CN217035286U - High-strength heat-shrinkable sleeve - Google Patents
High-strength heat-shrinkable sleeve Download PDFInfo
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- CN217035286U CN217035286U CN202220241788.5U CN202220241788U CN217035286U CN 217035286 U CN217035286 U CN 217035286U CN 202220241788 U CN202220241788 U CN 202220241788U CN 217035286 U CN217035286 U CN 217035286U
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Abstract
The utility model relates to the field of heat-shrinkable tubing design, in particular to a high-strength heat-shrinkable tubing. The heat-shrinkable tubing comprises a heat-shrinkable tubing inner tube, a flame-retardant layer and a wear-resistant layer; the flame-retardant layer is coated on the outer side of the heat-shrinkable sleeve inner tube; the wear-resistant layer is coated on the outer side of the flame-retardant layer; a plurality of first arc-shaped grooves arranged along the length direction of the heat-shrinkable sleeve inner tube are annularly arranged on one side, close to the heat-shrinkable sleeve inner tube, of the flame-retardant layer at equal intervals; a first strip-shaped reinforcing rib is arranged in the first arc-shaped groove; one side of the first strip-shaped reinforcing rib, which is close to the inner pipe of the heat-shrinkable sleeve, is adhered to the inner pipe of the heat-shrinkable sleeve. According to the high-strength heat-shrinkable sleeve, the stretch-proofing and twisting-resisting capabilities of the heat-shrinkable sleeve are improved through the arrangement of the first arc-shaped groove and the first strip-shaped reinforcing rib, so that the strength of the heat-shrinkable sleeve is improved, and the use requirements of users are greatly met.
Description
Technical Field
The utility model relates to the field of heat-shrinkable tubing design, in particular to a high-strength heat-shrinkable tubing.
Background
The heat-shrinkable tube has excellent flame retardant and insulating properties, is very soft and elastic, has low shrinking temperature and fast shrinking, and can be widely applied to connection of wires, treatment of wire ends, protection of welding spots, identification of wire harnesses, insulation protection of resistance and capacitance, corrosion protection of metal bars or tubes, protection of antennas and the like.
The existing heat-shrinkable sleeve is unreasonable in structural design, low in anti-pulling and anti-twisting capacity, and further influences the overall strength of the heat-shrinkable sleeve, is not suitable for industrial application, and greatly reduces the trial experience of a user.
Therefore, it is necessary to provide a technical solution to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model adopts the following technical scheme:
a high-strength heat-shrinkable tubing comprises a heat-shrinkable tubing inner tube, a flame-retardant layer and a wear-resistant layer; the flame-retardant layer is coated on the outer side of the heat-shrinkable sleeve inner tube; the wear-resistant layer is coated on the outer side of the flame-retardant layer; a plurality of first arc-shaped grooves arranged along the length direction of the heat-shrinkable sleeve inner tube are annularly arranged on one side, close to the heat-shrinkable sleeve inner tube, of the flame-retardant layer at equal intervals; a first strip-shaped reinforcing rib is arranged in the first arc-shaped groove; one side of the first strip-shaped reinforcing rib, which is close to the inner pipe of the heat-shrinkable sleeve, is adhered to the inner pipe of the heat-shrinkable sleeve.
Preferably, the flame retardant layer is comprised of a flame retardant.
Preferably, the inner pipe of the heat-shrinkable sleeve is a radiation cross-linked polyolefin layer.
Preferably, a plurality of second strip-shaped reinforcing ribs are further arranged on the surface side of the wear-resistant layer at equal intervals.
Preferably, the upper part of the second strip-shaped reinforcing rib is provided with a second groove.
Preferably, the inner side of the inner pipe of the heat-shrinkable sleeve is wrapped with a hot melt layer.
Preferably, the inner side of the hot melt layer is wrapped with a shielding layer.
Preferably, one side of the hot melt layer, which is close to the shielding layer, is provided with a second arc-shaped groove, and a second strip-shaped reinforcing rib is arranged in the second arc-shaped groove.
Preferably, an anti-corrosion layer is arranged between the wear-resistant layer and the flame-retardant layer.
Preferably, the anti-corrosion layer is a nano-silica coating.
Preferably, a waterproof layer is arranged between the anti-corrosion layer and the wear-resistant layer; the waterproof layer is an asphalt material layer.
According to the high-strength heat-shrinkable sleeve, the stretch-resistant and twisting-resistant capabilities of the heat-shrinkable sleeve are improved through the arrangement of the first arc-shaped groove and the first strip-shaped reinforcing rib, so that the strength of the heat-shrinkable sleeve is improved, and the use requirements of users are greatly met.
Drawings
FIG. 1 is a general schematic view of a high strength heat shrink sleeve of the present invention;
FIG. 2 is a schematic cross-sectional view of a high strength heat shrinkable sleeve of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1 and fig. 2, a high-strength heat-shrinkable tubing comprises a heat-shrinkable tubing inner tube 10, a flame-retardant layer 20 and a wear-resistant layer 30; the flame-retardant layer 20 is coated on the outer side of the heat-shrinkable sleeve inner tube 10; the wear-resistant layer 30 is coated on the outer side of the flame-retardant layer 20; wherein, one side of the flame retardant layer 20 close to the inner tube 10 of the heat-shrinkable sleeve is provided with a plurality of first arc-shaped grooves at equal intervals; a first strip-shaped reinforcing rib 40 is arranged in the first arc-shaped groove; one side of the first strip-shaped reinforcing rib 40 close to the heat-shrinkable sleeve inner tube 10 is adhered to the heat-shrinkable sleeve inner tube 10.
Through the setting of first arc recess and first bar strengthening rib 40, on the one hand, improved this heat shrinkage bush stretch-proofing and anti-twist's ability, on the other hand, improve the degree of connection between fire-retardant layer 20 and the heat shrinkage bush inner tube 10, prevented to take place relative rotation between fire-retardant layer 20 and the heat shrinkage bush inner tube 10.
According to the high-strength heat-shrinkable sleeve, the stretch-resistant and twisting-resistant capabilities of the heat-shrinkable sleeve are improved through the arrangement of the first arc-shaped groove and the first strip-shaped reinforcing rib 40, so that the strength of the heat-shrinkable sleeve is improved, and the use requirements of users are greatly met.
In one particular embodiment, the flame retardant layer 20 is comprised of a flame retardant. Through the setting of fire-retardant layer 20, the effectual fire-retardant ability that improves this heat shrinkage bush, and then improved the security performance. The heat-shrinkable tubing inner tube 10 is a radiation-crosslinked polyolefin layer.
In a specific embodiment, a plurality of second reinforcing bar strips 50 are also provided on the surface of the wear layer 30 at equal intervals. Through the setting of a plurality of second bar strengthening ribs 50, the ability that this heat-shrinkable tube stretch-proofing and anti-twist has been improved, and then has improved this heat-shrinkable tube's bulk strength.
In a specific embodiment, the second bar-shaped reinforcing bead 50 is provided at an upper portion thereof with a second groove 51. Through the arrangement of the second groove 51, when the heat-shrinkable sleeve is placed on the ground, a cavity is formed between the second groove 51 part of the second bar-shaped reinforcing rib 50 and the bottom surface, so that the anti-skid capability of the heat-shrinkable sleeve is improved, and the use requirements of users are greatly met.
In a specific embodiment, the inside of the heat shrink tubing inner tube 10 is wrapped with a hot melt layer 60. The shielding layer 70 is wrapped on the inner side of the hot melt layer 60. In operation, the wires are disposed inside the shield 70. Specifically, the shielding layer 70 is a magnetic material layer having a mesh structure formed by a plurality of dispersed magnetic material particles. The shielding effect is good, and the stability is strong. One side of the hot melt layer 60 close to the shielding layer 70 is provided with a second arc-shaped groove, and a second strip-shaped reinforcing rib 50 is arranged in the second arc-shaped groove. Through the arrangement of the second arc-shaped groove and the second arc-shaped reinforcing rib 80, the rigidity of the heat-shrinkable sleeve is further improved. An anti-corrosion layer 90 is provided between the wear layer 30 and the flame retardant layer 20. The corrosion protection layer 90 is a nano-silica coating. Further, a waterproof layer 100 is arranged between the anti-corrosion layer 90 and the wear-resistant layer 30; the waterproof layer 100 is a layer of asphalt material.
According to the high-strength heat-shrinkable sleeve, the stretch-proofing and twisting-resisting capabilities of the heat-shrinkable sleeve are improved through the arrangement of the first arc-shaped groove and the first strip-shaped reinforcing rib, so that the strength of the heat-shrinkable sleeve is improved, and the use requirements of users are greatly met.
The above examples only show several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. A high-strength heat-shrinkable tubing is characterized in that: the heat-shrinkable sleeve comprises a heat-shrinkable sleeve inner tube, a flame-retardant layer and a wear-resistant layer; the flame-retardant layer is coated on the outer side of the heat-shrinkable sleeve inner tube; the wear-resistant layer is coated on the outer side of the flame-retardant layer; a plurality of first arc-shaped grooves arranged along the length direction of the heat-shrinkable sleeve inner tube are annularly arranged on one side, close to the heat-shrinkable sleeve inner tube, of the flame-retardant layer at equal intervals; a first strip-shaped reinforcing rib is arranged in the first arc-shaped groove; one side of the first strip-shaped reinforcing rib, which is close to the inner pipe of the heat-shrinkable sleeve, is adhered to the inner pipe of the heat-shrinkable sleeve.
2. The high strength heat shrink tubing of claim 1 wherein: the flame-retardant layer consists of a flame retardant.
3. The high strength heat shrink tubing of claim 1 wherein: the inner pipe of the heat-shrinkable sleeve is a radiation crosslinking polyolefin layer.
4. The high strength heat shrink tubing of claim 1 wherein: the surface side equidistance of wearing layer still is equipped with a plurality of second bar strengthening ribs.
5. The high strength heat shrink tubing of claim 4 wherein: and a second groove is formed in the upper part of the second strip-shaped reinforcing rib.
6. The high strength heat shrink tubing of claim 1 wherein: the inner side of the inner pipe of the heat-shrinkable sleeve is wrapped with a hot melt layer.
7. The high strength heat shrink sleeve according to claim 6, wherein: the shielding layer is wrapped on the inner side of the hot melt layer.
8. The high strength heat shrink sleeve according to claim 7, wherein: one side of the hot melt layer, which is close to the shielding layer, is provided with a second arc-shaped groove, and a second strip-shaped reinforcing rib is arranged in the second arc-shaped groove.
9. The high strength heat shrink tubing of claim 1 wherein: and an anti-corrosion layer is arranged between the wear-resistant layer and the flame-retardant layer.
10. The high strength heat shrink tubing of claim 9 wherein: a waterproof layer is arranged between the anti-corrosion layer and the wear-resistant layer; the waterproof layer is an asphalt material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220241788.5U CN217035286U (en) | 2022-01-28 | 2022-01-28 | High-strength heat-shrinkable sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220241788.5U CN217035286U (en) | 2022-01-28 | 2022-01-28 | High-strength heat-shrinkable sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217035286U true CN217035286U (en) | 2022-07-22 |
Family
ID=82449183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220241788.5U Active CN217035286U (en) | 2022-01-28 | 2022-01-28 | High-strength heat-shrinkable sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217035286U (en) |
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2022
- 2022-01-28 CN CN202220241788.5U patent/CN217035286U/en active Active
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