 114 of the cross-beam housing 11 is lower in height than the first side wall 111 and the second side wall 117, whereby the long groove 118 includes two smaller inner grooves, i.e., a first inner groove 119 including a downward opening formed between the first side wall 111, the first upper top wall 112, and the first support wall 113, and a second inner groove 120 including a downward opening formed between the second side wall 117, the second upper top wall 116, and the second support wall 115.
Referring to fig. 7, a structural schematic view of a second inner filling reinforcing structure 12 provided in the embodiment of the present application is shown, and as shown in fig. 7, the inner filling reinforcing structure 12 includes a steel pipe 121 and an inner pipe 122.
The steel pipe 121 extends in the longitudinal direction of the cross beam housing 11.
The inner tube 122 is located in the steel tube 121, the inner tube 122 and the steel tube 121 extend in the same direction, and the foamed aluminum material is filled in the inner tube 122 and between the inner tube 122 and the steel tube 121.
Referring to fig. 6, which shows a front view of the second vehicle seat cross member 1 provided in the embodiment of the present application in fig. 5 with the reinforcement beam 21 removed, as shown in fig. 6, two side outer walls of the steel tube 121 respectively abut against the first side wall 111 and the second side wall 117, and a top wall of the steel tube 121 abuts against the lower top wall 114.
In this case, as an example, the wall thickness of the steel pipe 121 and the wall thickness of the inner pipe 122 are both 1.2mm, the length of the inner pipe 122 is both 40mm, and the density of the foamed aluminum filled in the inner pipe 122 and between the inner pipe 122 and the steel pipe 121 is both 0.15.
In the present embodiment, the cross sections of the steel pipe 121 and the inner pipe 122 may be rectangular or trapezoidal. The length and width of the rectangular section, the length of the upper bottom and the lower bottom of the trapezoidal section and the height of the trapezoid can be selected according to actual needs.
Alternatively, referring to fig. 8, which shows a schematic overall structural diagram of a vehicle seat cross beam 1 according to a third embodiment of the present application, as shown in fig. 8, the vehicle seat cross beam 1 includes a cross beam housing 11 and an inner filling reinforcement structure 12.
The cross beam housing 11 includes a first side wall 111, a first upper top wall 112, a first support wall 113, a lower top wall 114, a second support wall 115, a second upper top wall 116, and a second side wall 117, which are connected in this order.
These walls are connected in a lower open structure so that the cross member housing 11 has a long groove 118 extending in the longitudinal direction and opening downward formed between the first side wall 111 and the second side wall 117. And the lower top wall 114 of the cross-beam housing 11 is lower in height than the first side wall 111 and the second side wall 117, whereby the long groove 118 includes two smaller inner grooves, i.e., a first inner groove 119 including a downward opening formed between the first side wall 111, the first upper top wall 112, and the first support wall 113, and a second inner groove 120 including a downward opening formed between the second side wall 117, the second upper top wall 116, and the second support wall 115.
Referring to fig. 10, which shows a schematic structural view of a third internal reinforcing structure 12 provided in an embodiment of the present application, as shown in fig. 10, the internal reinforcing structure 12 includes a steel pipe 121 and two supporting platforms 123 made of foamed aluminum.
The steel pipe 121 extends in the length direction of the beam housing 11, and the steel pipe 121 is filled with an aluminum foam material.
The two supporting table bodies 123 are respectively located at both ends of the beam housing 11 in the longitudinal direction; the steel pipe 121 is supported on the upper sides of the two support tables 123.
Referring to fig. 9, which shows a front view of the third vehicle seat cross beam 1 provided in the embodiment of the present application in fig. 8 with the reinforcement beam 21 removed, as shown in fig. 9, a recessed portion 1231 penetrating in the length direction of the cross beam housing 11 and two protruding portions 1232 located at two sides 1231 of the recessed portion are formed in the middle of the upper side of each supporting platform 123, as shown in fig. 9 and 10, the end of the steel pipe 121 enters the recessed portion 1231, the top wall of the steel pipe 121 abuts against the lower top wall 114, the two protruding portions 1232 enter the first inner groove 119 and the second inner groove 120, respectively, and the top walls of the two protruding portions 1232 abut against the first upper top wall 112 and the second upper top wall 116, respectively.
In one example, the steel pipe 121 has a wall thickness of 1.3mm and an outer diameter of 20mm, the supporting stage 123 has a length of 60mm, and the densities of the aluminum foam filled in the steel pipe 121 and the aluminum foam of the supporting stage 123 are 0.15.
In the present embodiment, the cross section of the steel pipe 121 may be rectangular or trapezoidal. The length and width of the rectangular section, the length of the upper bottom and the lower bottom of the trapezoidal section and the height of the trapezoid can be selected according to actual needs.
Alternatively, referring to fig. 11 and 13, which show an overall structural schematic diagram of a fourth vehicle seat cross member 1 provided in the embodiment of the present application, as shown in fig. 11, the vehicle seat cross member 1 includes a cross member shell 11 and an inner filling reinforcement structure 12.
The cross beam housing 11 includes a first side wall 111, a first upper top wall 112, a first support wall 113, a lower top wall 114, a second support wall 115, a second upper top wall 116, and a second side wall 117, which are connected in this order.
These walls are connected in a lower open structure so that the cross member housing 11 has a long groove 118 extending in the longitudinal direction and opening downward formed between the first side wall 111 and the second side wall 117. And the lower top wall 114 of the cross-beam housing 11 is lower in height than the first side wall 111 and the second side wall 117, whereby the long groove 118 includes two smaller inner grooves, i.e., a first inner groove 119 including a downward opening formed between the first side wall 111, the first upper top wall 112, and the first support wall 113, and a second inner groove 120 including a downward opening formed between the second side wall 117, the second upper top wall 116, and the second support wall 115.
Referring to fig. 13, which shows a schematic structural view of a fourth internal filling reinforcement structure 12 provided in the embodiment of the present application, as shown in fig. 13, the internal filling reinforcement structure 12 includes a steel pipe 121 and two supporting tables 123 made of foamed aluminum.
The steel pipe includes two second steel pipes 1211, the second steel pipes 1211 extend in a length direction of the beam housing 11, and the second steel pipes 1211 are filled with a foamed aluminum material.
The two support tables 123 are respectively located at both ends of the cross beam housing 1 in the longitudinal direction, and the two second steel pipes 1211 are located above the two support tables 123.
Referring to fig. 12, which is a front view of the fourth vehicle seat cross member 1 of fig. 11 with the reinforcement beam 21 removed, as shown in fig. 12, two second steel pipes 1211 enter the first inner groove 119 and the second inner groove 120, respectively, and top walls of the two second steel pipes 1211 abut against the first upper top wall 112 and the second upper top wall 116, respectively; the upper surfaces of both support tables 123 abut the lower ceiling wall 114.
As an example, the cross sections of the two second steel pipes 1211 are both square, and the cross sections of the two supporting table bodies 123 are both rectangular; the second steel pipe 1211 has a wall thickness of 1.2mm and an outer diameter of 20mm, the density of the aluminum foam filled in the second steel pipe 1211 is 0.14, and the density of the aluminum foam material of the supporting table 123 is also 0.14.
It should be noted that the length and width of the rectangular cross section of the steel tube 121 and the side length of the square cross section of the supporting table body in the present embodiment can be selected according to actual needs.
As for the fourth vehicle seat cross beam provided in the embodiment of the present application, according to the result, the bending force of the vehicle seat cross beam provided in the embodiment of the present application is greatly improved compared with that of a common cross beam, see fig. 14, which shows a schematic structural diagram of the fourth vehicle seat cross beam 1 provided in the embodiment of the present application for performing a three-point pressure bending test, the vehicle seat cross beam 1 can bear the pressure from an upper pressure point, and is not bent, see fig. 15, which shows a schematic structural diagram of the common cross beam for performing the three-point pressure bending test, and the common cross beam cannot bear the pressure from the upper pressure point, and is bent significantly. By way of example, referring to fig. 16, which shows a line graph of a state after a fourth vehicle seat cross beam and a normal cross beam provided in the embodiment of the present application are subjected to a three-point pressure bending test, as shown in fig. 16, a horizontal axis represents a displacement amount of the vehicle seat cross beam in a direction perpendicular to the vehicle seat cross beam after being subjected to a force in the three-point pressure bending test, a vertical axis represents a bending force of the cross beam in the three-point pressure bending test, a curve a represents an average bending force of the fourth vehicle seat cross beam 1 provided in the embodiment of the present application, a curve b represents a real-time bending force of the fourth vehicle seat cross beam 1 provided in the embodiment of the present application, a curve c represents a bending force line of an optimization target, a curve d represents an average bending force of the normal seat cross beam, a curve e represents a real-time bending force of the normal seat cross beam, which can be obtained from the line graph of fig. 16, an average bending force obtained by the filling scheme in the embodiment of the, compared with the common beam, the lifting force is improved by about 224 percent by 7.5KN, the average bearing capacity of the axial pressure is 146.1KN, and the lifting force is improved by about 150 percent by the common beam.
Optionally, as shown in fig. 2, the lower top wall is provided with a plurality of projection nut mounting holes 1141 for fixedly mounting the beam housing 11 and the inner filling reinforcement structure 12 together.
The first side wall 111 and the second side wall 117 are provided at the ends in the longitudinal direction with flanges 12 extending to both sides for fixedly mounting the vehicle seat cross member 1 to the vehicle rocker beam 3.
To sum up, the vehicle seat crossbeam that this application embodiment provided is owing to be provided with the inner packing additional strengthening that foamed aluminium material constitutes in vehicle seat crossbeam's crossbeam casing, and the inner packing additional strengthening includes foamed aluminium material, and inner packing additional strengthening is with crossbeam casing looks butt. The foamed aluminum material has high rigidity ratio while having low mass density, so that the compressive strength of a vehicle seat cross beam is high, the excellent shock absorption performance can play a role of effectively protecting passengers and can reduce the injury of the passengers to the minimum when an accident occurs, the excellent sound insulation performance can consume the sound generated when the passengers sit down, and the foamed aluminum material also has the advantages of low cost and high fitting degree with a bottom plate and a seat sill beam.
For the inside vehicle seat crossbeam that is the cavity structure of crossbeam casing, the vehicle seat crossbeam that this application embodiment provided can bear bigger holding down force, also can bear the impact when the side column bumps the operating mode, can effectively prevent the condition such as deformation and damage of vehicle seat crossbeam.
For the scheme of laminating high strength board in vehicle seat crossbeam, the vehicle seat crossbeam that this application embodiment provided can alleviate vehicle seat crossbeam's weight, and does not have the requirement to vehicle seat crossbeam's Z to the cross-section.
In summary, under the condition of adding smaller weight and lower cost, the vehicle seat cross beam provided by the embodiment of the application meets the requirements of side column collision working conditions, and meanwhile brings better comfort and safety to the vehicle.
And this application embodiment provides the interior filling additional strengthening of multiform, can carry out different settings to the demand of the seat compressive capacity of different motorcycle types, covers the demand of different vehicle seat compressive capacities, makes the user's selectivity more.
The application also provides a vehicle seat, and the vehicle seat cross beam provided in the embodiment of the application can be applied to the vehicle seat provided in the application.
The present application also provides a vehicle to which the vehicle seat provided in the present application can be applied, and as shown in fig. 2, the vehicle seat cross member 1 includes a metal connecting piece 14 extending from the bottom of the first side wall 111 and the second side wall 117, and a reinforcement beam 21 is provided on the vehicle floor 2 of the vehicle, and the metal connecting piece 14 is connected to the reinforcement beam 21.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A vehicle seat beam comprising a beam shell and an inner filled reinforcement structure;
the beam shell comprises a first side wall, a first upper top wall, a first supporting wall, a lower top wall, a second supporting wall, a second upper top wall and a second side wall which are sequentially connected;
the cross beam housing has a long groove extending in a length direction and opening downward formed between the first side wall and the second side wall, the lower top wall has a height lower than that of the first side wall and the second side wall, and the long groove includes a first inner groove opening downward formed between the first side wall, the first upper top wall, and the first support wall, and a second inner groove opening downward formed between the second side wall, the second upper top wall, and the second support wall;
the inner filling reinforcing structure is filled in the long groove and is abutted to the beam shell, and the inner filling reinforcing structure comprises a foamed aluminum material.
2. The vehicle seat rail according to claim 1,
the inner filling reinforced structure further comprises a steel pipe extending along the length direction of the cross beam shell, and foamed aluminum materials are filled in the steel pipe.
3. The vehicle seat rail according to claim 2,
the two lateral outer walls of the steel pipe are respectively abutted against the first side wall and the second side wall, and the top wall of the steel pipe is abutted against the lower top wall.
4. The vehicle seat rail according to claim 3,
the inner filling reinforced structure further comprises an inner pipe, the inner pipe is located in the steel pipe, the extending directions of the inner pipe and the steel pipe are the same, and foamed aluminum materials are filled in the inner pipe and between the inner pipe and the steel pipe.
5. The vehicle seat rail according to claim 2,
the inner filling reinforcing structure also comprises two supporting table bodies made of foamed aluminum, and the two supporting table bodies are respectively positioned at the two end parts of the beam shell in the length direction;
the steel pipe is supported on the upper sides of the two supporting table bodies.
6. The vehicle seat rail according to claim 4,
the middle of the upper side of each supporting platform body is provided with a sunken part which is penetrated in the length direction of the cross beam shell and two convex parts which are positioned on two sides of the sunken part, the end part of the steel pipe enters the sunken part, the top wall of the steel pipe is abutted against the lower top wall, and the two convex parts respectively enter the first inner groove and the second inner groove.
7. The vehicle seat rail according to claim 5,
the steel pipes further comprise two second steel pipes, the two second steel pipes respectively enter the first inner groove and the second inner groove, and top walls of the two second steel pipes are respectively abutted to the first upper top wall and the second upper top wall;
the upper surfaces of the two supporting table bodies are abutted against the lower top wall.
8. The vehicle seat rail according to claim 1,
the lower top wall is provided with a plurality of projection welding nut mounting holes, and the tail ends of the first side wall and the second side wall in the length direction are provided with flanges extending towards two sides.
9. A vehicle seat, characterized in that,
the vehicle seat comprising the vehicle seat rail of any of claims 1-8.
10. A vehicle, characterized in that,
the vehicle includes the vehicle seat recited in claim 9, wherein the vehicle seat cross member includes a metal attachment tab extending from a bottom portion of the first and second side walls, a reinforcement beam being disposed on a vehicle floor of the vehicle, the metal attachment tab being connected to the reinforcement beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477608.9A CN111619409A (en) | 2020-05-29 | 2020-05-29 | Vehicle seat crossbeam and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477608.9A CN111619409A (en) | 2020-05-29 | 2020-05-29 | Vehicle seat crossbeam and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111619409A true CN111619409A (en) | 2020-09-04 |
Family
ID=72268742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010477608.9A Pending CN111619409A (en) | 2020-05-29 | 2020-05-29 | Vehicle seat crossbeam and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111619409A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110108630A (en) * | 2010-03-29 | 2011-10-06 | 주식회사 새한산업 | Side sill unit for vehicles |
| CN104372758A (en) * | 2014-11-24 | 2015-02-25 | 南京工业大学 | Light efficient combined type buffering impact-relieving device |
| CN104772933A (en) * | 2015-02-27 | 2015-07-15 | 中国建筑股份有限公司 | Double-steel pipe composite member filled with foamed aluminum |
| CN204548245U (en) * | 2015-02-13 | 2015-08-12 | 奇瑞汽车股份有限公司 | A kind of motor vehicle seat cross-member structure |
| CN105691468A (en) * | 2016-03-09 | 2016-06-22 | 华南理工大学 | Side impact energy-absorbing high-rigidity all-aluminum light-weight door sill structure for automobile |
| CN205396216U (en) * | 2016-02-15 | 2016-07-27 | 姚广春 | Foamed aluminium GMT |
| CN206086610U (en) * | 2016-08-16 | 2017-04-12 | 北京新能源汽车股份有限公司 | Closed cross -section door anticollision roof beam and car |
| CN207608813U (en) * | 2017-11-24 | 2018-07-13 | 山西大学 | The energy consumption bridge pier of foamed aluminium is filled in a kind of |
| CN208306405U (en) * | 2018-04-12 | 2019-01-01 | 吉利汽车研究院（宁波）有限公司 | A kind of seat beam reinforcement structure |
| CN109318840A (en) * | 2018-09-20 | 2019-02-12 | 北京海纳川汽车部件股份有限公司 | The collision prevention girders of vehicle, the manufacturing method of collision prevention girders and vehicle |
| CN208978793U (en) * | 2018-10-31 | 2019-06-14 | 上海工程技术大学 | A kind of front anticollision beam of automobile |
-
2020
- 2020-05-29 CN CN202010477608.9A patent/CN111619409A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110108630A (en) * | 2010-03-29 | 2011-10-06 | 주식회사 새한산업 | Side sill unit for vehicles |
| CN104372758A (en) * | 2014-11-24 | 2015-02-25 | 南京工业大学 | Light efficient combined type buffering impact-relieving device |
| CN204548245U (en) * | 2015-02-13 | 2015-08-12 | 奇瑞汽车股份有限公司 | A kind of motor vehicle seat cross-member structure |
| CN104772933A (en) * | 2015-02-27 | 2015-07-15 | 中国建筑股份有限公司 | Double-steel pipe composite member filled with foamed aluminum |
| CN205396216U (en) * | 2016-02-15 | 2016-07-27 | 姚广春 | Foamed aluminium GMT |
| CN105691468A (en) * | 2016-03-09 | 2016-06-22 | 华南理工大学 | Side impact energy-absorbing high-rigidity all-aluminum light-weight door sill structure for automobile |
| CN206086610U (en) * | 2016-08-16 | 2017-04-12 | 北京新能源汽车股份有限公司 | Closed cross -section door anticollision roof beam and car |
| CN207608813U (en) * | 2017-11-24 | 2018-07-13 | 山西大学 | The energy consumption bridge pier of foamed aluminium is filled in a kind of |
| CN208306405U (en) * | 2018-04-12 | 2019-01-01 | 吉利汽车研究院（宁波）有限公司 | A kind of seat beam reinforcement structure |
| CN109318840A (en) * | 2018-09-20 | 2019-02-12 | 北京海纳川汽车部件股份有限公司 | The collision prevention girders of vehicle, the manufacturing method of collision prevention girders and vehicle |
| CN208978793U (en) * | 2018-10-31 | 2019-06-14 | 上海工程技术大学 | A kind of front anticollision beam of automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111002934B (en) | Retractable layering buffering car bumper step by step | |
| CN205706902U (en) | A kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction | |
| WO2023016113A1 (en) | Lower vehicle body middle structure and vehicle | |
| CN105691468A (en) | Side impact energy-absorbing high-rigidity all-aluminum light-weight door sill structure for automobile | |
| CN209757269U (en) | Side wall threshold beam structure and car | |
| WO2011134252A1 (en) | Installation structure for roof frame of car and car comprising the same | |
| CN111619409A (en) | Vehicle seat crossbeam and vehicle | |
| CN209757260U (en) | auxiliary frame structure of passenger car | |
| JP4647805B2 (en) | Car side step | |
| CN212685730U (en) | Automobile B-pillar force transmission assembly | |
| CN201882154U (en) | Automobile combined collision avoidance system | |
| CN210919939U (en) | Cushion block structure for automobile | |
| CN210116554U (en) | Longitudinal beam recessed auxiliary frame | |
| CN217554029U (en) | Passageway structure and car in car | |
| CN211995880U (en) | Automobile front floor framework structure | |
| KR100979649B1 (en) | Bumper beam unit for vehicles | |
| CN107487362B (en) | Floor side member assembly and vehicle | |
| CN218536893U (en) | Floor assembly behind floor panel structure and automobile body behind automobile body | |
| CN214565708U (en) | Front floor assembly structure | |
| CN214728034U (en) | Air suspension with additional strengthening | |
| CN210591746U (en) | Anti-impact high-strength beam for heavy-duty car | |
| CN209870555U (en) | Sill beam inner plate rear section reinforcement | |
| CN216070208U (en) | Aluminum alloy front shock absorption tower base | |
| CN218839585U (en) | Whole car skeleton | |
| CN215474653U (en) | Adjust device, car seat of car seat back skeleton intensity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200904 |
|
| RJ01 | Rejection of invention patent application after publication |