CN212401369U - Instrument board crossbeam and header board - Google Patents
Instrument board crossbeam and header board Download PDFInfo
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- CN212401369U CN212401369U CN202022110119.8U CN202022110119U CN212401369U CN 212401369 U CN212401369 U CN 212401369U CN 202022110119 U CN202022110119 U CN 202022110119U CN 212401369 U CN212401369 U CN 212401369U
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Abstract
The application provides an instrument board beam and an automobile instrument board, which comprise a main beam, a steering wheel bracket and a support frame; the main beam comprises a metal pipe, the metal pipe comprises a first pipe section and a second pipe section which are connected, and the first cross section of the first pipe section is larger than the second cross section of the second pipe section; the steering wheel support is connected with the first pipe section, and the support frame is simultaneously connected with the first pipe section and the second pipe section; wherein the first cross section is a section perpendicular to the extending direction of the first pipe section; the second cross section is a section perpendicular to the direction of extension of the second tube section. High structural strength and light weight.
Description
Technical Field
The utility model relates to a vehicle manufacturing field particularly, relates to an instrument board crossbeam and header board.
Background
Due to global requirements on automobile emission and the rise of new energy automobiles, the light weight of automobiles is more and more emphasized by various automobile host factories and primary manufacturers, and the light weight requirements cannot be met by simply depending on traditional metal materials such as structural steel, aluminum alloy and the like. Therefore, the concept of replacing steel with plastic is gradually realized, so that the application of engineering plastics and corresponding reinforced plastics on automobiles is wider and wider, and the injection molding process is also rapidly developed. The automobile instrument board beam is used for supporting an instrument board framework, and is made by combining plastic and metal at present.
The inventor researches and discovers that the existing automobile instrument panel cross beam has the following defects:
the weight is heavy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an instrument board crossbeam, its light in weight.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides an instrument panel beam, including:
the main beam, the steering wheel bracket and the support frame;
the main beam comprises a metal pipe, the metal pipe comprises a first pipe section and a second pipe section which are connected, and the first cross section of the first pipe section is larger than the second cross section of the second pipe section; the steering wheel support is connected with the first pipe section, and the support frame is simultaneously connected with the first pipe section and the second pipe section;
wherein the first cross section is a section perpendicular to the extending direction of the first pipe section; the second cross section is a section perpendicular to the direction of extension of the second tube section.
In alternative embodiments, the cross-sectional shape of the first tube segment is circular, triangular, square, or hexagonal;
and/or the cross-sectional shape of the second tube section is circular, triangular, square or hexagonal.
In an alternative embodiment, the metal pipe further comprises a transition pipe section, a first end of the transition pipe section is communicated with the first pipe section, a second end of the transition pipe section is communicated with the second pipe section, and the cross section of the transition pipe section is gradually reduced in the direction from the first end to the second end;
the cross-plane of the transition duct section is a cross-section perpendicular to the extension of the transition duct section.
In an alternative embodiment, the tube wall of the metal tube is provided with a positioning part.
In an optional embodiment, the main beam further includes a plastic pipe, the plastic pipe includes a first sleeving section and a second sleeving section connected to each other, the first sleeving section is sleeved outside the first pipe section, the second sleeving section is sleeved outside the second pipe section, and a cross section of the first sleeving section is larger than a cross section of the second sleeving section.
In an optional embodiment, at least one end of the metal tube is provided with an opening, and the end face where the opening is located is provided with a clamping groove; the plastic pipe is clamped with the clamping groove.
In an alternative embodiment, the number of the clamping grooves is multiple, and the multiple clamping grooves are arranged at intervals in the circumferential direction of the metal pipe.
In an alternative embodiment, the wall thickness of the plastic tube between the side of the support frame remote from the second tube section and the end of the first tube section remote from the second tube section is 2.5mm-3.5 mm; the thickness of the pipe wall of the rest part of the plastic pipe is 1.5mm-2.5 mm.
In an alternative embodiment, the maximum distance between two points on the first cross-section is 2mm-20mm greater than the maximum distance between two points on the second cross-section.
In an alternative embodiment, the instrument panel cross member further includes a first end plate coupled to an end of the first tube segment remote from the second tube segment and a second end plate coupled to an end of the second tube segment remote from the first tube segment.
In a second aspect, an embodiment of the present invention provides an automobile dashboard, including the dashboard beam mentioned above.
The embodiment of the utility model provides a beneficial effect is:
in summary, the instrument panel beam provided by this embodiment includes the girder, and the girder includes the tubular metal resonator, and the tubular metal resonator includes first pipe section and the second pipe section that links to each other, and the cross section of first pipe section is greater than the cross section of second pipe section, and the structural strength of first pipe section is higher than the structural strength of second pipe section. On the first pipe section was located to the steering wheel support, because first pipe section structural strength is high, the atress is good, can bear the weight of steering wheel support and steering wheel, and difficult quilt damages, satisfies the user demand. Meanwhile, because the external force that the second pipe section needs to bear in the use is less than the external force of first pipe section, consequently, design the cross section of second pipe section for being less than the cross section of first pipe section, both guaranteed that the girder has sufficient intensity, still reduced the consumptive material of girder to the weight of girder has been alleviateed, the weight of instrument board crossbeam has finally been alleviateed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of an instrument panel beam according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a metal pipe according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of a metal pipe according to an embodiment of the present invention;
fig. 4 is a front view of an instrument panel beam according to an embodiment of the present invention;
fig. 5 is a schematic sectional view along the direction a-a in fig. 4.
Icon:
100-main beam; 110-a metal tube; 111-a first tube section; 1111 — a first port; 112-a second tube section; 1121 — a second port; 113-a transition section; 114-a positioning section; 115-a card slot; 120-a plastic tube; 200-a steering wheel support; 300-a support frame; 400-a first end plate; 500-a second end plate; 600-functional scaffold.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present embodiment provides an instrument panel beam, which has high structural strength and light weight, and can reduce the weight of a vehicle to meet the manufacturing requirement of vehicle light weight.
Referring to fig. 1 and 2, in the present embodiment, the dashboard cross member includes a main beam 100, a steering wheel support 200, and a support frame 300;
the girder 100 comprises a metal pipe 110, the metal pipe 110 comprises a first pipe section 111 and a second pipe section 112 which are connected, and a first cross section of the first pipe section 111 is larger than a second cross section of the second pipe section 112; the steering wheel support 200 is connected with the first pipe section 111, and the support frame 300 is simultaneously connected with the first pipe section 111 and the second pipe section 112;
wherein the first cross section is a section perpendicular to the extension direction of the first tube section 111; the second cross section is a section perpendicular to the extension of the second tube section 112.
It should be noted that the first cross section is larger than the second cross section, i.e. the area of the outer contour of the first cross section is larger than the area of the outer contour of the second cross section.
In this embodiment, the instrument panel cross member includes a main member 100, the main member 100 includes a metal pipe 110, the metal pipe 110 includes a first pipe section 111 and a second pipe section 112 connected, and a cross section of the first pipe section 111 is larger than a cross section of the second pipe section 112, so that a structural strength of the first pipe section 111 is higher than a structural strength of the second pipe section 112. On steering wheel support 200 located first pipeline section 111, because first pipeline section 111 structural strength is high, the atress is good, can bear the weight of steering wheel support 200 and steering wheel, and difficult quilt damages, satisfies the user demand.
Meanwhile, because the external force required to be borne by the second pipe section 112 in the using process is smaller than the external force of the first pipe section 111, the cross section of the second pipe section 112 is designed to be smaller than the cross section of the first pipe section 111, so that the main beam 100 is ensured to have enough strength, the consumable materials of the main beam 100 are reduced, the weight of the main beam 100 is reduced, and finally the weight of the instrument panel beam is reduced.
In this embodiment, optionally, the first tube section 111 and the second tube section 112 are integrally formed, so that the structural strength is high and the tube section is not easily damaged.
Alternatively, the cross-sectional shapes of the first tube segment 111 and the second tube segment 112 may be the same, for example, the cross-sectional shapes of the first tube segment 111 and the second tube segment 112 may be circular, oval, square, triangular, or the like. Obviously, the cross-sectional shapes of the first tube segment 111 and the second tube segment 112 can be set differently, as needed.
Referring to fig. 5, for example, in the present embodiment, the first pipe section 111 and the second pipe section 112 are regular hexagonal pipes.
In this embodiment, the first pipe section 111 and the second pipe section 112 are coaxially disposed, and the metal pipe 110 is formed in one step by using a pipe shrinking process.
Optionally, the wall thicknesses of the first pipe section 111 and the second pipe section 112 are set to be the same, the wall thicknesses of the first pipe section 111 and the second pipe section 112 are 1.0-2.0mm, and optionally, the wall thicknesses of the first pipe section 111 and the second pipe section 112 are 1.4-1.6 mm. For example, the wall thickness of each of the first tube section 111 and the second tube section 112 may be 1.0mm, 1.4mm, 1.6mm, or 2.0 mm.
It should be appreciated that in other embodiments, the wall thicknesses of first tube segment 111 and second tube segment 112 may be configured differently.
Optionally, the maximum distance between two points on the first cross-section of the first tube segment 111 is 2mm-20mm larger than the maximum distance between two points on the second cross-section of the second tube segment 112, which may be 2mm, 11mm or 20mm, for example. In other words, the first cross section and the second cross section are regular hexagons, the maximum distance of the first cross section is the distance between two opposite corners, and the maximum distance of the second cross section is the distance between two opposite corners.
The first pipe section 111 and the second pipe section 112 are both provided with positioning parts 114, and the positioning parts 114 are used for abutting against the supporting parts, so that in the injection molding process, the supporting parts are used for supporting the metal pipe 110, the metal pipe 110 is suspended, the position of the metal pipe 110 is stable and reliable, and the subsequent processing and manufacturing of the instrument panel beam are facilitated.
Optionally, the number of the positioning portions 114 on the first pipe section 111 and the second pipe section 112 may be multiple, and the multiple positioning portions 114 are uniformly arranged at intervals along the extending direction of the first pipe section 111 or the second pipe section 112.
Referring to fig. 3, in the present embodiment, an end of the first tube section 111 away from the second tube section 112 is a first port 1111, and an end surface of the first port 1111 is provided with a locking groove 115. The end of the second pipe section 112 away from the first pipe section 111 is a second port 1121, and a locking groove 115 is disposed on the end surface of the second port 1121. The number of the card slots 115 of the first port 1111 and the second port 1121 can be multiple, and the card slots 115 located at the same port are evenly arranged along the circumferential direction of the port at intervals.
In this embodiment, the metal pipe 110 further includes a transition pipe section 113 connected to both the first pipe section 111 and the second pipe section 112, and the cross section of the transition pipe section 113 is gradually reduced from the first port 1111 to the second port 1121. Through the arrangement of the transition pipe section 113, the first pipe section 111 and the second pipe section 112 are in smooth transition, and are not easy to crack at the transition part of the first pipe section 111 and the second pipe section 112, so that the structure is firmer.
Optionally, the transition pipe section 113 is a tapered pipe or the like.
Referring to fig. 4 and 5, in the present embodiment, the instrument panel beam further includes a plastic pipe 120, and the plastic pipe 120 is sleeved outside the metal pipe 110.
Alternatively, the plastic tube 120 may be integrally formed with the metal tube 110 by injection molding. During injection molding, the support member is inserted into the positioning portion 114 of the metal tube 110, the metal tube 110 is positioned by the support member, and then plastic is injected into the metal tube 110 to form the plastic tube 120 outside the metal tube 110. In addition, in the injection molding process, gas with set air pressure can be continuously introduced into the metal tube 110, so that the probability of deformation of the metal tube 110 in the injection molding process can be reduced.
Optionally, when plastic is injected outside the metal tube 110, the outer circumferential surface of the metal tube 110 is treated, and the treatment process may be one or a combination of sand blasting, chemical etching, anodic oxidation, laser processing, and glue coating, and optionally, an anodic oxidation process using an acidic solution is used. The plastic pipe 120 is tightly combined with the outer surface of the metal pipe 110 by matching with the clamping grooves 115 arranged on the two end surfaces of the metal pipe 110, the part of the plastic pipe 120 enters the clamping grooves 115 to form a clamping structure with the metal pipe 110, and the combination of the plastic pipe 120 and the metal pipe 110 is firm and reliable.
It should be noted that the portion of the plastic pipe 120 formed outside the first pipe section 111 is a first socket section, and the portion of the plastic pipe 120 formed outside the second pipe section 112 is a second socket section, and the cross section of the first socket section is larger than that of the second socket section. The first sleeving connection section and the second sleeving connection section are both regular hexagonal tubes and are coaxially arranged.
In addition, a plastic transition socket is formed at the transition pipe section 113, and the transition socket is a tapered pipe.
In this embodiment, the supporting frame 300 is used to connect with the middle channel; the support frame 300 is fixed to both the first pipe section 111 and the second pipe section 112, in other words, the support frame 300 has a first portion fixed to the first pipe section 111 and a second portion fixed to the second pipe section 112, the first portion and the second portion being connected. The wall thickness of the plastic tube 120 of the first socket section between the first port 1111 and the first portion is 2.5mm-3.5mm, for example, it may be 2.5mm, 3.0mm or 3.5mm, etc.; the thickness of the wall of plastic tube 120 between first portion and second port 1121 is 1.5mm-2.5mm, and may be, for example, 1.5mm, 2.0mm, 2.5mm, or the like. When satisfying main girder 100 structural strength and satisfying the requirement, alleviate main girder 100 weight.
In this embodiment, optionally, the instrument panel cross beam further includes a first end plate 400 and a second end plate 500, where the first end plate 400 is fixedly connected to one end of the metal pipe 110 where the first port 1111 is located; the second end plate 500 is fixedly connected to an end of the metal tube 110 where the second port 1121 is located. The first end plate 400 and the second end plate 500 are respectively used for being fixedly connected with the left side wall and the right side wall of the vehicle body.
In this embodiment, the instrument panel cross beam is injection molded by using the metal tube 110 as an insert, that is, the plastic tube 120, the first end plate 400, the second end plate 500, the steering wheel bracket 200, and the support frame 300 are all fixed on the metal tube 110 by injection molding.
In this embodiment, the plastic tube 120, the steering wheel bracket 200, the supporting frame 300, the first end plate 400, and the second end plate 500 may all be made of the same injection molding material, for example, PP +60GF, PA +30CF, where PP +60GF may be used in this embodiment.
Compared with a pure metal part, the instrument panel beam provided by the embodiment has the advantages that the weight is reduced by 15%; the injection molding manufacturing cycle is 120s, and compared with a process that a metal part is formed by welding different metal parts, the process is reduced in working procedure and time.
In other embodiments, the instrument panel cross member may further include a functional bracket 600, and the functional bracket 600 is fixed to the support bracket 300.
In other embodiments, a reinforcing rib structure is disposed outside the metal tube 110, so as to enhance the local strength of the metal tube 110.
In other embodiments, the metal tube 110 may be provided in three or four sections, and the tube diameters of the sections of the metal tube 110 decrease sequentially.
The instrument panel crossbeam that this embodiment provided, structural strength is high, light in weight.
The embodiment also provides an instrument panel, which comprises the instrument panel cross beam mentioned in the embodiment.
The embodiment also provides an automobile comprising the instrument panel.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An instrument panel cross member, comprising:
the main beam, the steering wheel bracket and the support frame;
the main beam comprises a metal pipe, the metal pipe comprises a first pipe section and a second pipe section which are connected, and the first cross section of the first pipe section is larger than the second cross section of the second pipe section; the steering wheel support is connected with the first pipe section, and the support frame is simultaneously connected with the first pipe section and the second pipe section;
wherein the first cross section is a section perpendicular to the direction of extension of the first tube section; the second cross section is a section perpendicular to the direction of extension of the second tube section.
2. The instrument panel beam of claim 1 wherein:
the cross section of the first pipe section is in a circular shape, a triangular shape, a square shape or a hexagonal shape;
and/or the cross-sectional shape of the second tube section is circular, triangular, square or hexagonal.
3. The instrument panel beam of claim 1 wherein:
the metal pipe further comprises a transition pipe section, wherein a first end of the transition pipe section is communicated with the first pipe section, a second end of the transition pipe section is communicated with the second pipe section, and the cross section of the transition pipe section is gradually reduced in the direction from the first end to the second end;
the cross-plane of the transition duct section is a cross-section perpendicular to the extension direction of the transition duct section.
4. The instrument panel beam of claim 1 wherein:
and the pipe wall of the metal pipe is provided with a positioning part which is used for abutting against the supporting piece.
5. The instrument panel beam of claim 1 wherein:
the girder still includes the plastic tubing, the plastic tubing includes continuous first cup jointing section and second cup jointing section, first cup jointing section cover is located outside the first pipeline section, second cup jointing section cover is located outside the second pipeline section, the cross section of first cup jointing section is greater than the cross section of second cup jointing section.
6. The instrument panel cross-member of claim 5, wherein:
at least one end of the metal pipe is provided with an opening, and the end face where the opening is located is provided with a clamping groove; the plastic pipe is clamped with the clamping groove.
7. The instrument panel cross-member of claim 5, wherein:
the pipe wall thickness of the plastic pipe between one side of the support frame, which is far away from the second pipe section, and one end of the first pipe section, which is far away from the second pipe section, is 2.5mm-3.5 mm; the thickness of the pipe wall of the rest part of the plastic pipe is 1.5mm-2.5 mm.
8. The instrument panel beam of claim 1 wherein:
the maximum distance between two points on the first cross section is 2mm-20mm greater than the maximum distance between two points on the second cross section.
9. The instrument panel beam of claim 1 wherein:
the instrument panel cross beam further comprises a first end plate and a second end plate, the first end plate is connected with one end, far away from the second pipe section, of the first pipe section, and the second end plate is connected with one end, far away from the first pipe section, of the second pipe section.
10. An automobile instrument panel, characterized in that it comprises:
the instrument panel beam defined in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110119.8U CN212401369U (en) | 2020-09-22 | 2020-09-22 | Instrument board crossbeam and header board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110119.8U CN212401369U (en) | 2020-09-22 | 2020-09-22 | Instrument board crossbeam and header board |
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| Publication Number | Publication Date |
|---|---|
| CN212401369U true CN212401369U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022110119.8U Active CN212401369U (en) | 2020-09-22 | 2020-09-22 | Instrument board crossbeam and header board |
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| CN (1) | CN212401369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042874A (en) * | 2021-09-24 | 2022-09-13 | 长城汽车股份有限公司 | Instrument board stiffening beam and vehicle |
-
2020
- 2020-09-22 CN CN202022110119.8U patent/CN212401369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042874A (en) * | 2021-09-24 | 2022-09-13 | 长城汽车股份有限公司 | Instrument board stiffening beam and vehicle |
| WO2023045787A1 (en) * | 2021-09-24 | 2023-03-30 | 长城汽车股份有限公司 | Instrument panel reinforcement beam and vehicle |
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