CN213261187U

CN213261187U - Structure is repaired in carbon fiber preimpregnation material hole

Info

Publication number: CN213261187U
Application number: CN202021666365.5U
Authority: CN
Inventors: 朱峰; 常以磊
Original assignee: Vodik Mould Suzhou Co ltd
Current assignee: Vodik Mould Suzhou Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-25
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a structure is repaired to carbon fiber prepreg hole, it repairs the sheet including the carbon fiber material layer and the first sheet of repairing and the second that have local hole, first repair sheet and second repair the carbon fiber prepreg that the sheet was made for the carbon fiber fabric by the same type with the carbon fiber material layer, first repair sheet and second repair the sheet and cover local hole and fixed connection in the both sides of carbon fiber material layer respectively, and the outer contour dimension of first repair sheet is greater than the outer contour dimension that the sheet was repaired to the second. The utility model discloses a structure is repaired to carbon fiber preimpregnation material hole is applicable to the surface maintenance of carbon fiber product and carbon fiber raw and other materials, and 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 carbon fiber material's local hole defect, reduces carbon fiber product's maintenance and use cost, and it is extravagant to reduce carbon fiber raw and other materials.

Description

Structure is repaired in carbon fiber preimpregnation material hole

Technical Field

The utility model belongs to the technical field of the carbon fiber, especially, relate to a structure is repaired to carbon fiber prepreg line hole.

Background

The carbon fiber product may have defects such as local damage and micro holes when 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, so that the carbon fiber product is damaged and scrapped, and great economic loss is caused. In addition, the carbon fiber raw material may have defects such as local damage and micro holes, and the defect portion is usually cut and discarded when in use, and particularly when the defect portion is located in the middle of the material, the carbon fiber raw material may be wholly unusable, which causes great waste. Therefore, it is necessary to repair the holes in the carbon fiber products and the raw materials.

However, in the current repairing method of the carbon fiber product and the raw material, the weight is greatly increased while the structural strength of the carbon fiber product and the raw material is recovered, so that the specific strength of the carbon fiber product and the raw material is reduced, the maintenance and use cost of the carbon fiber product is increased, and the use function of the 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 carbon fiber preimpregnation material hole repair structure is applicable to the surface maintenance of carbon fiber product and raw and other materials, can effectively repair carbon fiber material's local hole defect, repair regional intensity moreover and be greater than individual layer carbon fiber material intensity, weight increase 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, improve economic benefits, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.

In order to realize the above-mentioned purpose, the utility model provides a structure is repaired to carbon fiber prepreg hole, including the carbon fiber material layer that has local hole, a serial communication port, the structure is repaired to carbon fiber prepreg hole still includes first repair sheet and second repair sheet, first repair sheet with the second repair the sheet for by with the carbon fiber fabric of the same type of carbon fiber material layer carbon fiber prepreg that makes, first repair sheet with the second repair the sheet cover local hole and respectively fixed connection in the both sides of carbon fiber material layer, just the outer contour dimension of first repair sheet is greater than the outer contour dimension of sheet is repaired to the second.

In one example, the partial holes are circular or shaped holes.

In one example, the outer diameter of the partial hole is 0-10 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 outer contour shape of the first repairing sheet is the same as that of the second repairing sheet, the outer contour size of the first repairing sheet is 40-60 mm, and the outer contour size of the second repairing sheet is 10-30 mm.

In one example, the outer contour of the first repair sheet and the outer contour of the second repair sheet are circular, and the projection of the center of the circle of the first repair sheet and the second repair sheet is located in the middle of the partial hole.

Through the utility model provides a carbon fiber preimpregnation material hole repair structure can bring following beneficial effect:

1. through adopting the not unidimensional repair sheet stack of two-layer homogeneous material not to bond in carbon fiber material layer's local hole defect both sides, 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, weight gain proportion is less when guaranteeing intensity, thereby effectively repair carbon fiber material's local hole defect, greatly reduced carbon fiber product's maintenance and use cost, reduce the waste of carbon fiber raw and other materials, guarantee outward appearance and result of use, improve economic benefits, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.

2. The carbon fiber prepreg hole repairing structure can be applied to repairing of hole defects in various shapes such as a circular shape or a special shape, can stably recover structural strength, guarantees a repairing effect, and is wide in application range and high in practicability.

3. The first sheet of repairing of the same shape and the atress condition of second repair sheet are the same, effectively guarantee to repair intensity, and the structural strength is resumeed in the stability, and the size of first repair sheet and second repair sheet can make the repair region obtain the best weight strength ratio simultaneously, and the material use amount of the greatly reduced repair sheet reduces the weight increase proportion greatly, and the repair effect is better, 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.

4. The outer contour of the first repairing sheet and the outer contour of the second repairing sheet are circular, stress is more uniform, structural strength of repairing and material usage amount of the repairing sheet are guaranteed, weight increasing proportion is greatly reduced, repairing effect is better, and practicability is high.

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 hole repairing structure of the present invention;

fig. 2 is the utility model discloses a cross-sectional view of structure is repaired to carbon fiber prepreg hole.

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, the embodiment of the present invention provides a carbon fiber prepreg hole repairing structure, which is suitable for surface maintenance of carbon fiber products and carbon fiber raw materials, and includes a carbon fiber material layer 1 having a partial hole 11, 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 cover the partial hole 11 and are respectively fixedly connected to two sides of the carbon fiber material layer 1, and the outer contour dimension of the first repairing sheet 2 is larger than the outer contour dimension of the second repairing sheet 3. Through adopting the not unidimensional repair sheet stack of two-layer homogeneous material not to bond in carbon fiber material layer 1's local hole defect both sides, the regional intensity of stack repair is greater than the regional intensity of individual layer carbon fiber sheet non-repair, can stabilize and resume structural strength, weight gain proportion is less when guaranteeing intensity, thereby effectively repair carbon fiber material's local hole defect, greatly reduced carbon fiber product's maintenance and use cost, reduce the waste of carbon fiber raw and other materials, guarantee outward appearance and result of use, economic benefits is improved, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.

In a specific embodiment, for a layer of damaged carbon fiber prepreg, the first repair sheet 2 and the second repair sheet 3 are both made of the same carbon fiber prepreg, and are stacked on two sides of the carbon fiber material layer 1 to be repaired according to the structure shown in fig. 1, and then are formed at one time or bonded and fixed by using a light-cured resin.

Specifically, the partial holes 11 are circular or irregular holes. The carbon fiber prepreg hole repairing structure can be applied to repairing of hole defects in various shapes such as a circular shape or a special shape, can stably recover structural strength, guarantees a repairing effect, and is wide in application range and high in practicability. The irregular holes can be in regular shapes such as square, triangle, trapezoid and the like, and can also be in other irregular shapes.

Specifically, the outer diameter of the local hole 11 is 0-10 mm. The carbon fiber prepreg hole repairing structure is suitable for repairing hole defects with the outer diameter of 0-10 mm, can stably recover structural strength, effectively repair the hole defects of carbon fiber products, greatly reduce the maintenance and use cost of the carbon fiber products, reduce the waste of carbon fiber raw materials and has strong practicability. Preferably, the outer diameter of the partial holes 11 is 0-3 mm.

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 effectively reduce the weight increase proportion when guaranteeing to repair intensity, can make the repair area obtain the best weight strength ratio, the 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 outer contour shape of the first repairing sheet 2 is the same as the outer contour shape of the second repairing sheet 3, the outer contour size of the first repairing sheet 2 is 40-60 mm, and the outer contour size of the second repairing sheet 3 is 10-30 mm. The first sheet 2 and the second repair sheet 3 of repairing of the same shape atress condition is the same, effectively guarantee to repair intensity, stably resume structural strength, the size of first sheet 2 and the second repair sheet 3 of repairing can make the repair area obtain the best weight intensity ratio simultaneously, the material use amount of the repair sheet that significantly reduces, the weight gain proportion that significantly reduces, the repair effect is better, greatly reduced carbon fiber products's maintenance and use cost, reduce the waste of carbon fiber raw and other materials, therefore, the clothes hanger is strong in practicability.

Wherein the outer contour dimensions of the first and

second repair sheets

2, 3 are width or diameter according to the outer contour shape of the first and

second repair sheets

2, 3.

In a particular embodiment, the outer dimensions of the first repair sheet 2 are twice the outer dimensions of the second repair sheet 3, the outer dimensions of the second repair sheet 3 being twice the outer diameter of the partial holes 11.

Specifically, the outer contour of the first repairing sheet 2 and the outer contour of the second repairing sheet 3 are circular, and when the first repairing sheet 2 and the second repairing sheet 3 are respectively bonded to two sides of the carbon fiber material layer 1, the projections of the centers of the first repairing sheet 2 and the second repairing sheet 3 are located in the middle of the partial hole 11. The outer contour of the first repairing sheet 2 and the outer contour of the second repairing sheet 3 are circular, stress is more uniform, structural strength of repairing and material usage amount of the repairing sheets are guaranteed, weight increasing proportion is greatly reduced, repairing effect is better, and practicability is high.

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

1. The utility model provides a structure is repaired to carbon fiber prepreg hole, is including the carbon fiber material layer that has local hole, its characterized in that, the structure is repaired to carbon fiber prepreg hole still includes first repair sheet and second repair sheet, first repair sheet with the second repair the sheet be by with the carbon fiber fabric that the carbon fiber material layer is the same type makes carbon fiber prepreg, first repair sheet with the second repair the sheet cover local hole and respectively fixed connection in the both sides of carbon fiber material layer, just the outer contour dimension of first repair sheet is greater than the outer contour dimension of sheet is repaired to the second.

2. The carbon fiber prepreg hole repairing structure according to claim 1, wherein the partial holes are circular or irregular holes.

3. The carbon fiber prepreg hole repairing structure according to claim 1, wherein an outer diameter of the partial hole is 0 to 10 mm.

4. The hole repairing structure of the carbon fiber prepreg according to claim 1, 2 or 3, wherein the thickness of the first repairing sheet and the second repairing sheet is 0-1 mm, and the thickness of the first repairing sheet is the same as that of the second repairing sheet.

5. The carbon fiber prepreg hole repairing structure according to claim 1, 2 or 3, wherein an outer contour shape of the first repairing sheet is the same as an outer contour shape of the second repairing sheet, an outer contour dimension of the first repairing sheet is 40-60 mm, and an outer contour dimension of the second repairing sheet is 10-30 mm.

6. The carbon fiber prepreg hole repairing structure according to claim 5, wherein an outer contour of the first repairing sheet and an outer contour of the second repairing sheet are circular, and a projection of a center of the first repairing sheet and a projection of a center of the second repairing sheet are located in a middle of the partial hole.