CN215377723U - Shielding double-layer heat-shrinkable sleeve - Google Patents
Shielding double-layer heat-shrinkable sleeve Download PDFInfo
- Publication number
- CN215377723U CN215377723U CN202121527889.0U CN202121527889U CN215377723U CN 215377723 U CN215377723 U CN 215377723U CN 202121527889 U CN202121527889 U CN 202121527889U CN 215377723 U CN215377723 U CN 215377723U
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- China
- Prior art keywords
- heat
- shrinkable tube
- shrinkable
- layer
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003365 glass fiber Substances 0.000 claims abstract description 26
- 239000003063 flame retardant Substances 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000003916 acid precipitation Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
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Abstract
The utility model provides a shielding double-layer heat-shrinkable sleeve, and relates to the technical field of heat-shrinkable sleeves. When the cable protection device is used, the inner wall surface of the second heat-shrinkable tube is sleeved on the outer surface of a cable to be protected, the second heat-shrinkable tube is pushed to move to a cable damaged part or a joint of two cables, the first heat-shrinkable tube is heated to shrink, the three glass fiber strips are extruded to be close to each other, heat is transferred to the second heat-shrinkable tube, the cable damaged part or the joint of the two cables is wrapped after the second heat-shrinkable tube is heated, human body error touch is avoided, short circuit is prevented from occurring after the cable damaged part or the joint of the two cables contacts a conductive object, the three glass fiber strips provide supporting force when the cable damaged part or the joint of the two cables is stressed, the second heat-shrinkable tube is prevented from loosening after being stressed, and the service life is long.
Description
Technical Field
The utility model relates to the technical field of heat shrinkable sleeves, in particular to a shielding double-layer heat shrinkable sleeve.
Background
The sleeve is a pipe used for protecting linear materials, the heat shrinkable sleeve is a novel environment-friendly halogen-free flame retardant sleeve, can provide insulation protection for wires, cables and wire terminals, is widely applied to insulation protection of wire harnesses, welding spots and inductors, rust prevention and corrosion prevention of metal pipes and rods and the like, the heat shrinkable sleeve is made of high-quality polymers through scientific proportioning and mechanical blending to form a high polymer alloy, and after a product is formed, the high polymer alloy is subjected to radiation crosslinking and continuous expansion through an electronic accelerator.
However, in the prior art, after the heat-shrinkable sleeve is subjected to external impact force for a long time when in use, the cable and the heat-shrinkable sleeve can be displaced, the service life is short, and in the prior art, the heat-shrinkable sleeve cannot completely seal a gap between the heat-shrinkable sleeve and the cable when in use, so that moisture in air enters, the cable is corroded, the service life of the cable is shortened, and potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that in the prior art, after the heat-shrinkable sleeve is subjected to external impact force for a long time when in use, the cable and the heat-shrinkable sleeve can be displaced, the service life is short, in addition, in the prior art, gaps between the heat-shrinkable sleeve and the cable cannot be completely sealed, moisture in air enters, the cable is corroded, the service life of the cable is reduced, and potential safety hazards exist, and the double-layer shielding heat-shrinkable sleeve is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme: the shielding double-layer heat-shrinkable sleeve comprises a first heat-shrinkable tube, wherein three glass fiber strips are fixedly connected to the surface of the inner wall of the first heat-shrinkable tube, the three glass fiber strips are arranged at equal intervals, three heat-conducting blocks are fixedly connected to the surface of the inner wall of the first heat-shrinkable tube, the surfaces of two sides of one heat-conducting block are attached to the opposite surfaces of two adjacent glass fiber strips, the cross sections of the three heat-conducting blocks are arc-shaped, and a second heat-shrinkable tube is fixedly connected to the surface of the inner side of each of the three glass fiber strips.
Preferably, the surface of the inner wall of the second heat shrinkable tube is fixedly connected with a flame retardant layer.
Preferably, two grooves are formed in the surface, close to two ends, of the inner wall of the flame-retardant layer, and four hot-melt rubber rings are embedded in the grooves.
Preferably, the outer surface of the first heat shrinkable tube is coated with a wear-resistant layer.
Preferably, the outer surface of the wear-resistant layer is coated with a corrosion-resistant layer.
Preferably, three glass fiber strips are arranged at equal intervals.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. when the cable heat-shrinkable tube is used, the inner wall surface of the second heat-shrinkable tube is sleeved on the outer surface of a cable to be protected, the second heat-shrinkable tube is pushed to move to a cable damaged part or a joint of two cables, the first heat-shrinkable tube is heated to shrink, three glass fiber strips are extruded to be close to each other, three heat conducting blocks synchronously deform to transfer heat to the second heat-shrinkable tube, the cable damaged part or the joint of the two cables is wrapped after the second heat-shrinkable tube is heated, human body mistouch is avoided, short circuit is prevented from occurring after the cable damaged part or the joint of the two cables contacts a conductive object, the three glass fiber strips provide supporting force when the cable damaged part or the joint of the two cables is stressed, the second heat-shrinkable tube is prevented from being loosened after being stressed, and the service life is long.
2. According to the utility model, the flame-retardant layer fixed on the inner wall surface of the second heat-shrinkable tube avoids economic loss and potential safety hazards caused by short circuit and fire of a cable, the hot-melt rubber rings embedded in the four grooves are melted after being stressed, gaps between the flame-retardant layer and the cable are filled, water in air is prevented from entering, erosion of a wire core is avoided, the service life of the cable is ensured, the sealing effect is good, the safety is high, the wear-resistant layer sleeved on the outer surface of the first heat-shrinkable tube increases the wear resistance of the first heat-shrinkable tube, the corrosion-resistant layer coated on the outer surface of the wear-resistant layer avoids acid rain erosion in nature, the service life of the first heat-shrinkable tube is prolonged, the three glass fiber strips are arranged at equal intervals, and when the first heat-shrinkable tube is subjected to acting force, the three glass fiber strips synchronously provide supporting force.
Drawings
FIG. 1 is a schematic perspective view of a shielding double-layer heat shrinkable sleeve according to the present invention;
FIG. 2 is a schematic cross-sectional perspective view of a first heat shrinkable tube of a shielded double-layer heat shrinkable sleeve according to the present invention;
fig. 3 is a schematic perspective view of a shielding double-layer heat shrinkable sleeve heat conduction block according to the present invention.
Illustration of the drawings:
1. a first heat shrink tube; 2. a glass fiber strip; 3. a heat conducting block; 4. a second heat shrink tube; 5. a flame retardant layer; 6. a wear layer; 7. a corrosion-resistant layer; 8. a groove; 9. and (4) hot-melt rubber rings.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1, as shown in fig. 1 to 3, the present invention provides a shielding double-layer heat shrinkable sleeve comprising a first heat shrinkable tube 1, characterized in that: the inner wall fixed surface of first pyrocondensation pipe 1 is connected with three glass fiber strip 2, and three glass fiber strip 2 equidistance is arranged, and the inner wall fixed surface of first pyrocondensation pipe 1 is connected with three heat conduction piece 3, and the both sides surface of one of them heat conduction piece 3 is laminated with two adjacent glass fiber strip 2's relative surface mutually, and the cross section of three heat conduction piece 3 all is the cambered surface form, and the inboard fixed surface of three glass fiber strip 2 is connected with second pyrocondensation pipe 4.
The effect that its whole embodiment 1 reaches is, during the use, establish the inner wall surface cover of second pyrocondensation pipe 4 at the cable surface that needs the protection, promote second pyrocondensation pipe 4 and remove to cable damaged department, or two cable junctions, heat first pyrocondensation pipe 1, make first pyrocondensation pipe 1 shrink after being heated, it is close to each other to extrude three glass fiber strip 2, three heat conduction piece 3 takes place deformation in step, with heat transfer to second pyrocondensation pipe 4, make second pyrocondensation pipe 4 be heated after with cable damaged department or two cable junctions parcel, avoid human body error to touch, prevent that cable damaged department or the junction of two cables from taking place the short circuit after contacting electrically conductive object, three glass fiber strip 2 provides the holding power when cable damaged department or two cable junctions atress, it is not hard up to avoid second pyrocondensation pipe 4 atress back, long service life.
Example 2, as shown in fig. 1 to 3, the inner wall surface of the second heat shrinkable tube 4 is fixedly connected with a flame retardant layer 5, two grooves 8 are respectively formed on the inner wall surface of the flame retardant layer 5 near two ends, hot melt rubber rings 9 are respectively embedded inside the four grooves 8, the outer surface of the first heat shrinkable tube 1 is coated with a wear-resistant layer 6, the outer surface of the wear-resistant layer 6 is coated with a corrosion-resistant layer 7, and the three glass fiber strips 2 are arranged at equal intervals.
The effect that its whole embodiment 2 reaches does, the fire-retardant layer 5 of 4 inner wall fixed surface of second pyrocondensation pipe avoids the economic loss and the potential safety hazard that the cable short circuit caused of starting a fire, the hot melt rubber ring 9 that four recess 8 are inside to be inlayed and is established melts after the atress, with the gap filling between fire-retardant layer 5 and the cable, avoid moisture in the air to get into, the erosion wire core, ensure the life of cable, it is sealed effectual, the security is high, wearing layer 6 that the first pyrocondensation pipe 1 overcoat was established increases the wearability of first pyrocondensation pipe 1, the corrosion resistant layer 7 that wearing layer 6 surface was scribbled and is established avoids the acid rain erosion in the nature, improve the life of first pyrocondensation pipe 1, three glass fiber strip 2 equidistance is arranged, when first pyrocondensation pipe 1 receives the effort, three glass fiber strip 2 provides the holding power in step.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (6)
1. A shielding double-layer heat shrinkable sleeve comprises a first heat shrinkable tube (1) and is characterized in that: the heat-shrinkable tube is characterized in that the inner wall surface of the first heat-shrinkable tube (1) is fixedly connected with three glass fiber strips (2) in a three-dimensional mode, the glass fiber strips (2) are arranged at equal intervals, the inner wall surface of the first heat-shrinkable tube (1) is fixedly connected with three heat-conducting blocks (3), one of the heat-conducting blocks is attached to the surfaces of two sides of each heat-conducting block (3) and the surfaces of two adjacent glass fiber strips (2) opposite to each other in a laminating mode, the cross sections of the heat-conducting blocks (3) are arc-shaped and three, and the inner side surface of each glass fiber strip (2) is fixedly connected with a second heat-shrinkable tube (4).
2. The shielding double-layer heat-shrinkable sleeve of claim 1, wherein: and the surface of the inner wall of the second heat-shrinkable tube (4) is fixedly connected with a flame-retardant layer (5).
3. The shielding double-layer heat-shrinkable sleeve of claim 2, wherein: two grooves (8) are formed in the surface, close to two ends, of the inner wall of the flame-retardant layer (5), and four hot-melt rubber rings (9) are embedded in the grooves (8).
4. A shielding double layer heat shrinkable sleeve according to claim 3, wherein: and the outer surface of the first heat-shrinkable tube (1) is coated with a wear-resistant layer (6).
5. The shielding double-layer heat shrinkable sleeve of claim 4, wherein: the outer surface of the wear-resistant layer (6) is coated with a corrosion-resistant layer (7).
6. The shielding double-layer heat shrinkable sleeve of claim 5, wherein: the three glass fiber strips (2) are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121527889.0U CN215377723U (en) | 2021-07-06 | 2021-07-06 | Shielding double-layer heat-shrinkable sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121527889.0U CN215377723U (en) | 2021-07-06 | 2021-07-06 | Shielding double-layer heat-shrinkable sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215377723U true CN215377723U (en) | 2021-12-31 |
Family
ID=79608074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121527889.0U Expired - Fee Related CN215377723U (en) | 2021-07-06 | 2021-07-06 | Shielding double-layer heat-shrinkable sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215377723U (en) |
-
2021
- 2021-07-06 CN CN202121527889.0U patent/CN215377723U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |