CN217061519U - Glass fiber sleeve of silicone resin - Google Patents
Glass fiber sleeve of silicone resin Download PDFInfo
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- CN217061519U CN217061519U CN202220580154.2U CN202220580154U CN217061519U CN 217061519 U CN217061519 U CN 217061519U CN 202220580154 U CN202220580154 U CN 202220580154U CN 217061519 U CN217061519 U CN 217061519U
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Abstract
The utility model relates to the technical field of insulating tubes, a silicone resin glass fiber sleeve is disclosed, including glass fiber basic unit, first insulating layer, shielding layer and the second insulating layer that sets gradually from inside to outside, it has a plurality of first fibre bundles to extend to fill along the length direction of first insulating layer in the first insulating layer, and a plurality of first spacing bundles evenly set up along first insulating layer circumference, extend to fill along the length direction of second insulating layer in the second insulating layer has a plurality of second fibre bundles, and a plurality of second spacing bundles evenly set up along second insulating layer circumference; the utility model provides a pair of fine sleeve pipe of silicone resin glass has solved and has adopted the easy sharp object scratch of silicon rubber basic unit among the prior art to reduce insulating properties and manufacturing cost height and do not have the problem of shielding effect.
Description
Technical Field
The utility model relates to an insulating tube technical field, concretely relates to fine sleeve pipe of silicone resin glass.
Background
The glass fiber insulation hose has good insulation property, excellent mechanical strength and heat resistance, and is often used for insulation of lead wires of motors, electric appliances, transformers, household electrical appliances and electric appliances due to its soft characteristic. The glass fiber insulation hose is generally formed by weaving alkali-free glass fibers into a hollow tube and coating the outer surface of the tube with an insulation resin such as silicone rubber or polyurethane. The utility model discloses a three-layer silicon rubber glass fiber sleeve pipe (CN204664646U), this bushing structure uses silicon rubber as the basic unit, is equipped with first fibrage layer outside the silicon rubber basic unit, is equipped with the second fibrage layer outside first fibrage layer. Adopt liquid silica gel to carry out mutual adhesion between silicon rubber basic unit and the first fibre weaving layer, adopt liquid silica gel to carry out mutual adhesion between first fibre weaving layer and the second fibre weaving layer, silicon rubber basic unit is the cavity silicon rubber solid body pipe by extruder extrusion. Firstly, the innermost layer in the technology is provided with a silicon rubber substrate, and the silicon rubber is easily scratched by sharp objects, so that the insulation performance is reduced. In addition, the silicone rubber base layer in the above technical solution needs to be extruded by an extruder, which increases the complexity of the production process. Finally, the technical scheme does not perform mechanical reinforcement along the radial direction of the product, has low radial mechanical strength and can not shield the internal electric field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fine sleeve pipe of silicone resin glass for solve at least one above-mentioned problem that exists among the prior art.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a fine sleeve pipe of silicone glass, includes glass fiber basic unit, first insulating layer, shielding layer and the second insulating layer that from interior to exterior set gradually, it has a plurality of first tow to extend to fill along the length direction on first insulating layer in the first insulating layer, and a plurality of first spacing bundles evenly set up along first insulating layer circumference, extend along the length direction on second insulating layer in the second insulating layer and fill and have a plurality of second tow, and a plurality of second spacing bundles evenly set up along second insulating layer circumference.
In the prior art, the innermost layer is provided with the silicon rubber base layer, and the silicon rubber is easily scratched by sharp objects, so that the insulation performance is reduced. This technical scheme sets up the glass fiber base layer in inlayer, because of glass fiber has good antifriction performance, with by cover thing direct contact when using for the insulating layer that sets up outside the glass fiber base layer can not be by the scratch and reduce insulating properties. According to the technical scheme, the continuous fiber bundles are uniformly filled in the first insulating layer and the second insulating layer along the circumferential direction to serve as the reinforcing ribs, so that the mechanical strength of the sleeve in the radial direction is greatly improved, and the risk of breakage in use is reduced. This technical scheme is through setting up the shielding layer between first insulating layer and second insulating layer, can make the electric field effect of jacketed cable obtain effectively shielding.
Furthermore, the glass fiber substrate is a hollow pipe body woven by alkali-free glass fibers. The alkali-free glass fiber has good chemical stability, electrical insulation performance and strength.
Further, the first insulating layer and/or the second insulating layer are made of silicone materials.
Furthermore, the shielding layer is made of aluminum foil.
Furthermore, in order to achieve a better insulation effect, the thickness of the aluminum foil is 0.02 mm-0.035 mm.
Furthermore, in order to achieve better radial structure strengthening effect, the first fiber bundles are uniformly distributed with 18 strands along the circumferential direction of the first insulating layer and/or the second fiber bundles are uniformly distributed with 18 strands along the circumferential direction of the second insulating layer. That is, the included angle D between two adjacent first fiber bundles and the axis a and the included angle between two adjacent second fiber bundles and the axis a are both 20 °.
Furthermore, in order to ensure the structural strength of the fiber bundles, each first fiber bundle and/or each second fiber bundle is formed by twisting two alkali-free glass fibers. The alkali-free glass fibers are continuous along their length.
Furthermore, in order to achieve a better effect of reinforcing the radial structure, the first fiber bundle and the adjacent second fiber bundle are arranged in a staggered manner, preferably, when the first fiber bundle and the second fiber bundle are respectively and uniformly provided with 18 strands along the first insulating layer and the second insulating layer, a connecting line of the first fiber bundle and the axis a and a connecting line between the adjacent second fiber bundle and the axis a form an included angle B, and the angle B is 10 °.
Further, the first insulating layer is adhered to the outer surface of the glass fiber base layer through a dip coating method. The method is simple to operate and reduces the production cost.
Further, in order to achieve a better shielding effect, the shielding layer is wound on the outer surface of the first insulating layer by a single-layer half-lap wrapping method.
The beneficial effects of the utility model are that: in the prior art, the innermost layer is provided with the silicon rubber base layer, and the silicon rubber is easily scratched by sharp objects, so that the insulation performance is reduced. This technical scheme sets up the glass fiber base layer in inlayer, because of glass fiber has good antifriction performance, with by cover thing direct contact when using for the insulating layer that sets up outside the glass fiber base layer can not be by the scratch and reduce insulating properties. According to the technical scheme, the continuous fiber bundles are uniformly filled in the first insulating layer and the second insulating layer along the circumferential direction to serve as reinforcing ribs, so that the mechanical strength of the sleeve in the radial direction is greatly improved, and the risk of breakage in use is reduced. This technical scheme is through setting up the shielding layer between first insulating layer and second insulating layer, can make the electric field effect of jacketed cable obtain effective shielding.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the twisting state of two bundles of alkali-free glass fibers in the present invention.
In the figure: a glass fiber base layer 1; a first insulating layer 2; a shielding layer 3; a second insulating layer 4; a first fiber bundle 5; a second fibre bundle 6.
Detailed Description
Example 1:
as shown in fig. 1 to fig. 3, the present embodiment provides a silicone glass fiber sleeve, which includes a glass fiber base layer 1, a first insulating layer 2, a shielding layer 3, and a second insulating layer 4, which are sequentially arranged from inside to outside, wherein a plurality of first fiber bundles 5 are extended and filled in the first insulating layer 2 along a length direction of the first insulating layer 2, a plurality of first limiting bundles are uniformly arranged along a circumferential direction of the first insulating layer 2, a plurality of second fiber bundles 6 are extended and filled in the second insulating layer 4 along a length direction of the second insulating layer 4, and a plurality of second limiting bundles are uniformly arranged along a circumferential direction of the second insulating layer 4.
In the prior art, the innermost layer is provided with the silicon rubber base layer, and the silicon rubber is easily scratched by sharp objects, so that the insulation performance is reduced. This technical scheme sets up glass fiber base layer 1 in inlayer, because of glass fiber has good antifriction performance, with by cover thing direct contact when using for the insulating layer that sets up outside glass fiber base layer 1 can not be by the scratch and reduce insulating properties. This technical scheme makes the sleeve pipe promote greatly at radial mechanical strength through evenly filling continuous tow as the strengthening rib along circumference in first insulating layer 2 and second insulating layer 4, reduces the cracked risk in the use. This technical scheme is through setting up shielding layer 3 between first insulating layer 2 and second insulating layer 4, can make the electric field effect of jacketed cable obtain effective shielding.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
The glass fiber base layer 1 is a hollow tube body woven by alkali-free glass fibers. The alkali-free glass fiber has good chemical stability, electrical insulation performance and strength.
Example 3:
this example was optimized based on example 1 described above.
The first insulating layer 2 and/or the second insulating layer 4 are made of silicone material, and in the embodiment, the first insulating layer 2 and the second insulating layer 4 may be made of silicone material.
Example 4:
this example was optimized based on example 1 described above.
The shielding layer 3 is made of aluminum foil. In order to achieve a better insulation effect, the thickness of the aluminum foil is 0.01 mm-0.024 mm.
Example 5:
this example was optimized based on example 1 described above.
For better radial structural reinforcement, the first fiber bundles 5 are distributed 18 strands uniformly in the circumferential direction along the first insulating layer 2 and/or the second fiber bundles 6 are distributed 18 strands uniformly in the circumferential direction along the second insulating layer 4. That is, the included angle D between two adjacent first fiber bundles 5 and the axis a and the included angle between two adjacent second fiber bundles 6 and the axis a are both 20 °. In the present embodiment, 18 fiber bundles are uniformly filled in the first insulating layer 2 and the second insulating layer 4 in the circumferential direction.
Example 6:
this embodiment is optimized based on embodiment 1 described above.
As shown in fig. 3, each first fiber bundle 5 and/or each second fiber bundle 6 is twisted by two alkali-free glass fibers in order to secure the structural strength of the fiber bundles. The alkali-free glass fibers are continuous along their length. In this embodiment, the first fiber bundle 5 and the second fiber bundle 6 are formed by twisting two alkali-free glass fibers.
Example 7:
this embodiment is optimized based on embodiment 1 described above.
In order to achieve a better effect of radial structure reinforcement, the first fiber bundle 5 and the adjacent second fiber bundle 6 are arranged in a staggered manner, preferably, when the first fiber bundle 5 and the second fiber bundle 6 are respectively and uniformly provided with 18 strands along the first insulating layer 2 and the second insulating layer 4, a connecting line of the first fiber bundle 5 and the axis a and a connecting line of the adjacent second fiber bundle 6 and the axis a form an included angle B, and the angle B is equal to 10 °.
Example 8:
this embodiment is optimized based on embodiment 1 described above.
The first insulating layer 2 is adhered to the outer surface of the glass fiber base layer 1 by a dip coating method. The method is simple to operate and reduces the production cost.
Example 9:
this embodiment is optimized based on embodiment 1 or 4 described above.
In order to achieve a better shielding effect, the shielding layer 3 is wound on the outer surface of the first insulating layer 2 by a single-layer half-lap wrapping method.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. 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. A silicone glass fiber sleeve is characterized in that: including glass fiber basic unit, first insulating layer, shielding layer and the second insulating layer that from interior to exterior set gradually, it has a plurality of first tow to extend to fill along the length direction on first insulating layer in the first insulating layer, and a plurality of first spacing bundles evenly set up along first insulating layer circumference, extend along the length direction on second insulating layer in the second insulating layer and fill and have a plurality of second tow, and a plurality of second spacing bundles evenly set up along second insulating layer circumference.
2. The silicone fiberglass sleeve of claim 1, wherein: the glass fiber base layer is a hollow pipe body woven by alkali-free glass fibers.
3. The silicone fiberglass sleeve of claim 1, wherein: the first insulating layer and/or the second insulating layer are/is made of silicone resin materials.
4. The silicone fiberglass sleeve of claim 1, wherein: the shielding layer is made of aluminum foil.
5. The silicone fiberglass sleeve of claim 4, wherein: the thickness of the aluminum foil is 0.02 mm-0.035 mm.
6. The silicone fiberglass sleeve of claim 1, wherein: the first fiber bundles are distributed evenly 18 strands in the circumferential direction of the first insulating layer and/or the second fiber bundles are distributed evenly 18 strands in the circumferential direction of the second insulating layer.
7. The silicone fiberglass sleeve of claim 1, wherein: each first fiber bundle and/or each second fiber bundle is formed by twisting two bundles of alkali-free glass fibers.
8. The silicone fiberglass sleeve of claim 1, wherein: the first fiber bundle and the adjacent second fiber bundle are arranged in a staggered mode.
9. The silicone fiberglass sleeve of claim 1, wherein: the first insulating layer is adhered to the outer surface of the glass fiber base layer through a dip coating method.
10. The silicone fiberglass sleeve of claim 1 or 4, wherein: the shielding layer is wound on the outer surface of the first insulating layer by a single-layer half-lap wrapping method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580154.2U CN217061519U (en) | 2022-03-15 | 2022-03-15 | Glass fiber sleeve of silicone resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580154.2U CN217061519U (en) | 2022-03-15 | 2022-03-15 | Glass fiber sleeve of silicone resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217061519U true CN217061519U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220580154.2U Active CN217061519U (en) | 2022-03-15 | 2022-03-15 | Glass fiber sleeve of silicone resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217061519U (en) |
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2022
- 2022-03-15 CN CN202220580154.2U patent/CN217061519U/en active Active
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