WO2021008493A1 - 仪表板横梁 - Google Patents

仪表板横梁 Download PDF

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Publication number
WO2021008493A1
WO2021008493A1 PCT/CN2020/101654 CN2020101654W WO2021008493A1 WO 2021008493 A1 WO2021008493 A1 WO 2021008493A1 CN 2020101654 W CN2020101654 W CN 2020101654W WO 2021008493 A1 WO2021008493 A1 WO 2021008493A1
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WO
WIPO (PCT)
Prior art keywords
structural member
instrument panel
bracket
main body
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.)
Ceased
Application number
PCT/CN2020/101654
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English (en)
French (fr)
Inventor
张俊玮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yanfeng Jinqiao Automotive Trim Systems Co Ltd
Original Assignee
Shanghai Yanfeng Jinqiao Automotive Trim Systems Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Yanfeng Jinqiao Automotive Trim Systems Co Ltd filed Critical Shanghai Yanfeng Jinqiao Automotive Trim Systems Co Ltd
Priority to EP20840049.9A priority Critical patent/EP4001066A4/en
Publication of WO2021008493A1 publication Critical patent/WO2021008493A1/zh
Priority to US17/567,830 priority patent/US12024231B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/14—Dashboards as superstructure sub-units
    • B62D25/145—Dashboards as superstructure sub-units having a crossbeam incorporated therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/22—Display screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • B60K37/10—Arrangements for attaching the dashboard to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • B60K37/20—Dashboard panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/004—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material the metal being over-moulded by the synthetic material, e.g. in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives

Definitions

  • the invention relates to a vehicle interior, and more particularly to a vehicle instrument panel beam.
  • Vehicle dashboard as a vehicle interior, usually integrates electronic control and display components (such as combination instrument, navigation multimedia display, air conditioning control panel, etc.), functional components (such as glove box, storage box, air outlet) and various kindss of decorative parts (for example, decorative skins and decorative panels). Therefore, the vehicle dashboard is a vehicle interior that integrates control, storage, and decoration functions.
  • electronic control and display components such as combination instrument, navigation multimedia display, air conditioning control panel, etc.
  • functional components such as glove box, storage box, air outlet
  • decorative parts for example, decorative skins and decorative panels. Therefore, the vehicle dashboard is a vehicle interior that integrates control, storage, and decoration functions.
  • Vehicle dashboard assemblies usually require high strength and rigidity.
  • the conventional vehicle dashboard assembly is supported by steel beams, which include a steel beam body and multiple brackets, which are welded or bolted to the beam body for installation of various instrument panel assemblies. Into parts.
  • CN103930339A and CN106945729A respectively disclose instrument panel beams made of fiber-reinforced plastic and aluminum alloy, which realizes the lightweight of instrument panel beams.
  • high-strength plastic beams usually inevitably have a larger space and even higher cost due to the difference in material properties and metals, while aluminum/magnesium alloy beams have complicated processes and higher costs.
  • CN108639160A discloses an instrument panel beam skeleton structure, which includes a beam made of metal and a frame made of plastic. The beam is used to connect with the body assembly, and the plastic frame is used to install accessories in the instrument panel system. Structure support function, plastic frame is used to install accessories, and the two are connected by insert injection molding.
  • dashboard beams that can achieve a better balance between performance, weight, space, cost, manufacturing process and other factors.
  • the purpose of the present invention is to solve the above-mentioned problems in the prior art, and provide an instrument panel beam which has higher mechanical performance, lower manufacturing cost, smaller volume and weight, and is easy to manufacture.
  • the present invention provides an instrument panel beam for a vehicle.
  • the instrument panel beam includes: a beam body made of plastic and comprising a first end and a second end, the first end and the The second end portion is adapted to be connected to the left and right side panels of the vehicle, respectively; a first structural member, the first structural member is made of metal and arranged in the beam body; and a first bracket and a second bracket Bracket, the first bracket and the second bracket are arranged in the middle of the cross beam body and are suitable for supporting the central control of the vehicle, and the first bracket is closer to the first bracket of the cross beam body than the second bracket One end portion, and the first bracket is suitable for connecting with the floor sheet metal of the vehicle; wherein the first structural member extends from the first end portion of the cross beam main body along the length direction of the cross beam main body, The first structural member has a first end and a second end, the first end of the first structural member is located at the first end of the beam main body, and the first structural member The second end is located between the first bracket
  • the second end of the first structural member is at a certain distance from the center of the beam main body in the length direction, and the distance is in the range of 0 to 150 mm.
  • the instrument panel crossbeam further includes a second structural member, the second structural member is made of metal, and the second structural member is arranged in the crossbeam body and is separated from the crossbeam body. The second end extends along the length direction of the beam main body.
  • the length of the second structural member is less than or equal to 250 mm.
  • first structural member and the second structural member are integrally formed with the beam body through an insert injection molding process.
  • first structural member and/or the second structural member is provided with a through hole; and/or the gap between the first structural member and/or the second structural member and the beam body The interface is coated with adhesive.
  • first structural member and/or the second structural member have a U-shaped structure, an H-shaped structure, or a combination thereof.
  • first structural member and/or the second structural member are provided with reinforcing ribs.
  • the first structural member and/or the second structural member are made of steel, aluminum alloy or magnesium alloy.
  • the beam body is made of long glass fiber reinforced polypropylene.
  • the instrument panel beam further includes a third bracket, which is suitable for installing a steering column and is suitable for connecting with the front wall sheet metal of the vehicle, wherein the third bracket is made of metal, And is connected to the beam main body, or the third bracket is made of plastic and is integrally formed with the beam main body.
  • a third bracket which is suitable for installing a steering column and is suitable for connecting with the front wall sheet metal of the vehicle, wherein the third bracket is made of metal, And is connected to the beam main body, or the third bracket is made of plastic and is integrally formed with the beam main body.
  • the instrument panel cross beam according to the present invention includes a plastic cross beam main body and a metal structural part arranged in the plastic cross beam main body, and thus has the advantages of light plastic weight and high metal strength and small volume.
  • the position and/or size of the first structural member and the second structural member such as arranging the metal structural member in the main load-bearing area and the part where the beam body connects with the body, the volume, weight and mechanical of the instrument panel beam can be obtained
  • a better balance between performance increases the dimensional tolerances and assembly tolerances of parts, and reduces the difficulty of assembly and manufacturing of the instrument panel beam.
  • the main body of the beam can be made of lower-cost plastic materials, while ensuring the overall mechanical performance of the instrument panel beam.
  • Figure 1 is a three-dimensional schematic diagram of a typical vehicle
  • Figure 2 is a schematic perspective view of the vehicle in Figure 1;
  • Fig. 3 is a perspective schematic view of an instrument panel beam according to the first embodiment of the present invention.
  • FIG 4 is an exploded schematic diagram of the dashboard beam in Figure 3;
  • Figure 5 is a schematic front view of the instrument panel beam in Figure 3;
  • Fig. 6 is a schematic cross-sectional view of the instrument panel beam taken along the line A-A in Fig. 5;
  • Figure 7a is a schematic partial cross-sectional view of the instrument panel beam taken along line B-B in Figure 5, which shows the first structural member;
  • Figure 7b is a schematic partial cross-sectional view of the instrument panel beam taken along the line B-B in Figure 5, which shows the second structural member;
  • FIG. 8 is a perspective schematic view of an instrument panel cross beam according to a second embodiment of the present invention, in which the cross beam body and the steering column mounting structure are integrally formed;
  • Fig. 9 is a schematic partial cross-sectional view of the instrument panel beam in Fig. 8.
  • FIG. 10 is a schematic front view of an instrument panel beam according to a third embodiment of the present invention.
  • Figure 11 is a schematic cross-sectional view of the instrument panel beam taken along line A-A in Figure 10;
  • 12a and 12b are three-dimensional schematic diagrams of the first structural member of the instrument panel beam according to the third embodiment of the present invention viewed from different perspectives;
  • 13a and 13b are three-dimensional schematic diagrams of the second structural member of the instrument panel beam according to the third embodiment of the present invention viewed from different perspectives;
  • FIG. 14 is a schematic front view of an instrument panel beam according to a fourth embodiment of the present invention.
  • FIG. 15 is a perspective view of the first structural member of the instrument panel beam according to the fourth embodiment of the present invention.
  • Fig. 16 is a schematic cross-sectional view of the instrument panel beam taken along line A-A in Fig. 14.
  • FIGS 1 and 2 schematically show a typical vehicle V.
  • the vehicle V includes an instrument panel I and an instrument panel beam C, and the instrument panel beam C is located inside the instrument panel I.
  • Figures 3 to 7b show an instrument panel beam 100 according to a first embodiment of the invention.
  • the instrument panel cross beam 100 may include a cross beam main body 102 and a bracket provided on the cross beam main body 102 for installation and/or connection.
  • the beam main body 102 is made of plastic and includes a first end 104 and a second end 106.
  • the first end 104 and the second end 106 of the beam main body 102 are respectively suitable for connecting with the left and right side panels of the vehicle.
  • the bracket for installation and/or connection may include: a first bracket 108 and a second bracket 110.
  • the first bracket 108 and the second bracket 110 are arranged in the middle of the beam main body 102 and are suitable for supporting the vehicle center control, and the first bracket 108 is closer to the first end 104 of the beam main body 102 than the second bracket 110.
  • the first bracket 108 is suitable for connecting with the floor sheet metal of the vehicle.
  • the second bracket 110 may be connected to the floor sheet metal of the vehicle, and the second bracket 110 may not be connected to the floor sheet metal of the vehicle but is used to reinforce the instrument panel beam 100.
  • the first bracket 108 and the second bracket 110 can divide the instrument panel beam 100 into three sections: the driving side section on the left side of the first bracket 108, the central section between the first bracket 108 and the second bracket 110, and The passenger side section on the right side of the second bracket 110.
  • the bracket for installation and/or connection may further include: a third bracket 112, which is suitable for installing a steering column and is suitable for connection with the front wall sheet metal of the vehicle; and a fourth bracket 114, which is suitable for The front wall is connected by sheet metal and is located in the middle of the beam body 102, more specifically between the first bracket 108 and the center of the beam body 102 in the longitudinal direction and close to the first bracket 108; the fifth bracket 116, which is used for installation The main driving side knee airbag; the sixth bracket 118, which is used to install the passenger side knee airbag; the seventh bracket 120, which is used to install the passenger airbag; and the eighth bracket 121, which is used to install the air conditioner and instrument panel . It is understandable that corresponding brackets can be set according to actual installation requirements and connection requirements.
  • the instrument panel beam 100 may also include components for installation or assembly, such as a sleeve 122, a nut 124, and a bolt 126.
  • the third bracket 112 is made of magnesium alloy and is connected to the beam main body 102 by bolts 126, while the other brackets 108, 110, 114, 116, 118, 120, 121 are all made of plastic, and It is integrally formed with the beam main body 102 through an injection molding process. It is understandable that one or more of the brackets used for installation and/or connection may be separate components and connected to the beam body by fasteners, or the brackets used for installation and/or connection may all be made of plastic It is integrated with the beam body through an injection molding process. For example, in the instrument panel beam 200 of the second embodiment as shown in FIGS. 8 and 9, all brackets 208, 210, 212, 214, 216, 218, 220, and 221 used for installation and/or connection are composed of It is made of plastic and is integrally formed with the beam main body 202 through an injection molding process.
  • the instrument panel beam 100 further includes a first structural member 128 and a second structural member 130 that provide reinforcement.
  • the first structural member 128 is made of metal and is disposed in the beam main body 102.
  • the first structural member 128 is located in the main load-bearing area of the instrument panel beam 100.
  • the first structural member 128 may extend from the first end 104 of the beam body 102 along the length direction of the beam body 102.
  • the first structural member has a first end 129 and a second end 131.
  • the first end 129 of the first structural member 128 is located at the first end 104 of the beam body 102, and the second end 131 of the first structural member 128 is located at the first end.
  • the first structural member 128 extends from the first end 104 of the beam main body 102, so that the first end 104 of the beam main body 102 can be connected to the left side panel of the vehicle via the first structural member 128 provided therein, increasing The strength and durability of the connection between the end of the instrument panel beam 100 and the left side panel metal of the vehicle are improved, and because the metal has better ductility, the dimensional tolerances and assembly tolerances of the parts can be increased, thereby reducing the difficulty of manufacturing and assembly.
  • the first structural member 128 extends beyond the position of the first bracket 108 in the length direction of the beam main body 102, ensuring that the driving side section of the instrument panel beam 100 is installed with relatively heavy steering column, steering wheel and other accessories.
  • the load-bearing performance of the crossbeam body 102 strengthens the connection part of the front wall sheet metal and the floor sheet metal of the vehicle, and meets the modal requirements of the instrument panel crossbeam 100 and the anti-collision performance.
  • the second end 131 of the first structural member 128 is at a certain distance from the center of the beam main body 102 in the longitudinal direction, and the distance is in the range of 0 to 150 mm (the second end 131 of the first structural member 128 may be located on the beam
  • the main body 102 is at the center in the length direction or on the left or right side of the center) to obtain a good balance between the weight of the instrument panel beam and the mechanical performance.
  • the first structural member 128 may extend to the position of the fourth bracket 114 in the longitudinal direction of the cross beam main body 102 to reinforce the connection part of the cross beam main body 102 and the front wall sheet metal of the vehicle.
  • the first structural member 128 may be extended.
  • the first structural member 128 may extend a certain distance beyond the center of the beam main body 102 in the longitudinal direction, and the distance may be less than or equal to 150 mm.
  • the second structural member 130 is also made of metal, and the second structural member 130 is provided in the beam main body 102 and extends from the second end 106 of the beam main body 102 along the length direction of the beam main body. extend.
  • the second structural member 130 extends from the second end 106 of the beam main body 102, so that the second end 106 of the beam main body 102 can be connected to the right side panel of the vehicle via the second structural member 130 disposed therein, increasing
  • the strength and durability of the connection between the end of the instrument panel beam 100 and the right side panel of the vehicle are improved, and because the metal has better ductility, the dimensional tolerance and assembly tolerance of the parts can be increased, thereby reducing the difficulty of manufacturing and assembly.
  • the size of the second structural member 130 in the longitudinal direction of the beam main body 102 is defined as the length of the second structural member 130.
  • the length of the second structural member 130 can be reasonably designed to cover the area that needs to be reinforced in the passenger side section of the instrument panel beam 100 (for example, at the second end 106 where the beam body 102 is connected to the right side panel of the vehicle ,
  • the sixth bracket 118, the seventh bracket 120) simultaneously obtain a good balance between the weight of the instrument panel crossbeam 100 and the mechanical performance.
  • the length of the second structural member 130 is less than or equal to 250 mm.
  • the strength and rigidity of the instrument panel beam is increased, the connection between the instrument panel beam and the vehicle body is strengthened, and the Modal requirements and anti-collision performance reduce the difficulty of manufacturing and assembly, while ensuring that the instrument panel beam has a relatively small weight and a small size space for the main beam.
  • the first structural member 128 and the second structural member 130 are stamped and formed steel structural members, and the first structural member 128 and the second structural member 130 have similar structures .
  • the first structural member 128 has a top plate 132, a bottom plate 134 and an intermediate plate 136 disposed between the top plate 132 and the bottom plate 134.
  • the middle plate 136 is connected to the ends of the top plate 132 and the bottom plate 134, and the top plate 132, the middle plate 136 and the bottom plate 134 have a U-shaped cross section. In other words, the first structural member 128 has a U-shaped structure.
  • the first structural member 128 and the second structural member 130 may be integrally formed with the beam main body 102 through an insert injection molding process.
  • the first structural member 128 may also be provided with a through hole 140.
  • plastic can enter the through hole 140 to enhance the bonding strength of the first structural member 128 and the beam main body 102.
  • an adhesive may be coated at the interface between the first structural member 128 and the beam main body 102 to enhance the bonding strength between the first structural member 128 and the beam main body 102.
  • the first structural part and the second structural part may also be made of aluminum alloy or magnesium alloy and formed by a suitable process (die casting or metal injection molding).
  • Figures 10 to 13b show an instrument panel beam 300 according to a third embodiment of the invention.
  • the instrument panel beam 300 is similar to the instrument panel beam 100 according to the first embodiment of the present invention.
  • the main difference is that the first structural member 328 and the second structural member 330 of the instrument panel beam 300 are made of aluminum alloy/magnesium alloy and have Strengthening rib 338.
  • the first structural member 328 and the second structural member 330 of the instrument panel beam 300 are aluminum alloy/magnesium alloy structural members formed by metal injection molding.
  • the first structure 328 and the second structure 330 have a similar structure.
  • the first structural member 328 has a top plate 332, a bottom plate 334, and an intermediate plate 336 disposed between the top plate 332 and the bottom plate 334.
  • the middle plate 336 is connected to the ends of the top plate 332 and the bottom plate 334, and the top plate 332, the middle plate 336 and the bottom plate 334 have a U-shaped cross section.
  • the first structure 328 has a U-shaped structure.
  • the first structural member 328 may further include a plurality of reinforcing ribs 338 disposed in the space defined by the top plate 332, the bottom plate 334 and the middle plate 336 and connected to at least one of the top plate 332, the bottom plate 334 and the middle plate 336.
  • the reinforcing ribs 338 can be arranged in different patterns according to reinforcement needs.
  • FIG. 14 to 16 show an instrument panel beam 400 according to a fourth embodiment of the present invention.
  • the instrument panel beam 400 is similar to the instrument panel beam 300 according to the third embodiment of the present invention.
  • the main difference is that the first structural member 428 of the instrument panel beam 400 has a U-shaped structure and an H-shaped structure.
  • the first structural member 428 may include a first section 428a, a second section 428b, and a third section 428c.
  • the first section 428a has a top plate 432a, a bottom plate (not shown), and an intermediate plate 436a provided between the top plate 432a and the bottom plate.
  • the middle plate 436a of the first section 428a is connected to the ends of the top plate 432a and the bottom plate, and the top plate 432a, the middle plate 436a and the bottom plate of the first section 428a have a U-shaped cross section.
  • the first section has a U-shaped structure.
  • the third section 428c also has a U-shaped structure.
  • the second section 428b has a top plate 432b, a bottom plate 434b, and an intermediate plate 436b disposed between the top plate 432b and the bottom plate 434b.
  • the middle plate 436b of the second section 428b is connected to the middle of the top plate 432b and the bottom plate 434b, and the top plate 432b, the middle plate 436b and the bottom plate 434b of the second section have an H-shaped cross section.
  • the second section has an H-shaped structure. Therefore, the first structural member 428 has a combination of a U-shaped structure and an H-shaped structure. It can be understood that the first structural member 428 may also have only an H-shaped structure.
  • the first structural member 428 may further include reinforcing ribs 438.
  • first structural member 428 may be provided with a through hole 440 and/or the interface between the first structural member 428 and the beam main body 402 may be coated with an adhesive to enhance the bonding strength of the first structural member 428 and the beam main body 402.
  • the aluminum alloy/magnesium alloy structural parts are arranged in the part of the instrument panel beam, it is easier to manufacture than the instrument panel beam made of aluminum alloy/magnesium alloy. .
  • the main beam of the instrument panel beam is made of plastic, and the cost of plastic is often positively related to its mechanical properties.
  • plastic materials with high mechanical performance and high cost for example, PA6-GF or PA66-GF
  • the main body of the beam can be made of relatively low-cost plastic materials (for example, long glass fiber reinforced polypropylene PP-LGF) in order to reduce manufacturing costs while ensuring the mechanical performance of the instrument panel beam.
  • connection may be a fixed connection, a detachable connection, or an integral connection;
  • connection can be a direct connection or an indirect connection through an intermediary.
  • FIGS. 1 to 16 only show the shape, size, and arrangement of various optional components of the instrument panel beam according to the present invention, but they are merely illustrative and not restrictive.
  • the embodiments of the present invention can be modified without departing from the idea and scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Instrument Panels (AREA)

Abstract

一种用于车辆的仪表板横梁（100），其包括：横梁主体（102），横梁主体（102）由塑料制成并且包括第一端部（104）和第二端部（106），第一端部（104）和第二端部（106）适于分别与车辆的左右侧围钣金连接；第一结构件（128），第一结构件（128）由金属制成并且设置在横梁主体（102）内；以及第一支架（108）和第二支架（110），第一支架（108）和第二支架（110）设置在横梁主体（102）的中部且适于支承车辆中控，第一支架（108）比第二支架（110）更靠近横梁主体（102）的第一端部（104）；其中，第一结构件（128）从横梁主体（102）的第一端部（104）沿横梁主体（102）的长度方向延伸，第一结构件（128）具有第一端（129）和第二端（131），第一结构件（128）的第一端（129）位于横梁主体（102）的第一端部（104）处，第一结构件（128）的第二端（131）位于第一支架（108）与第二支架（110）之间；该仪表板横梁（100）具有较高的机械性能、较低的制造成本、较小的体积和重量，并且易于制造。

Description

仪表板横梁 技术领域
本发明涉及一种车辆内饰，更具体地涉及一种车辆仪表板横梁。
背景技术
车辆仪表板，作为一种车辆内饰，通常集成有电子控制显示部件(比如组合仪表、导航多媒体显示屏、空调控制面板等)、功能部件(比如手套箱、储物盒、出风口)以及各种装饰部件(比如，装饰表皮和装饰板)。因而，车辆仪表板是集控制、存储、装饰等功能于一体的车辆内饰。
车辆仪表板总成通常需要较高的强度和刚度。常规的车辆仪表板总成内部有钢制的横梁来做支撑，其包括钢制的横梁主体和多个支架，多个支架焊接到或螺栓连接到横梁主体上以用于安装各种仪表板总成零件。
考虑汽车节能减排的需求，有必要开发轻量化的车辆仪表板横梁。
目前，已开发出由铝合金、镁合金或高强度塑料材料等制造的轻量化仪表板横梁。例如，CN103930339A和CN106945729A分别公开了由纤维强化塑料和铝合金制成的仪表板横梁，实现了仪表板横梁的轻量化。然而，高强度塑料横梁通常因为材料性能和金属的差距，不可避免具有较大空间，甚至更高的成本，而铝合金/镁合金横梁则工艺复杂且成本较高。
现有技术中也存在通过塑料件和金属件结合的方式实现仪表板横梁的轻量化的技术方案。CN108639160A公开了一种仪表板横梁骨架结构，其包括由金属制成的横梁和由塑料制成的骨架，横梁用于与车身总成连接，塑料骨架用于安装仪表板系统中的附件，横梁起结构支撑作用，塑料骨架用来安装附件，两者通过嵌件注塑成型方式连接。
然而，仍需开发能够实现性能、重量、空间、成本、制造工艺等因素之间较好平衡的仪表板横梁。
发明内容
本发明的目的就在于解决上述现有技术中存在的问题，提供一种仪表板横梁，其具有较高的机械性能、较低的制造成本、较小的体积和重量，并且易于制造。
本发明提供一种用于车辆的仪表板横梁，所述仪表板横梁包括：横梁主体，所述横梁主体由塑料制成并且包括第一端部和第二端部，所述第一端部和所述第二端部适于分别与车辆的左右侧围钣金连接；第一结构件，所述第一结构件由金属制成并且设置在所述横梁主体内；以及第一支架和第二支架，所述第一支架和所述第二支架设置在所述横梁主体的中部且适于支承车辆中控，所述第一支架比所述第二支架更靠近所述横梁主体的所述第一端部，并且所述第一支架适于与车辆的地板钣金连接；其中，所述第一结构件从所述横梁主体的所述第一端部沿所述横梁主体的长度方向延伸，所述第一结构件具有第一端和第二端，所述第一结构件的所述第一端位于所述横梁主体的所述第一端部处，所述第一结构件的所述第二端位于所述第一支架与所述第二支架之间。
可选地，所述第一结构件的所述第二端与所述横梁主体在所述长度方向上的中心相距一定距离，所述距离在0到150mm的范围内。
可选地，所述仪表板横梁还包括第二结构件，所述第二结构件由金属制成，所述第二结构件设置在所述横梁主体内，并且从所述横梁主体的所述第二端部沿所述横梁主体的长度方向延伸。
可选地，所述第二结构件的长度小于等于250mm。
可选地，所述第一结构件和所述第二结构件通过嵌件注塑工艺与所述横梁主体一体成型。
可选地，所述第一结构件和/或所述第二结构件设置有通孔；且/或所述第一结构件和/或所述第二结构件与所述横梁主体之间的界面处涂有粘结剂。
可选地，所述第一结构件和/或所述第二结构件具有U型结构、H型结构或其组合。
可选地，所述第一结构件和/或所述第二结构件设置有加强筋。
可选地，所述第一结构件和/或所述第二结构件由钢、铝合金或镁合金制成。
可选地，所述横梁主体由长玻纤增强聚丙烯制成。
可选地，所述仪表板横梁还包括第三支架，所述第三支架适用于安装转向管柱且适于与车辆的前围钣金连接，其中，所述第三支架由金属制成，并连接到所述横梁主体，或者所述第三支架由塑料制成，并与所述横梁主体一体成型。
根据本发明的仪表板横梁包括塑料横梁主体与内设于塑料横梁主体中的金属结构件，因而兼具了塑料质量轻和金属强度高体积小的优点。通过合理地设计第一结构件和第二结构件的位置和/或尺寸，比如将金属结构件设置在主要承重区域和横梁主体与车身连接的部分，可获得仪表板横梁的体积、重量与机械性能之间的较好平衡，增加零件尺寸公差以及装配公差，降低仪表板横梁的装配和制造难度。此外，由于通过金属结构件对仪表板横梁进行了加强，横梁主体可以采用更低成本的塑料材料，同时保证仪表板横梁的整体机械性能。
附图说明
本发明的其他特征以及优点将通过以下结合附图详细描述的可选实施例更好地理解，附图中相同的标记标识相同或相似的部件，其中：
图1是一种典型车辆的立体示意图；
图2是图1中的车辆的示意性透视图；
图3是根据本发明的第一实施例的仪表板横梁的立体示意图；
图4是图3中的仪表板横梁的分解示意图；
图5是图3中的仪表板横梁的正视示意图；
图6是沿图5中的A-A线截取的仪表板横梁的截面示意图；
图7a是沿图5中的B-B线截取的仪表板横梁的部分截面示意图，其示出了第一结构件；
图7b是沿图5中的B-B线截取的仪表板横梁的部分截面示意图，其示出了第二结构件；
图8是根据本发明的第二实施例的仪表板横梁的立体示意图，其中横梁主体与转向管柱安装结构一体成型；
图9是图8中的仪表板横梁的局部截面示意图；
图10是根据本发明的第三实施例的仪表板横梁的正视示意图；
图11是沿图10中的A-A线截取的仪表板横梁的截面示意图；
图12a和图12b是根据本发明的第三实施例的仪表板横梁的第一结构件从不同视角观察的立体示意图；
图13a和图13b是根据本发明的第三实施例的仪表板横梁的第二结构件从不同视角观察的立体示意图；
图14是根据本发明的第四实施例的仪表板横梁的正视示意图；
图15是根据本发明的第四实施例的仪表板横梁的第一结构件的立体示意图；以及
图16是沿图14中的A-A线截取的仪表板横梁的截面示意图。
具体实施方式
下面详细讨论实施例的实施和使用。然而，应当理解，所讨论的具体实施例仅仅示范性地说明实施和使用本发明的特定方式，而非限制本发明的范围。在描述时各个部件的结构位置例如上、下、左、右等方向的表述不是绝对的，而是相对的。当各个部件如图中所示布置时，这些方向表述是恰当的，但图中各个部件的位置改变时，这些方向表述也相应改变。
图1和图2示意性地示出了一种典型的车辆V。通常，车辆V包括仪表板I和仪表板横梁C，仪表板横梁C位于仪表板I的内部。
图3至图7b示出了根据本发明的第一实施例的仪表板横梁100。如图3至图5所示，仪表板横梁100可以包括横梁主体102以及设置在横梁主体102上的用于安装和/或连接的支架。
横梁主体102由塑料制成，并且包括第一端部104和第二端部106。横梁主体102的第一端部104和第二端部106分别适于与车辆的左右侧围钣金连接。
用于安装和/或连接的支架可以包括：第一支架108和第二支架110。第一支架108和第二支架110设置在横梁主体102的中部且适于支承车辆中控，并且第一支架108比第二支架110更靠近横梁主体102的第一端部104。第一支架108适于与车辆的地板钣金连接。第二支架110可以与车辆的地板钣金连接，第二支架110也可以不与车辆的地板钣金连接而是用于 对仪表板横梁100进行加强。第一支架108和第二支架110可以将仪表板横梁100分成三个部段：第一支架108左侧的驾驶侧部段，第一支架108与第二支架110之间的中央部段，以及第二支架110右侧的副驾驶侧部段。
此外，用于安装和/或连接的支架还可以包括：第三支架112，其适用于安装转向管柱且适于与车辆的前围钣金连接；第四支架114，其适于与车辆的前围钣金连接，并且位于横梁主体102的中部，更具体地位于第一支架108与横梁主体102在长度方向上的中心之间且靠近第一支架108；第五支架116，其用于安装主驾驶侧膝部气囊；第六支架118，其用于安装副驾驶侧膝部气囊；第七支架120，其用于安装副驾驶气囊；以及第八支架121，其用于安装空调和仪表板。可以理解的是，可以根据实际的安装需求和连接需求来设置相应的支架。
仪表板横梁100还可以包括用于安装或组装的元件，比如轴套122、螺母124和螺栓126。
在本实施例中，第三支架112由镁合金制成，并且通过螺栓126连接到横梁主体102，而其他的支架108、110、114、116、118、120、121均由塑料制成，并且通过注塑工艺与横梁主体102一体成型。可以理解的是，用于安装和/或连接的支架中的一个或更多个可以是单独的部件，并且通过紧固件连接到横梁主体，或者用于安装和/或支架可以均由塑料制成，并且通过注塑工艺与横梁主体一体成型。例如，在如图8和图9所示的第二实施例的仪表板横梁200中，所有用于安装和/或连接的支架208、210、212、214、216、218、220、221均由塑料制成，并且通过注塑工艺与横梁主体202一体成型。
如图4至图7b所示，仪表板横梁100还进一步包括提供加强作用的第一结构件128和第二结构件130。
参照图4和图7a，第一结构件128由金属制成并且设置在横梁主体102内。第一结构件128位于仪表板横梁100的主要承重区域。第一结构件128可以从横梁主体102的第一端部104沿横梁主体102的长度方向延伸。第一结构件具有第一端129和第二端131，第一结构件128的第一端129位于横梁主体102的第一端部104处，第一结构件128的第二端131位于第一支架108与第二支架110之间。
第一结构件128从横梁主体102的第一端部104延伸，使得横梁主体102的第一端部104能够经由设置在其内的第一结构件128与车辆的左侧围钣金连接，增加了仪表板横梁100的端部与车辆左侧围钣金连接的强度和耐久性，并且由于金属具有较好的延展性，还可以增加零件尺寸公差以及装配公差，从而降低制造装配难度。同时，第一结构件128延伸超过了第一支架108在横梁主体102的长度方向上的位置，确保了仪表板横梁100的安装有相对较重的转向管柱、方向盘等附件的驾驶侧部段的承重性能，加强了横梁主体102与车辆的前围钣金和地板钣金连接的部分，并且满足了仪表板横梁100的模态要求以及防碰撞性能。
优选地，第一结构件128的第二端131与横梁主体102在长度方向上的中心相距一定距离，该距离在0到150mm的范围内(第一结构件128的第二端131可以位于横梁主体102在长度方向上的中心处或者在中心的左侧或右侧)，以获得仪表板横梁的重量与机械性能之间的较好平衡。
在本实施方式中，第一结构件128可以延伸到第四支架114在横梁主体102的长度方向上的位置，以对横梁主体102与车辆的前围钣金连接的部分进行加强。
可以理解的是，在仪表板横梁100的中央部段需要安装相对较重的附件(比如大尺寸显示屏)而因此承载较大载荷的情况下，可以延长第一结构件128。比如，第一结构件128可以延伸超过横梁主体102在长度方向上的中心一定距离，该距离可以小于等于150mm。
参照图3、图4和图7b，第二结构件130也由金属制成，并且第二结构件130设置在横梁主体102内且从横梁主体102的第二端部106沿横梁主体的长度方向延伸。第二结构件130从横梁主体102的第二端部106延伸，使得横梁主体102的第二端部106能够经由设置在其内的第二结构件130与车辆的右侧围钣金连接，增加了仪表板横梁100的端部与车辆的右侧围钣金连接的强度和耐久性，并且由于金属具有较好的延展性，还可以增加零件尺寸公差以及装配公差，从而降低制造装配难度。
第二结构件130在横梁主体102的长度方向上的尺寸定义为第二结构件130的长度。第二结构件130的长度可以合理地设计以覆盖仪表板横梁100的副驾驶侧部段中需要加强的区域(例如，横梁主体102与车辆的右侧 围钣金连接的第二端部106处，第六支架118处，第七支架120处)同时获得仪表板横梁100的重量与机械性能之间的较好平衡。可选地，第二结构件130的长度小于等于250mm。
如上所述，通过合理地设计第一结构件和第二结构件的位置和/或尺寸，增加了仪表板横梁的强度和刚度，加强了仪表板横梁与车身的连接，满足了仪表板横梁的模态要求和防碰撞性能，降低了制造装配难度，同时保证了仪表板横梁具有相对较小的重量和主梁较小的尺寸空间。
参见图4和图6，在第一实施方式中，第一结构件128和第二结构件130为冲压成型的钢制结构件，并且第一结构件128与第二结构件130具有相似的构造。以第一结构件128为例，第一结构件128具有顶板132、底板134以及设置在顶板132与底板134之间的中间板136。中间板136与顶板132和底板134的端部相连，顶板132、中间板136和底板134具有U形的横截面。换言之，第一结构件128具有U型结构。
第一结构件128和第二结构件130可以通过嵌件注塑工艺与横梁主体102一体成型。第一结构件128还可以设置有通孔140。在通过嵌件注塑工艺使第一结构件128与横梁主体102一体成型时，塑料可以进入通孔140中，从而增强第一结构件128与横梁主体102的结合强度。可选地，第一结构件128和横梁主体102的界面处还可以涂有粘结剂，以增强第一结构件128与横梁主体102的结合强度。
第一结构件和第二结构件也可以由铝合金或镁合金制成并且通过合适工艺(压铸成型或金属注塑成型)来成型。
图10至图13b示出了根据本发明的第三实施例的仪表板横梁300。仪表板横梁300与根据本发明的第一实施例的仪表板横梁100类似，主要区别在于，仪表板横梁300的第一结构件328和第二结构件330由铝合金/镁合金制成且具有加强筋338。
在该实施例中，仪表板横梁300的第一结构件328和第二结构件330为金属注塑成型的铝合金/镁合金结构件。第一结构件328与第二结构件330具有相似的构造。以第一结构件328为例，第一结构件328具有顶板332、底板334以及设置在顶板332与底板334之间的中间板336。中间板336与顶板332和底板334的端部相连，顶板332、中间板336和底板334具有 U形横截面。换言之，第一结构件328具有U型结构。第一结构件328还可以包括多个加强筋338，加强筋338设置在顶板332、底板334和中间板336限定的空间中并且与顶板332、底板334和中间板336中的至少一者相连。加强筋338可以根据加固需要布置成不同的图案。
图14至图16示出了根据本发明的第四实施例的仪表板横梁400。仪表板横梁400与根据本发明的第三实施例的仪表板横梁300类似，主要区别在于，仪表板横梁400的第一结构件428具有U型结构和H型结构。
在该实施例中，第一结构件428可以包括第一区段428a、第二区段428b和第三区段428c。第一区段428a具有顶板432a、底板(未示出)以及设置在顶板432a与底板之间的中间板436a。第一区段428a的中间板436a与顶板432a和底板的端部相连，第一区段428a的顶板432a、中间板436a和底板具有U形横截面。换言之，第一区段具有U型结构。类似地，第三区段428c也具有U型结构。第二区段428b具有顶板432b、底板434b以及设置在顶板432b与底板434b之间的中间板436b。第二区段428b的中间板436b与顶板432b和底板434b的中部相连，第二区段的顶板432b、中间板436b和底板434b具有H形横截面。换言之，第二区段具有H型结构。因而，第一结构件428具有U型结构和H型结构的组合。可以理解的是，第一结构件428也可以只具有H型结构。第一结构件428还可以包括加强筋438。
此外，第一结构件428可以设置有通孔440和/或第一结构件428和横梁主体402的界面处可以涂有粘结剂，以增强第一结构件428与横梁主体402的结合强度。
在本发明的第三和第四实施例中，由于在仪表板横梁的局部设置铝合金/镁合金的结构件，相比于整体由铝合金/镁合金制成的仪表板横梁，更易于制造。
此外，仪表板横梁的横梁主体由塑料制成，塑料的成本往往与其机械性能正相关。现有技术中，为了保证仪表板横梁的整体机械性能，往往采用高机械性能高成本的塑料材料(例如，PA6-GF或PA66-GF)。然而，在本发明中，由于通过金属制成的第一结构件和第二结构件对仪表板横梁进行了加强，横梁主体可以采用成本相对较低的塑料材料(例如，长玻纤增 强聚丙烯PP-LGF)以降低制造成本，同时保证仪表板横梁的机械性能。
在本发明中，除非另有明确的限定，术语“相连”、“连接”等术语均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接；“连接”可以是直接连接，也可以通过中间媒介间接连接。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
此外，应当理解的是，图1至图16所示实施例仅显示了根据本发明的仪表板横梁的各个可选部件的形状、尺寸和布置方式，然而其仅为示意而非限制。在不背离本发明的思想和范围的情况下，可以对本发明的实施例进行修改。
以上已揭示本发明的技术内容及技术特点，然而可以理解的是，在本发明的创作思想下，本领域的技术人员可以对上述公开的构思作各种变化和改进，但都属于本发明的保护范围。上述实施方式的描述是例示性的而不是限制性的，本发明的保护范围由权利要求所确定。

Claims (11)

  1. 一种用于车辆的仪表板横梁，其特征在于，所述仪表板横梁包括：
    横梁主体，所述横梁主体由塑料制成并且包括第一端部和第二端部，所述第一端部和所述第二端部适于分别与车辆的左右侧围钣金连接；
    第一结构件，所述第一结构件由金属制成并且设置在所述横梁主体内；以及
    第一支架和第二支架，所述第一支架和所述第二支架设置在所述横梁主体的中部且适于支承车辆中控，所述第一支架比所述第二支架更靠近所述横梁主体的所述第一端部，并且所述第一支架适于与车辆的地板钣金连接；
    其中，所述第一结构件从所述横梁主体的所述第一端部沿所述横梁主体的长度方向延伸，所述第一结构件具有第一端和第二端，所述第一结构件的所述第一端位于所述横梁主体的所述第一端部处，所述第一结构件的所述第二端位于所述第一支架与所述第二支架之间。
  2. 根据权利要求1所述的用于车辆的仪表板横梁，其特征在于，所述第一结构件的所述第二端与所述横梁主体在所述长度方向上的中心相距一定距离，所述距离在0到150mm的范围内。
  3. 根据权利要求1所述的用于车辆的仪表板横梁，其特征在于，所述仪表板横梁还包括第二结构件，所述第二结构件由金属制成，所述第二结构件设置在所述横梁主体内，并且从所述横梁主体的所述第二端部沿所述横梁主体的长度方向延伸。
  4. 根据权利要求3所述的用于车辆的仪表板横梁，其特征在于，所述第二结构件的长度小于等于250mm。
  5. 根据权利要求3所述的用于车辆的仪表板横梁，其特征在于，所述第一结构件和所述第二结构件通过嵌件注塑工艺与所述横梁主体一体成型。
  6. 根据权利要求5所述的用于车辆的仪表板横梁，其特征在于，所述第一结构件和/或所述第二结构件设置有通孔；且/或
    所述第一结构件和/或所述第二结构件与所述横梁主体之间的界面处涂有粘结剂。
  7. 根据权利要求3所述的用于车辆的仪表板横梁，其特征在于，所述第一结构件和/或所述第二结构件具有U型结构、H型结构或其组合。
  8. 根据权利要求3所述的用于车辆的仪表板横梁，其特征在于，所述第一结构件和/或所述第二结构件设置有加强筋。
  9. 根据权利要求3所述的用于车辆的仪表板横梁，其特征在于，所述第一结构件和/或所述第二结构件由钢、铝合金或镁合金制成。
  10. 根据权利要求1-9中的任一项所述的用于车辆的仪表板横梁，其特征在于，所述横梁主体由长玻纤增强聚丙烯制成。
  11. 根据权利要求1-9中的任一项所述的用于车辆的仪表板横梁，其特征在于，所述仪表板横梁还包括第三支架，所述第三支架适用于安装转向管柱且适于与车辆的前围钣金连接，其中，
    所述第三支架由金属制成，并连接到所述横梁主体，或者
    所述第三支架由塑料制成，并与所述横梁主体一体成型。
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