CN114475806A - Combined magnesium alloy automobile beam and automobile with beam - Google Patents
Combined magnesium alloy automobile beam and automobile with beam Download PDFInfo
- Publication number
- CN114475806A CN114475806A CN202210017427.7A CN202210017427A CN114475806A CN 114475806 A CN114475806 A CN 114475806A CN 202210017427 A CN202210017427 A CN 202210017427A CN 114475806 A CN114475806 A CN 114475806A
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- hole
- magnesium alloy
- automobile
- support
- bolt
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Classifications
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
Abstract
The application relates to a combined magnesium alloy automobile beam and an automobile with the beam. The combined magnesium alloy automobile beam comprises a tubular beam extruded by magnesium alloy, a left automobile body connecting support and a right automobile body connecting support which are formed by magnesium alloy in a die-casting manner, a steering column support which is formed by magnesium alloy in a die-casting manner, an air bag mounting support which is formed by magnesium alloy in a stamping manner and an instrument panel fixing piece; the left vehicle body connecting support and the right vehicle body connecting support are respectively arranged at the left end part and the right end part of the tubular beam, and the instrument panel fixing piece is arranged in the middle of the tubular beam; the steering column support is mounted on the tubular beam, and the airbag mounting support is detachably mounted on the tubular beam. The flexible production control system is low in development cost, short in development period and convenient to control flexible production, production cost is reduced, product weight is reduced, and lightweight design requirements are met.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a combined magnesium alloy automobile beam and an automobile with the beam.
Background
A cross-car beam (CCB), which is mounted at the front end of the cab and hidden under the dashboard, is used to secure the dashboard and other accessories, and serves as a support under the front dashboard panel, which is an important responsibility for mounting and safety support.
According to the different spatial arrangement and interior style of different vehicle types, the structural design of the automobile beam is also different. The mounting metal can be divided into metal and nonmetal according to the material, and the mounting metal can be divided into steel and non-steel. At present, the CCB structure is mainly formed by splicing and welding steel pipe beams and stamping parts, is low in cost, but is high in material density and not beneficial to lightweight design. The common materials of the non-steel metal CCB structure comprise aluminum alloy, magnesium aluminum alloy and the like, and are generally formed by integral die-casting. And the mode that adopts integral type structure die-casting manufacturing cost is higher, and the technical requirement degree of difficulty is big. And non-metal materials mostly adopt a matching form of a polymer material and metal, so that the performance and the light weight level are further improved, but the non-metal materials have the problems of low strength and unstable structure.
Disclosure of Invention
The purpose of the application is to provide a combined magnesium alloy automobile beam and an automobile with the beam, aiming at the defects in the prior art.
The combined magnesium alloy automobile crossbeam comprises a tubular beam formed by extruding magnesium alloy, a left automobile body connecting support and a right automobile body connecting support which are formed by die-casting magnesium alloy, a steering column support formed by die-casting magnesium alloy, an air bag mounting support formed by stamping magnesium alloy and an instrument panel fixing piece; the left vehicle body connecting support and the right vehicle body connecting support are respectively detachably mounted at the left end part and the right end part of the tubular beam, the instrument panel fixing piece is detachably mounted in the middle of the tubular beam, and the steering column support and the air bag mounting support are detachably mounted on the tubular beam; the steering column support is positioned between the left vehicle body connecting support and the instrument panel fixing piece, and the air bag mounting support is positioned between the right vehicle body connecting support and the instrument panel fixing piece; or the steering column support is positioned between the right vehicle body connecting support and the instrument panel fixing piece, and the air bag mounting support is positioned between the left vehicle body connecting support and the instrument panel fixing piece.
The left vehicle body connecting bracket can be detachably connected with the tubular beam through a first bolt; the left vehicle body connecting bracket can be provided with a first through hole for inserting the tubular beam, one side surface of the first through hole can be provided with at least one first bolt hole, the other side surface of the first through hole can be provided with a first threaded hole opposite to the first bolt hole, and the left end part of the tubular beam can be provided with a first mounting hole opposite to the first bolt hole; the first bolt sequentially penetrates through the first bolt hole and the first mounting hole and then is in threaded connection with the first threaded hole.
The right vehicle body connecting bracket can be detachably connected with the tubular beam through a second bolt; the right vehicle body connecting bracket can be provided with a second through hole for inserting the tubular beam, one side surface of the second through hole can be provided with at least one second bolt hole, the other side surface of the second through hole can be provided with a second threaded hole opposite to the second bolt hole, and the right end part of the tubular beam can be provided with a second mounting hole opposite to the second bolt hole; and the second bolt sequentially penetrates through the second bolt hole and the second mounting hole and then is in threaded connection with the second threaded hole.
Wherein the steering column bracket may be detachably coupled to the tubular beam by a third bolt; the steering column support may be formed with an installation groove into which the tubular beam is inserted, one groove wall of the installation groove may be provided with at least one third bolt hole, the other groove wall of the installation groove may be provided with a third threaded hole aligned with the third bolt hole, and the tubular beam may be provided with a third installation hole opposite to the third bolt hole; and the third bolt sequentially penetrates through the third bolt hole and the third mounting hole and then is in threaded connection with the third threaded hole.
The application also relates to an automobile, which comprises the automobile cross beam, wherein the automobile cross beam can be the combined magnesium alloy automobile cross beam.
The utility model provides a combination formula magnesium alloy automobile beam and have car of this crossbeam has following beneficial effect:
(1) on the premise of not changing the functions, positions and sizes of original parts, the extrusion process is mainly used, the stamping process is assisted, basic performance indexes such as modes, safety and the like are guaranteed, a large-scale die is not required to be designed for the combined structure, and compared with the traditional integrated structure, the combined structure is low in development cost, short in development period and convenient to flexibly control production.
(2) The magnesium alloy is used as a raw material, so that the production cost is reduced and the product weight is reduced on the premise of ensuring enough structural strength, thereby realizing light weight.
(3) Replaced traditional crossbeam and adopted welded fixed mode, processing cost and assembly cost have been reduced, and steering column support detachably installs on magnesium alloy tubular beam, the steering column support is the mirror image structure, the steering column support is bilateral symmetry's structure promptly, thereby make the steering column support become general accessory, be applicable to the left rudder crossbeam and the use of right rudder crossbeam, the suitability is stronger, compatibility is strong, the installation is more nimble, thereby the cost of manufacture has been reduced, can also realize the cushioning effect, the improvement is controlled the travelling comfort, eliminate the abnormal sound.
Drawings
The present application is further explained by means of the attached drawings, but the embodiments in the attached drawings do not constitute any limitation to the present application, and for a person skilled in the art, other drawings can be obtained from the following drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a combined magnesium alloy automobile beam in this embodiment.
Fig. 2 is a schematic structural view of the left vehicle body connecting bracket in the embodiment.
Fig. 3 is a schematic structural view of the right vehicle body connecting bracket in the embodiment.
Fig. 4 is a schematic structural view of the steering column support in this embodiment.
Fig. 5 is a schematic structural view of the tubular beam in this embodiment.
Reference numerals: tubular beam 1, first mounting hole 11, second mounting hole 12, third mounting hole 13, left vehicle body connecting bracket 21, right vehicle body connecting bracket 22, steering column bracket 3, airbag mounting bracket 4, instrument panel fixing member 5, first bolt 61, second bolt 62, third bolt 63, first through hole 71, second through hole 72, mounting groove 73, first bolt hole 81, second bolt hole 82, third bolt hole 83, first threaded hole 91, second threaded hole 92, third threaded hole 93.
Detailed Description
The present application is further described in conjunction with the following examples.
The utility model provides a modular magnesium alloy automobile beam, as shown in figure 1, including tubular beam 1, left automobile body linking bridge 21, right automobile body linking bridge 22, gasbag installing support 4, steering column support 3, instrument board mounting 5 and other electric installing supports. The tubular beam 1 is formed by extruding magnesium alloy, the left vehicle body connecting support 21, the right vehicle body connecting support 22 and the steering column support 3 are formed by die-casting magnesium alloy, and the air bag mounting support 4, the instrument panel fixing piece 5 and other electric mounting supports are formed by stamping magnesium alloy. On the premise of not changing the functions, positions and sizes of original parts, the extrusion process is mainly used, the stamping process is used as an auxiliary process, and fundamental performance indexes such as mode and safety are guaranteed, so that the original integrated structure is replaced. According to experience, the magnesium alloy plate and the steel plate have the same strength at a thickness ratio of 1.2: 1; the same stiffness at a thickness ratio of 1.7: 1; in order to ensure the feasibility of the stamping manufacturing process, the minimum bending radius of the magnesium alloy stamping plate is 3 times of the plate thickness, and the requirement of the minimum bending radius is improved at a complex bending structure.
Referring to fig. 2 to 4, left and right vehicle body coupling brackets 21 and 22 are detachably mounted to left and right end portions of the tubular beam 1, respectively. The mounting structure between the left vehicle body coupling bracket 21 and the tubular beam 1 may be the same as the mounting structure between the right vehicle body coupling bracket 22 and the tubular beam 1. Specifically, the left vehicle body attachment bracket 21 is detachably attached to the tubular beam 1 by a first bolt 61. The left vehicle body connecting bracket 21 is provided with a first through hole 71 for inserting the tubular beam 1, one side surface of the first through hole 71 is provided with at least one first bolt hole 81, the other side surface of the first through hole 71 is provided with a first threaded hole 91 opposite to the first bolt hole 81, and the left end part of the tubular beam 1 is provided with a first mounting hole 11 opposite to the first bolt hole 81; the first bolt 61 is threaded into the first threaded hole 91 after passing through the first bolt hole 81 and the first mounting hole 11 in this order. Similarly, the right vehicle body attachment bracket 22 is detachably attached to the tubular beam 1 by the second bolt 62. The right vehicle body connecting bracket 22 is provided with a second through hole 72 for inserting the tubular beam 1, one side surface of the second through hole 72 is provided with at least one second bolt hole 82, the other side surface of the second through hole 72 is provided with a second threaded hole 92 opposite to the second bolt hole 82, and the right end part of the tubular beam 1 is provided with a second mounting hole 12 opposite to the second bolt hole 82; the second bolt 62 is threaded into the second threaded hole 92 after passing through the second bolt hole 82 and the second mounting hole 12 in sequence.
In the present embodiment, the instrument panel fixing member 5 is detachably mounted in the middle of the tubular beam 1, and the steering column bracket 3 is detachably mounted on the tubular beam 1 between the left vehicle body attachment bracket 21 and the instrument panel fixing member 5; the airbag mounting bracket 4 is detachably mounted on the tubular beam 1 between the right body attachment bracket 22 and the instrument panel fixing member 5, and this structure is suitable for a left-rudder vehicle. In another embodiment, the steering column bracket 3 may be located between the right body attachment bracket 22 and the instrument panel fixing 5, and the airbag mounting bracket 4 may be located between the left body attachment bracket 21 and the instrument panel fixing 5, which is suitable for a right-rudder vehicle. In order to improve the applicability of the cross beam, the steering column support 3 can be a mirror image structural member, that is, the steering column support 3 is a structural member which is bilaterally symmetrical, so that the steering column support 3 becomes a universal fitting and is suitable for left-hand and right-hand rudder cross beams, the applicability is stronger, and the installation is more flexible.
In the present embodiment, referring to fig. 3 and 4, the steering column bracket 3 is detachably connected to the tubular beam 1 by the third bolt 63. The steering column support 3 is formed with an installation groove 73 into which the tubular beam 1 is inserted, one of the groove walls of the installation groove 73 is provided with at least one third bolt hole 83, the other groove wall of the installation groove 73 is provided with a third threaded hole 93 aligned with the third bolt hole 83, and the tubular beam 1 is provided with a third installation hole 13 opposite to the third bolt hole 83; the third bolt 63 sequentially passes through the third bolt hole 83 and the third mounting hole 13 and then is in threaded connection with the third threaded hole 93. Compare in the tradition and adopt welded fixed mode, reduced processing cost and assembly cost to steering column support 3 detachably installs on the magnesium alloy tubular beam, can realize the cushioning effect, thereby improves and controls the travelling comfort and eliminate the abnormal sound.
In this embodiment, instrument board mounting 5 and gasbag installing support 4 all adopt rivet to be connected with tubular beams 1 detachably, have replaced the tradition to adopt welded fixed mode, furthest reduces weight, reduces cost and equipment cost on the prerequisite that satisfies the product requirement to the stability of crossbeam has been improved.
In the present embodiment, the magnesium alloy used for the tube beam 1, the airbag mounting bracket 4, and the instrument panel fixing 5 may be AZ31B, and the magnesium alloy used for the left body attaching bracket 21, the right body attaching bracket 22, and the steering column bracket 3 may be AM 60B. Aiming at light weight design, the weight is not more than 3.8kg, the tensile strength of the material is not less than 200MPa, the yield strength is not less than 130MPa, the surface protection meets the coating requirement of an automobile body, the weight of the magnesium alloy AZ31B and AM60B can be reduced by 1.0kg compared with 6082, the comprehensive cost is basically the same, the overall mass is reduced, and the light weight is realized.
The combined magnesium alloy automobile beam has the greatest characteristic that a combined structure is adopted, so that a large-scale die does not need to be designed, and compared with the traditional integrated forming structure, the combined magnesium alloy automobile beam is low in development cost, short in development period and convenient to flexibly produce and control. The magnesium alloy is used as a raw material, so that the production cost is reduced and the product weight is reduced on the premise of ensuring enough structural strength, thereby realizing light weight. See the following comparative chart:
it can be clearly seen from the above chart that the combined magnesium alloy automobile beam of the present application has low design and development cost, the sum of the design cost, the die casting die cost, the extrusion die cost, the sheet metal die cost, the machining tool, the assembly assembling tool, the assembly checking fixture and other costs is not higher than 130 ten thousand, if the traditional integrated die casting mode is adopted, 300 ten thousand is needed, the combined beam weight is reduced by nearly 50%, compared with the traditional steel structure with the mass of 6.4kg, the combined magnesium alloy structure of the present embodiment has the total weight of 3.8kg, the energy is saved, and the development cost is relatively low.
The application still relates to an automobile, and it includes the combination formula magnesium alloy automobile crossbeam of this application, and conventional prior art can all be adopted to other parts of automobile, no longer gives unnecessary details.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. A combined magnesium alloy automobile beam is characterized by comprising a tubular beam formed by extruding magnesium alloy, a left automobile body connecting support and a right automobile body connecting support which are formed by die-casting the magnesium alloy, a steering column support formed by die-casting the magnesium alloy, an air bag mounting support formed by stamping the magnesium alloy and an instrument panel fixing piece;
the left vehicle body connecting support and the right vehicle body connecting support are respectively detachably mounted at the left end part and the right end part of the tubular beam, the instrument panel fixing piece is detachably mounted in the middle of the tubular beam, and the steering column support and the air bag mounting support are detachably mounted on the tubular beam;
the steering column support is positioned between the left vehicle body connecting support and the instrument panel fixing piece, and the air bag mounting support is positioned between the right vehicle body connecting support and the instrument panel fixing piece; or the steering column support is positioned between the right vehicle body connecting support and the instrument panel fixing piece, and the air bag mounting support is positioned between the left vehicle body connecting support and the instrument panel fixing piece.
2. The modular magnesium alloy automotive cross-member of claim 1, wherein the steering column support is a mirror image.
3. The modular magnesium alloy vehicle cross member of claim 1 or 2, wherein the left body attachment bracket is removably attached to the tubular beam by a first bolt.
4. The combined magnesium alloy automobile cross beam as claimed in claim 3, wherein the left automobile body connecting bracket is provided with a first through hole for the pipe beam to be inserted into, one side surface of the first through hole is provided with at least one first bolt hole, the other side surface of the first through hole is provided with a first threaded hole opposite to the first bolt hole, and the left end part of the pipe beam is provided with a first mounting hole opposite to the first bolt hole;
the first bolt sequentially penetrates through the first bolt hole and the first mounting hole and then is in threaded connection with the first threaded hole.
5. The modular magnesium alloy automotive cross member of claim 1, 2 or 4, wherein the right body attachment bracket is removably attached to the tubular beam by a second bolt.
6. The combined magnesium alloy automobile cross beam as claimed in claim 5, wherein the right automobile body connecting bracket is provided with a second through hole for inserting the tubular beam, one side surface of the second through hole is provided with at least one second bolt hole, the other side surface of the second through hole is provided with a second threaded hole opposite to the second bolt hole, and the right end part of the tubular beam is provided with a second mounting hole opposite to the second bolt hole;
and the second bolt sequentially penetrates through the second bolt hole and the second mounting hole and then is in threaded connection with the second threaded hole.
7. The modular magnesium alloy cross member of claim 1, 2, 4 or 6, wherein the steering column bracket is detachably connected to the tubular beam by a third bolt.
8. The combined magnesium alloy automobile cross beam as claimed in claim 7, wherein the steering column support is formed with mounting slots for the insertion of the tubular beam, one of the slot walls is provided with at least one third bolt hole, the other slot wall is provided with a third threaded hole aligned with the third bolt hole, and the tubular beam is provided with a third mounting hole opposite to the third bolt hole;
and the third bolt sequentially passes through the third bolt hole and the third mounting hole and then is in threaded connection with the third threaded hole.
9. The modular magnesium alloy automobile cross member of claim 1, 2, 4, 6, 7 or 8, wherein the instrument panel fixing member and the airbag mounting bracket are detachably connected to the tubular beam by means of rivet.
10. An automobile comprising an automobile cross beam, wherein the automobile cross beam is a combined magnesium alloy automobile cross beam according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017427.7A CN114475806A (en) | 2022-01-07 | 2022-01-07 | Combined magnesium alloy automobile beam and automobile with beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017427.7A CN114475806A (en) | 2022-01-07 | 2022-01-07 | Combined magnesium alloy automobile beam and automobile with beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114475806A true CN114475806A (en) | 2022-05-13 |
Family
ID=81510689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210017427.7A Pending CN114475806A (en) | 2022-01-07 | 2022-01-07 | Combined magnesium alloy automobile beam and automobile with beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114475806A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211525A (en) * | 2011-04-15 | 2011-10-12 | 同济大学 | Design method for extruded magnesium alloy instrument panel tube beam |
| US20110285174A1 (en) * | 2010-04-15 | 2011-11-24 | Lanxess Deutschland Gmbh | Transverse-member module for a motor-vehicle |
| CN203473016U (en) * | 2013-09-11 | 2014-03-12 | 奇瑞汽车股份有限公司 | Instrument board beam |
| CN104627248A (en) * | 2013-11-14 | 2015-05-20 | 上海汽车集团股份有限公司 | Combined instrument board beam and automobile with combined instrument board beam |
| CN205256456U (en) * | 2015-12-09 | 2016-05-25 | 上海和达汽车配件有限公司 | Automobile dashboard beam assembly |
| CN107499387A (en) * | 2017-08-24 | 2017-12-22 | 阿尔特汽车技术股份有限公司 | Automobile magnesium-alloy tube beam mounting structure |
| WO2019224998A1 (en) * | 2018-05-25 | 2019-11-28 | Ykk株式会社 | Slide fastener unit, movement guide device, and movement-guide-device manufacturing method |
| US20220119042A1 (en) * | 2019-07-17 | 2022-04-21 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Cross-member structure for a vehicle |
-
2022
- 2022-01-07 CN CN202210017427.7A patent/CN114475806A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110285174A1 (en) * | 2010-04-15 | 2011-11-24 | Lanxess Deutschland Gmbh | Transverse-member module for a motor-vehicle |
| CN102211525A (en) * | 2011-04-15 | 2011-10-12 | 同济大学 | Design method for extruded magnesium alloy instrument panel tube beam |
| CN203473016U (en) * | 2013-09-11 | 2014-03-12 | 奇瑞汽车股份有限公司 | Instrument board beam |
| CN104627248A (en) * | 2013-11-14 | 2015-05-20 | 上海汽车集团股份有限公司 | Combined instrument board beam and automobile with combined instrument board beam |
| CN205256456U (en) * | 2015-12-09 | 2016-05-25 | 上海和达汽车配件有限公司 | Automobile dashboard beam assembly |
| CN107499387A (en) * | 2017-08-24 | 2017-12-22 | 阿尔特汽车技术股份有限公司 | Automobile magnesium-alloy tube beam mounting structure |
| WO2019224998A1 (en) * | 2018-05-25 | 2019-11-28 | Ykk株式会社 | Slide fastener unit, movement guide device, and movement-guide-device manufacturing method |
| US20220119042A1 (en) * | 2019-07-17 | 2022-04-21 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Cross-member structure for a vehicle |
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Application publication date: 20220513 |