CN213113781U - Pre-impregnated yarn type three-dimensional braided fabric - Google Patents
Pre-impregnated yarn type three-dimensional braided fabric Download PDFInfo
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- CN213113781U CN213113781U CN202021003234.9U CN202021003234U CN213113781U CN 213113781 U CN213113781 U CN 213113781U CN 202021003234 U CN202021003234 U CN 202021003234U CN 213113781 U CN213113781 U CN 213113781U
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Abstract
The utility model discloses a three-dimensional knitting of preimpregnation yarn formula, include: a three-dimensional braided fabric is including several yarn bundle fibers and a pitch, and this pitch covers in this yarn bundle fiber surface, and inside this pitch permeated this yarn bundle fiber, this three-dimensional braided fabric alternately weaves with several yarn bundle fibers again and forms the tubular structure that has a tube hole, and the thickness between the surface of this three-dimensional braided fabric to the tube hole is ten times to fifty times of the fibrous diameter of yarn bundle, through the utility model discloses a structure is in order to improve the structural strength of three-dimensional braided fabric.
Description
Technical Field
The present invention relates to a three-dimensional woven structure, and more particularly to a prepreg yarn type three-dimensional woven fabric with resin uniformly permeated therein.
Background
The known three-dimensional knitted fabric is formed by knitting dry yarn fibers in multiple layers, so that a three-dimensional structure is formed, and then the resin is impregnated into the three-dimensional knitted fabric after knitting forming, so that the resin substance covers the surface of the three-dimensional knitted fabric, and the fibers and the resin are matched to form a composite three-dimensional structure with light weight and high material property, but the known structure is not difficult to find out that the known structure has some defects mainly because: the high-viscosity resin is difficult to completely permeate into the three-dimensional braided fabric, so that the strength of the composite three-dimensional structure formed by matching the fiber and the resin is difficult to further improve.
In view of this, the inventor has made experience in manufacturing, developing and designing related products for many years, and has finally obtained a practical utility model after detailed design and careful evaluation aiming at the above-mentioned objects.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that wants to solve lies in the above-mentioned disappearance to prior art exists, provides a three-dimensional knitting of preimpregnation yarn line formula, include:
the three-dimensional braided fabric comprises a plurality of yarn bundle fibers and a resin substance, wherein the resin substance covers the surfaces of the yarn bundle fibers, the resin substance penetrates into the yarn bundle fibers, the three-dimensional braided fabric is formed by alternately braiding the yarn bundle fibers to form a tubular structure with a tube hole, and the thickness from the outer surface of the three-dimensional braided fabric to the tube hole is ten times to fifty times of the diameter of the yarn bundle fibers.
The three-dimensional braided fabric is characterized by further comprising a filling braided fabric which is braided into a tube shape by a plurality of yarn bundles after resin impregnation, the maximum outer diameter of the filling braided fabric is smaller than the minimum inner diameter of a tube hole of the three-dimensional braided fabric, and the filling braided fabric penetrates through the tube hole.
The number of the three-dimensional braided fabrics is more than two, so that the outer surfaces of the three-dimensional braided fabrics are mutually contacted, and the resin forms the bonding fixation of the contact parts.
The three-dimensional braided fabric is filled with a filler in the pipe hole, and the filler is epoxy resin or foam.
Wherein, the three-dimensional braided fabric is in a round tubular shape, a square tubular shape or a hexagonal tubular shape.
The three-dimensional braided fabric is in a round tube shape, the outer surfaces of the three-dimensional braided fabric are contacted with each other, and a filler is filled between the outer surfaces of the three-dimensional braided fabric and in the tube hole, so that the three-dimensional braided fabric forms a solid square column.
The three-dimensional braided fabric is in a hexagonal tubular shape, the outer surfaces of the three-dimensional braided fabric are contacted with each other, and the plurality of three-dimensional braided fabric is filled with a filler between the outer surfaces and in the tube hole, so that the plurality of three-dimensional braided fabric form a solid cylinder.
The utility model discloses a main aim at, the resinoid covers in the fibrous surface of yarn bundle, and the resinoid permeates to the fibrous inside of yarn bundle, and three-dimensional knitting forms the tubular structure that has a tube hole with the yarn bundle fibre interaction of several again, borrows this and has the resinoid at the inside evenly distributed of three-dimensional knitting to improve its structural strength and production yield.
Other objects, advantages and novel features of the invention will become apparent from the following detailed description of the invention when considered in conjunction with the drawings.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of a yarn bundle fiber of the present invention;
fig. 3 is an exploded perspective view of another embodiment of the present invention;
fig. 4 is a perspective view (one) of another embodiment of the present invention;
fig. 5 is a perspective view (ii) of another embodiment of the present invention;
fig. 6 is a perspective view (iii) of another embodiment of the present invention;
fig. 7 is a perspective view (one) of another embodiment of the present invention;
fig. 8 is a perspective view (ii) of another embodiment of the present invention;
fig. 9 is a perspective view (iii) of another embodiment of the present invention;
fig. 10 is a perspective view of yet another embodiment of the present invention;
fig. 11 is a perspective view of another embodiment of the present invention.
Symbolic illustration in the drawings:
10, three-dimensional braided fabric;
11, yarn bundle fibers;
12, resin substance;
13, pipe holes;
14, filling materials;
and 20, filling the braided fabric.
Detailed Description
To further understand and appreciate the objects, features and functions of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings:
as shown in fig. 1 and 2, a prepreg yarn type three-dimensional woven fabric includes: a three-dimensional knitted fabric 10, which comprises a plurality of yarn bundle fibers 11 and a resin material 12, wherein the yarn bundle fibers 11 can be bundles made of carbon fibers, the resin material 12 can be epoxy resin, and the resin material 12 covers the surface of the yarn bundle fibers 11 in a hot-melt manner, namely, the yarn bundle fibers 11 are pre-soaked in the resin material 12, so that the resin material 12 permeates into the yarn bundle fibers 11, the three-dimensional knitted fabric 10 is formed by alternately knitting a plurality of impregnated yarn bundle fibers 11 into a tubular structure with a pore 13, and then the knitted three-dimensional knitted fabric 10 is placed in a mold for heating and curing, wherein the thickness between the outer surface of the three-dimensional knitted fabric 10 and the pore 13 is ten to fifty times the diameter of the yarn bundle fibers 11, and the resin material 12 uniformly covers the surface of the yarn bundle fibers 11 and permeates into the interior through the pre-soaking of the yarn bundle fibers 11, and then a plurality of impregnated yarn bundle fibers 11 are wet-knitted, so that the resin materials 12 are uniformly distributed in the three-dimensional knitted fabric 10 to improve the structural strength and the production yield, and the content of the resin materials 12 in the three-dimensional knitted fabric 10 is between 10 and 25wt.%, so that the purpose of solidification and shaping can be achieved through the structure, and the three-dimensional knitted fabric 10 with light weight, high tensile strength and high torsion resistance can be obtained, wherein the three-dimensional knitted fabric 10 is in a circular tube shape, a square tube shape or a hexagonal tube shape, and the three-dimensional knitted fabric 10 is in a tube shape and is provided with tube holes 13, so that the production cost is effectively reduced on the premise of similar structural strength.
In another embodiment of the present invention, as shown in fig. 3 to fig. 6, it includes a three-dimensional knitted fabric 10 and a filling knitted fabric 20, the filling knitted fabric 20 is knitted by a plurality of yarn bundles (not shown) impregnated with resin into a tubular shape, the materials and processes used for the three-dimensional knitted fabric 10 and the filling knitted fabric 20 are the same, and the maximum outer diameter of the filling knitted fabric 20 is smaller than the minimum inner diameter of the tube hole 13 of the three-dimensional knitted fabric 10, so that the filling knitted fabric 20 is inserted into the tube hole 13, when two tubular three-dimensional knitted fabrics 10 and the filling knitted fabric 20 are inserted into each other, the whole thickness of the three-dimensional knitted fabric 10 is increased by the thickness of the filling knitted fabric 20, thereby further increasing the thickness without increasing the knitting difficulty, and when the three-dimensional knitted fabric 10 is in a square tubular shape or a hexagonal tubular shape, and the filling knitted fabric 20 is in a round tubular shape, the filling braided fabric 20 can properly fill the tube holes 13 of the three-dimensional braided fabric 10, and the bending strength of the three-dimensional braided fabric 10 is improved by using tube bodies of different shapes, so that the effect of improving the structural strength is achieved.
In another embodiment of the present invention, as shown in fig. 2 and 7, the number of the three-dimensional knitted fabric 10 is greater than two, so that the outer surfaces of a plurality of the three-dimensional knitted fabrics 10 are in contact with each other, and the resin 12 forms the bonding fixation of the contact portion, thereby combining a plurality of the three-dimensional knitted fabrics 10 into a single whole, so as to provide the desired shape and change the structural characteristics through different arrangements and combinations, so as to improve the practicability, and further, as shown in fig. 8, the three-dimensional knitted fabric 10 can be further filled with a filler 14 in the tube hole 13, the tube hole 13 is filled with the filler 14 to form the solid three-dimensional knitted fabric 10, the filler 14 can be epoxy resin or foam, when the filler 14 is epoxy resin, the structural strength can be improved, and when the filler 14 is foam, the effective heat insulation and sound insulation functions can be achieved, and in another embodiment, as shown in fig. 9, the three-dimensional knitted fabric 10 is in a circular tube shape, the outer surfaces of the three-dimensional knitted fabrics 10 are in contact with each other, a filler 14 is filled between the outer surfaces of the three-dimensional knitted fabrics 10 and in the tube hole 13, and a solid square column is formed by the three-dimensional knitted fabrics 10, and in still another embodiment, as shown in fig. 10 and 11, the three-dimensional knitted fabrics 10 are in a hexagonal tube shape, the outer surfaces of the three-dimensional knitted fabrics 10 are in contact with each other, and a filler 14 is filled between the outer surfaces of the three-dimensional knitted fabrics 10 and in the tube hole 13, so that the three-dimensional knitted fabrics 10 form a solid column. To sum up, the utility model discloses a permutation and combination of this three-dimensional knitting 10 of several uses with the selection of this filler 14, borrows this further to improve its practicality.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby; all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.
Claims (8)
1. A prepreg yarn type three-dimensional fabric, comprising:
the three-dimensional braided fabric comprises a plurality of yarn bundle fibers and a resin substance, wherein the resin substance covers the surfaces of the yarn bundle fibers, the resin substance permeates into the yarn bundle fibers, the three-dimensional braided fabric is formed by alternately braiding a plurality of yarn bundle fibers to form a tubular structure with a pipe hole, and the thickness between the outer surface of the three-dimensional braided fabric and the pipe hole is ten times to fifty times of the diameter of the yarn bundle fibers.
2. The prepreg yarn type three-dimensional woven fabric according to claim 1, further comprising a filling woven fabric which is woven into a tubular shape by a plurality of yarn bundles impregnated with resin, and the filling woven fabric has a maximum outer diameter smaller than a minimum inner diameter of the tubular hole of the three-dimensional woven fabric, and the filling woven fabric is inserted into the tubular hole.
3. The prepreg yarn type three-dimensional woven fabric according to claim 1, wherein the number of the three-dimensional woven fabrics is more than two, the outer surfaces of a plurality of the three-dimensional woven fabrics are in contact with each other, and the resin forms adhesive fixation of the contact portions.
4. The prepreg yarn type three-dimensional braided fabric according to claim 1, wherein the three-dimensional braided fabric is filled with a filler in the tube hole, and the filler is foam.
5. The prepreg yarn type three-dimensional braided fabric according to claim 1, wherein the three-dimensional braided fabric is filled with a filler in the tube hole, and the filler is epoxy resin.
6. The prepreg yarn type three-dimensional woven fabric according to claim 1, wherein the three-dimensional woven fabric has a circular tubular shape, a square tubular shape or a hexagonal tubular shape.
7. The prepreg yarn type three-dimensional woven fabric according to claim 1, wherein the three-dimensional woven fabric is in a circular tube shape, the outer surfaces of the three-dimensional woven fabric are in contact with each other, a filler is filled between the outer surfaces of the three-dimensional woven fabric and in the tube hole, and the three-dimensional woven fabric forms a solid square column.
8. The prepreg yarn type three-dimensional woven fabric according to claim 1, wherein the three-dimensional woven fabric is in a hexagonal tubular shape, a plurality of outer surfaces of the three-dimensional woven fabric are in contact with each other, a filler is filled between the outer surfaces of the three-dimensional woven fabric and in the tube hole, and a plurality of the three-dimensional woven fabric are formed into a solid cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021003234.9U CN213113781U (en) | 2020-06-04 | 2020-06-04 | Pre-impregnated yarn type three-dimensional braided fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021003234.9U CN213113781U (en) | 2020-06-04 | 2020-06-04 | Pre-impregnated yarn type three-dimensional braided fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213113781U true CN213113781U (en) | 2021-05-04 |
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ID=75670035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021003234.9U Active CN213113781U (en) | 2020-06-04 | 2020-06-04 | Pre-impregnated yarn type three-dimensional braided fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213113781U (en) |
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2020
- 2020-06-04 CN CN202021003234.9U patent/CN213113781U/en active Active
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