CN213500980U - Structure is repaired to carbon fiber preimpregnation material linear gap - Google Patents
Structure is repaired to carbon fiber preimpregnation material linear gap Download PDFInfo
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- CN213500980U CN213500980U CN202021666457.3U CN202021666457U CN213500980U CN 213500980 U CN213500980 U CN 213500980U CN 202021666457 U CN202021666457 U CN 202021666457U CN 213500980 U CN213500980 U CN 213500980U
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Abstract
The utility model discloses a structure is repaired to carbon fiber prepreg linear gap, it includes two carbon fiber material layers and first repair sheet and the second repair sheet that have plane linear gap between the two, first repair sheet and second repair sheet are for the carbon fiber prepreg who is made by the carbon fiber fabric with the same type of carbon fiber material layer, first repair sheet and second repair sheet cover plane linear gap ground bond respectively in two carbon fiber material layer's both sides, the extending direction in plane linear gap is followed to the length direction of first repair sheet and second repair sheet, the width of first repair sheet is greater than the width that the sheet was repaired to the second. The utility model discloses a structure is repaired to carbon fiber preimpregnation material linear gap, the regional intensity of stack repair is greater than the regional intensity of individual layer carbon fiber sheet non-repair, can stably resume structural strength, and weight gain proportion is less when guaranteeing intensity, effectively repairs the linear crack of carbon fiber goods and raw and other materials, improves economic benefits, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of the carbon fiber, especially, relate to a structure is repaired to carbon fiber preimpregnation material linear gap.
Background
The carbon fiber product may have defects such as local damage, microcrack gap and the like in use, if the damaged part cannot be repaired in time, the normal use performance of the carbon fiber product is affected, and even the damage development is expanded to cause the damage and the scrapping of the carbon fiber product, thereby causing great economic loss. In addition, the carbon fiber raw material may have defects such as local damage and micro crack gaps, and the defect portion is usually cut and discarded when in use. Therefore, it is necessary to repair crack gaps in carbon fiber products and raw materials.
However, in the existing repairing method for the damage of the carbon fiber product, the weight of the carbon fiber product is greatly increased while the structural strength of the carbon fiber product is recovered, so that the specific strength of the carbon fiber product is reduced, the maintenance and use cost of the carbon fiber product is increased, and the use function of a carbon fiber raw material is weakened.
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a structure is repaired to carbon fiber preimpregnation material linear gap, can effectively repair carbon fiber material's linear crack, can also repair the planar linear concatenation seam that plate carbon fiber board concatenation formed, repair regional intensity and be greater than individual layer carbon fiber material intensity, weight gain proportion is less when guaranteeing intensity, can stably resume structural strength, greatly reduced carbon fiber product's maintenance and use cost, reduce the waste of carbon fiber raw and other materials, strengthen the service function of carbon fiber raw and other materials, and economic benefits is improved, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.
In order to achieve the above object, the utility model provides a structure is repaired to carbon fiber prepreg linear gap, include two carbon fiber material layers that have plane linear gap between the two, its characterized in that, the structure is repaired to carbon fiber prepreg linear gap still includes first repair sheet and second repair sheet, first repair sheet with the second repair sheet be by with the carbon fiber prepreg that the carbon fiber fabric of the same type of carbon fiber material layer was made, first repair sheet with the second repair sheet covers fixed connection is in two respectively in plane linear gap the both sides of carbon fiber material layer, first repair sheet with the length direction of second repair sheet is followed the extending direction in plane linear gap, the width of first repair sheet is greater than the width of second repair sheet.
In one example, the planar linear slit is a linear slit or a curved slit.
In one example, the width of the planar linear gap is 0-3 mm.
In one example, the first and second repair sheets have a thickness of 0 to 1mm, and the first repair sheet has the same thickness as the second repair sheet.
In one example, the width of the first repair sheet is 40 to 60mm, and the width of the second repair sheet is 10 to 20 mm.
In one example, the first and second repair sheets have the same carbon fiber direction as the carbon fiber direction of the carbon fiber material layer.
Through the utility model provides a carbon fiber prepreg linear gap repair structure can bring following beneficial effect:
1. through the repair sheet stack that adopts the different width of two-layer homogeneous material to bond in carbon fiber material layer's concatenation seam or crack both sides, stack repair regional intensity is greater than the regional intensity of individual layer carbon fiber sheet non-repair, can stably resume structural strength, weight gain proportion is less when guaranteeing intensity, effectively repair the linear crack of carbon fiber product and raw and other materials, and repair the linear concatenation seam in plane that plate carbon fiber board concatenation formed, greatly reduced carbon fiber product's maintenance and use cost, reduce the waste of carbon fiber raw and other materials, strengthen the service function of carbon fiber raw and other materials, economic benefits is improved, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.
2. The thickness dimension of first repair sheet and second repair sheet can be when guaranteeing to repair intensity, effectively reduces the weight increase proportion, can make the repair region obtain the best weight intensity ratio, and the concatenation repair effect is better, can stably resume structural strength, greatly reduced carbon fiber products's maintenance and use cost reduce the waste of carbon fiber raw and other materials, and the practicality is strong.
3. The width size of first repair sheet and second repair sheet can make the repair area obtain the best weight intensity ratio, effectively guarantees the concatenation and repairs intensity, and the stable structural strength that resumes reduces the material use amount of repairing the sheet greatly, reduces the weight gain proportion greatly, and the concatenation repair effect is better, greatly reduced carbon fiber products's maintenance and use cost, the waste of the carbon fiber raw and other materials of reduction, and the practicality is strong.
4. The carbon fiber direction of the first repairing sheet and the second repairing sheet is the same as the carbon fiber direction of the carbon fiber material layer, so that the first repairing sheet and the second repairing sheet are stressed, the structural strength of the repairing sheet and the material using amount of the repairing sheet are guaranteed, the weight increase proportion is greatly reduced, and the splicing repairing effect is better.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic view of a carbon fiber prepreg linear gap repairing structure of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a linear gap repairing structure for a carbon fiber prepreg, which includes two carbon fiber material layers 1 having a planar linear gap 11 therebetween, and a first repairing sheet 2 and a second repairing sheet 3, wherein the first repairing sheet 2 and the second repairing sheet 3 are carbon fiber prepregs made of carbon fiber fabrics of the same type as the carbon fiber material layer 1; the first repairing sheet 2 and the second repairing sheet 3 are respectively overlapped, adhered and fixed on two sides of the two carbon fiber material layers 1 in a way of covering the plane linear gap 11, the length direction of the first repairing sheet 2 and the second repairing sheet 3 is along the extension direction of the plane linear gap, and the width of the first repairing sheet 2 is larger than that of the second repairing sheet 3. Through the repair sheet stack that adopts the different width of two-layer homogeneous material to bond in carbon fiber material layer 1's concatenation seam or crack both sides, stack repair regional intensity is greater than the regional intensity of individual layer carbon fiber sheet non-repair, can stably resume structural strength, weight gain proportion is less when guaranteeing intensity, thereby effectively repair the linear crack of carbon fiber product and raw and other materials, and repair the linear concatenation seam in plane that plate carbon fiber panel concatenation formed, greatly reduced carbon fiber product's maintenance and use cost, reduce the waste of carbon fiber raw and other materials, strengthen the service function of carbon fiber raw and other materials, and economic benefits is improved, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.
The utility model discloses a linear gap repair structure of carbon fiber prepreg can be applied to the production of flat carbon fiber board, splices two flat carbon fiber board and forms the panel that has specific shape, and the intensity in concatenation seam repair area is higher than the intensity in non-seam area, and two carbon fiber material layers 1 belong to two flat carbon fiber board respectively; the method can also be applied to repairing linear cracks and crazes of carbon fiber products and raw materials to ensure the appearance and the use effect, and the two carbon fiber material layers 1 respectively belong to the parts of the same carbon fiber product or raw material, which are positioned at the two sides of the planar linear gap 11.
In one embodiment, the first repairing sheet 2 is symmetrically adhered to both sides of the planar linear gap 11, and the second adhesive sheet 3 is symmetrically adhered to both sides of the planar linear gap 11. Aiming at a layer of damaged carbon fiber prepreg, the first repairing sheet 2 and the second repairing sheet 3 are both made of the same carbon fiber prepreg, are superposed and placed on two sides of the carbon fiber material layer 1 to be repaired according to the structure shown in fig. 1, and are then formed at one time or are bonded and fixed by using light-cured resin.
Specifically, the planar linear slit 11 is a linear slit or a curved slit. The linear gap repair structure of carbon fiber preimpregnation material can be applied to the repair in sharp gap and curve gap, can stably resume structural strength, guarantees the repair effect, and application scope is wider, and the practicality is strong.
Specifically, the width of the planar linear gap 11 is 0-3 mm. The structure is repaired to carbon fiber preimpregnation material linear gap is suitable for repairing width for 0 ~ 3 mm's concatenation seam and crack, can stably resume structural strength, effectively repairs the linear crack of carbon fiber product and raw and other materials and the linear concatenation seam in plane that plate carbon fiber panel concatenation formed, greatly reduced carbon fiber product's maintenance and use cost reduce the waste of carbon fiber raw and other materials, the service function of reinforcing carbon fiber raw and other materials, and the practicality is strong.
Specifically, the thickness of the first repairing sheet 2 and the second repairing sheet 3 is 0-1 mm, and the thickness of the first repairing sheet 2 is the same as that of the second repairing sheet 3. Can be when guaranteeing repair intensity, effectively reduce weight increase proportion, can make the repair area obtain the best weight strength ratio, the concatenation repair effect is better, can stably resume structural strength, greatly reduced carbon fiber products's maintenance and use cost reduce the waste of carbon fiber raw and other materials, and the practicality is strong.
In a particular embodiment, the thickness of the first and second repair sheets 2, 3 is the same as the thickness of the layer of carbon fibre material 1.
Specifically, the width of the first repairing sheet 2 is 40 to 60mm, and the width of the second repairing sheet 3 is 10 to 20 mm. The width dimension of first repair sheet 2 and second repair sheet 3 can make the repair area obtain the best weight intensity ratio, effectively guarantees the concatenation and repairs intensity, and the stable structural strength that resumes, the material use amount of the repair sheet that significantly reduces greatly reduces, the weight gain proportion that significantly reduces, concatenation repair effect is better, greatly reduced carbon fiber products's maintenance and use cost, the waste of the carbon fiber raw and other materials that reduces, and the practicality is strong.
In a particular embodiment, the width of the first repair sheet 2 is at least twice the width of the second repair sheet 3.
Specifically, the carbon fiber direction of first repair sheet 2 and second repair sheet 3 is the same with carbon fiber material layer 1's carbon fiber direction, is favorable to first repair sheet 2 and second to repair sheet 3 atress, is favorable to guaranteeing to repair structural strength and the material use amount that reduces the repair sheet, reduces the weight gain proportion greatly, and the concatenation repair effect is better, and the practicality is strong.
In a specific embodiment, the first repair sheet 2, the second repair sheet 3, and the carbon fiber sheet 1 are made of uniaxial carbon fiber cloth, and the bonding direction of the first repair sheet 2 and the second repair sheet 3 is determined according to the uniaxial direction of the carbon fiber sheet 1.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to 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 scope of the claims of the present invention.
Claims (6)
1. A linear gap repairing structure of carbon fiber prepreg comprises two carbon fiber material layers with a planar linear gap between the two carbon fiber material layers, it is characterized in that the linear gap repairing structure of the carbon fiber prepreg further comprises a first repairing sheet and a second repairing sheet, the first and second repair sheets are carbon fiber prepregs made of a carbon fiber fabric of the same type as the carbon fiber material layer, the first repairing sheet and the second repairing sheet are respectively fixedly connected with two sides of the two carbon fiber material layers, and the first repairing sheet and the second repairing sheet respectively cover the plane linear gap, the first repairing sheet and the second repairing sheet respectively extend along the length direction of the planar linear gap, and the width of the first repairing sheet is larger than that of the second repairing sheet.
2. The linear gap repairing structure for carbon fiber prepregs according to claim 1, wherein the planar linear gap is a linear gap or a curved gap.
3. The linear gap repairing structure of carbon fiber prepreg according to claim 1, wherein the width of the planar linear gap is 0-3 mm.
4. The linear gap repairing structure of the carbon fiber prepreg according to claim 1, wherein the thickness of the first repairing sheet and the second repairing sheet is 0 to 1mm, and the thickness of the first repairing sheet is the same as the thickness of the second repairing sheet.
5. The linear gap repairing structure of the carbon fiber prepreg according to claim 1, wherein the width of the first repairing sheet is 40-60 mm, and the width of the second repairing sheet is 10-20 mm.
6. The carbon fiber prepreg linear gap repair structure according to any one of claims 1 to 5, wherein a carbon fiber direction of the first repair sheet and the second repair sheet is the same as a carbon fiber direction of the carbon fiber material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021666457.3U CN213500980U (en) | 2020-08-12 | 2020-08-12 | Structure is repaired to carbon fiber preimpregnation material linear gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021666457.3U CN213500980U (en) | 2020-08-12 | 2020-08-12 | Structure is repaired to carbon fiber preimpregnation material linear gap |
Publications (1)
| Publication Number | Publication Date |
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| CN213500980U true CN213500980U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021666457.3U Active CN213500980U (en) | 2020-08-12 | 2020-08-12 | Structure is repaired to carbon fiber preimpregnation material linear gap |
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- 2020-08-12 CN CN202021666457.3U patent/CN213500980U/en active Active
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