CN214565683U - Carbon fiber front cover of hydrogen fuel cell automobile - Google Patents
Carbon fiber front cover of hydrogen fuel cell automobile Download PDFInfo
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- CN214565683U CN214565683U CN202022903157.9U CN202022903157U CN214565683U CN 214565683 U CN214565683 U CN 214565683U CN 202022903157 U CN202022903157 U CN 202022903157U CN 214565683 U CN214565683 U CN 214565683U
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Abstract
The utility model discloses a carbon fiber front cover of a hydrogen fuel cell automobile, which comprises a cover outer plate and a cover inner plate which are connected by an adhesive; the positioning mechanism is arranged on the bonding surface of the outer plate of the machine cover, is positioned at the rear side of the outer plate of the machine cover, is close to the front windshield and is positioned at the Y-direction central position of the outer plate of the machine cover; a plurality of LOGO mounting and positioning holes are formed in the position of a central LOGO at the front side of the outer plate of the machine cover; the bonding surface of the cover inner plate is provided with a limiting mechanism, the limiting mechanism is positioned at the rear side of the cover inner plate, close to the front windshield and positioned on the Y-direction central position of the cover inner plate, the position of the limiting mechanism on the cover inner plate corresponds to the position of the positioning mechanism on the cover outer plate, and the limiting mechanism is matched with the positioning mechanism; the cover inner plate is provided with a process hole, and the process hole is positioned in the front side area of the cover inner plate and is positioned in the Y-direction central position of the cover inner plate. The carbon fiber front cover adopts a positioning mode with the Y-direction central position characteristic as a reference, and the manufacturing precision is greatly improved.
Description
Technical Field
The utility model relates to a hydrogen can automobile parts technical field, especially relates to a cover before carbon fiber of hydrogen fuel cell car.
Background
With the rise of new energy automobiles, the weight reduction of automobiles is emphasized by various large host factories, more and more lightweight materials are applied to automobile products, and carbon fiber composite materials are preferred materials for the weight reduction of automobiles due to excellent high specific modulus, high specific strength and designability.
At present, a host factory applying a large amount of carbon fiber composite materials to automobile products is mainly an European and American super-run brand, related design and manufacturing technologies are mature, the application of the carbon fiber composite materials to automobiles is still in a starting stage in China, and the structural design capability of the carbon fiber composite material automobile products needs to be further improved and perfected.
The manufacturing process of the carbon fiber composite material is essentially different from the traditional processes such as plastic injection molding, sheet metal stamping and the like, so that the structural design of the carbon fiber composite material product is different from the structural design of a plastic part and a sheet metal part in the design principle. Cover is connected through borduring by planking and inner panel before traditional car panel beating, and planking and inner panel are all through stamping process shaping, and the interior planking of cover is unable through borduring the connection because of the material nature reason before the carbon fiber, and most of them pass through adhesive bonding connection.
If planking all is according to traditional panel beating structural design in the carbon-fibre composite cover, then the cover planking when bonding with the cover inner panel, the locate mode of cover planking can only be fixed a position through the outward flange profile of product, and solitary carbon-fibre cover outer panel size is great and be thin wall spare (soft partially), secondly the face precision of carbon-fibre spare shaping back itself is just not high, go out the mould after through the machining side cut, the precision of side cut also can be too high, so when utilizing its outward flange profile to fix a position, the uniformity of location is relatively poor, and then the uniformity that leads to the carbon fiber front cover assembly size after bonding is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art current situation, provide a cover before carbon fiber of hydrogen fuel cell car, adopt to use Y to the mode of the location of central point characteristic as the benchmark, greatly improved the precision that the cover was made before the carbon fiber.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a carbon fiber front cover of a hydrogen fuel cell automobile comprises a cover outer plate and a cover inner plate, wherein the cover outer plate is connected with the cover inner plate through an adhesive;
the positioning mechanism is arranged on the bonding surface of the cover outer plate, is positioned at the rear side of the cover outer plate close to the front windshield and is positioned at the Y-direction central position of the cover outer plate, and is used as a main positioning reference of the cover outer plate when the cover outer plate is bonded with the cover inner plate;
a plurality of LOGO mounting and positioning holes are formed in the position of a central LOGO at the front side of the outer plate of the machine cover and used for fixing the LOGO of a hydrogen energy automobile, and when the outer plate of the machine cover is bonded with the inner plate of the machine cover, the LOGO mounting and positioning hole which is positioned on the Y-direction central position of the outer plate of the machine cover and is farthest from the positioning mechanism is used as a secondary positioning reference of the outer plate of the machine cover;
the bonding surface of the cover inner plate is provided with a limiting mechanism, the limiting mechanism is positioned at the rear side of the cover inner plate, close to the front windshield and positioned on the Y-direction central position of the cover inner plate, the position of the limiting mechanism on the cover inner plate corresponds to the position of the positioning mechanism on the cover outer plate, the limiting mechanism is matched with the positioning mechanism, and when the cover outer plate is bonded with the cover inner plate, the limiting mechanism is used as the main positioning reference of the cover inner plate;
the technical hole is formed in the inner plate of the cover, the technical hole is located in the front side area of the inner plate of the cover and located in the Y-direction central position of the inner plate of the cover, and when the outer plate of the cover is bonded with the inner plate of the cover, the technical hole serves as an auxiliary positioning reference of the inner plate of the cover.
Furthermore, the positioning mechanism is of a boss structure, and the limiting mechanism is of an opening structure.
Furthermore, the positioning mechanism on the outer plate of the machine cover, the LOGO mounting and positioning hole and the limiting mechanism and the process hole on the inner plate of the machine cover are all manufactured through a die cavity.
The utility model has the advantages that:
the utility model discloses redesigned the main positioning benchmark of planking in the cover, the cover planking borrows LOGO installation locating hole as its vice location benchmark simultaneously, is different from traditional cover and fixes a position with face or edge profile, better assurance the uniformity of product assembly, has greatly improved the precision that the planking bonded in the cover.
Drawings
FIG. 1 is a schematic structural view of a carbon fiber front cover of the present invention;
FIG. 2 is a schematic structural view of the outer plate of the cover of the present invention and an enlarged view of the positioning mechanism and the LOGO mounting positioning hole;
fig. 3 is a schematic structural diagram of the inner plate of the cover of the present invention and an enlarged view of the position-limiting mechanism and the process hole.
Description of the labeling: 1. cover before the carbon fiber, 2, cover planking, 3, LOGO installation locating hole, 4, positioning mechanism, 5, cover inner panel, 6, fabrication hole, 7, stop gear.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1-3, a carbon fiber front cover of a hydrogen fuel cell vehicle, in which fig. 1 shows the X direction, Y direction, and Z direction of the carbon fiber front cover 1, the carbon fiber front cover 1 includes a cover outer plate 2 and a cover inner plate 5, and the cover outer plate 2 is connected to the cover inner plate 5 by an adhesive.
Be equipped with positioning mechanism 4 on the face of bonding of cover planking 2, positioning mechanism 4 is located cover planking 2 rear sides and is close to front windshield department, and is located cover planking 2Y to central point put, when cover planking 2 bonds with cover inner panel 5 mutually, and positioning mechanism 4 is as the main positioning benchmark of cover planking 2. The positioning mechanism 4 is a boss structure, and its expression forms include but are not limited to a rectangular boss, a conical boss, and a trapezoidal boss.
2 front side center LOGO positions of cover planking are equipped with a plurality of LOGO installation locating holes 3, and LOGO installation locating hole 3 is used for the LOGO of fixed hydrogen energy car, and when cover planking 2 bonded with cover inner panel 5 mutually, the Y that one was located cover planking 2 was put the distance to the central point the LOGO installation locating hole 3 of 4 farthest of positioning mechanism is as the vice location benchmark of cover planking 2, that is to say, the LOGO installation locating hole 3 of selecting as vice location benchmark with the relative distance of positioning mechanism 4 is far away as better, can make the error reduce more. The expression form of the LOGO mounting and positioning hole 3 comprises but is not limited to a round hole, a long round hole, a square hole and a rectangular hole.
Be equipped with stop gear 7 on the bonding face of cover inner panel 5, stop gear 7 is located cover inner panel 5 rear side and is close to front windshield department, and be located the Y of cover inner panel 5 and put to central point, stop gear 7 is corresponding with the position of positioning mechanism 4 on cover planking 2 in the position of cover inner panel 5, and stop gear 7 and positioning mechanism 4 phase-match, fit clearance between them is 0.05mm at least, ensure the relative position of cover planking 2 and cover inner panel 5, when cover planking 2 bonds with cover inner panel 5, stop gear 7 is as the main positioning benchmark of cover inner panel 5. The limiting mechanism 7 is an opening structure, and its expression forms include but are not limited to a rectangular opening, a splayed opening, and a trapezoidal opening.
The cover inner plate 5 is provided with a process hole 6, the process hole 6 is positioned in the front side area of the cover inner plate 5 and is positioned on the Y-direction central position of the cover inner plate 5, and when the cover outer plate 2 is bonded with the cover inner plate 5, the process hole 6 is used as an auxiliary positioning reference of the cover inner plate 5. The expression of the fabrication hole 6 includes, but is not limited to, a kidney-shaped hole, a round hole, and a rectangular hole.
Preferably, the positioning mechanism 4 and the LOGO mounting and positioning hole 3 on the outer cover plate 2, and the limiting mechanism 7 and the fabrication hole 6 on the inner cover plate 5 are manufactured through a mold cavity, so that the accuracy of the characteristics is guaranteed.
Referring to fig. 2-3, in one embodiment, the positioning mechanism 4 and the LOGO installation positioning hole 3 on the outer cover plate 2, and the limiting mechanism 7 and the fabrication hole 6 on the inner cover plate 5 have the following structures:
the bonding surface of the outer cover plate 2 is positioned at the rear side of the outer cover plate 2 close to the front windshield, and a rectangular boss with the length of 30mm and the width of 20mm (length and width) is arranged at the Y-direction central position of the outer cover plate 2;
the position of a LOGO at the center of the front side of the outer plate 2 of the machine cover is provided with 4 LOGO mounting and positioning holes 3 with the diameter of 5 mm;
the bonding surface of the cover inner plate 5 is positioned at the rear side of the cover inner plate 5 close to the front windshield and a rectangular opening of 30.1mm by 20.1mm (length by width) is arranged at the Y-direction central position of the cover inner plate 5;
the cover inner plate 5 is positioned in the front side area of the cover inner plate 5 and is provided with a waist-shaped hole in the Y-direction central position of the cover inner plate 5.
Specifically, the tooling method for the carbon fiber front cover of the hydrogen fuel cell automobile comprises the following steps:
s1, using the rectangular boss as the main positioning reference of the outer plate 2 of the machine cover, using the LOGO mounting positioning hole 3 which is located at the Y-direction central position of the outer plate 2 of the machine cover and is farthest from the rectangular boss as the auxiliary positioning reference of the outer plate 2 of the machine cover, meanwhile, adding a Z-direction clamping reference on the periphery of the outer plate 2 of the machine cover, and positioning and fixing the outer plate 2 of the machine cover through a clamp;
s2, taking a rectangular open slot as a main positioning reference of the inner cover plate 5, taking a waist-shaped hole as an auxiliary positioning reference of the inner cover plate 5, meanwhile, additionally arranging a Z-direction clamping reference on the periphery of the inner cover plate 5, and positioning and fixing the inner cover plate 5 through a clamp;
s3, after the cover outer plate 2 and the cover inner plate 5 are positioned and fixed respectively according to the methods of the step S1 and the step S2, coating an adhesive on the bonding surface of the cover inner plate 5;
s4, after the adhesive is coated, splicing and bonding the outer plate 2 and the inner plate 5 of the machine cover through a bonding clamp, and maintaining the clamping state of the bonding clamp until the adhesive is cured;
and S5, opening the bonding clamp, and taking out the carbon fiber cover 1 which is spliced and bonded.
The utility model discloses redesigned the main positioning benchmark of planking in the cover, cover planking 2 borrows LOGO installation locating hole 3 as its vice positioning benchmark simultaneously, is different from traditional cover and fixes a position with face or edge profile, the better uniformity of having guaranteed product assembly, has greatly improved the precision that the planking bonded in the cover.
Of course, the above is only the preferred embodiment of the present invention, and the application range of the present invention is not limited thereto, so all the equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a cover before carbon fiber of hydrogen fuel cell car, includes cover planking and cover inner panel, and the cover planking passes through the adhesive with the cover inner panel and is connected its characterized in that:
the positioning mechanism is arranged on the bonding surface of the cover outer plate, is positioned at the rear side of the cover outer plate close to the front windshield and is positioned at the Y-direction central position of the cover outer plate, and is used as a main positioning reference of the cover outer plate when the cover outer plate is bonded with the cover inner plate;
a plurality of LOGO mounting and positioning holes are formed in the position of a central LOGO at the front side of the outer plate of the machine cover and used for fixing the LOGO of a hydrogen energy automobile, and when the outer plate of the machine cover is bonded with the inner plate of the machine cover, the LOGO mounting and positioning hole which is positioned on the Y-direction central position of the outer plate of the machine cover and is farthest from the positioning mechanism is used as a secondary positioning reference of the outer plate of the machine cover;
the bonding surface of the cover inner plate is provided with a limiting mechanism, the limiting mechanism is positioned at the rear side of the cover inner plate, close to the front windshield and positioned on the Y-direction central position of the cover inner plate, the position of the limiting mechanism on the cover inner plate corresponds to the position of the positioning mechanism on the cover outer plate, the limiting mechanism is matched with the positioning mechanism, and when the cover outer plate is bonded with the cover inner plate, the limiting mechanism is used as the main positioning reference of the cover inner plate;
the technical hole is formed in the inner plate of the cover, the technical hole is located in the front side area of the inner plate of the cover and located in the Y-direction central position of the inner plate of the cover, and when the outer plate of the cover is bonded with the inner plate of the cover, the technical hole serves as an auxiliary positioning reference of the inner plate of the cover.
2. The carbon fiber front cover of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the positioning mechanism is of a boss structure, and the limiting mechanism is of an opening structure.
3. The carbon fiber front cover of a hydrogen fuel cell vehicle according to claim 2, characterized in that: the positioning mechanism on the outer plate of the machine cover, the LOGO mounting and positioning hole, and the limiting mechanism and the process hole on the inner plate of the machine cover are all manufactured through a die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022903157.9U CN214565683U (en) | 2020-12-04 | 2020-12-04 | Carbon fiber front cover of hydrogen fuel cell automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022903157.9U CN214565683U (en) | 2020-12-04 | 2020-12-04 | Carbon fiber front cover of hydrogen fuel cell automobile |
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| CN214565683U true CN214565683U (en) | 2021-11-02 |
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| CN202022903157.9U Active CN214565683U (en) | 2020-12-04 | 2020-12-04 | Carbon fiber front cover of hydrogen fuel cell automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550473A (en) * | 2020-12-04 | 2021-03-26 | 武汉格罗夫氢能汽车有限公司 | Carbon fiber front cover of hydrogen fuel cell automobile and tooling method thereof |
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2020
- 2020-12-04 CN CN202022903157.9U patent/CN214565683U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550473A (en) * | 2020-12-04 | 2021-03-26 | 武汉格罗夫氢能汽车有限公司 | Carbon fiber front cover of hydrogen fuel cell automobile and tooling method thereof |
| CN112550473B (en) * | 2020-12-04 | 2024-04-12 | 武汉格罗夫氢能汽车有限公司 | Carbon fiber front cover of hydrogen fuel cell automobile and tooling method thereof |
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