CN214753179U - High-temperature-resistant PVC (polyvinyl chloride) sleeve capable of preventing deformation - Google Patents
High-temperature-resistant PVC (polyvinyl chloride) sleeve capable of preventing deformation Download PDFInfo
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- CN214753179U CN214753179U CN202121225687.0U CN202121225687U CN214753179U CN 214753179 U CN214753179 U CN 214753179U CN 202121225687 U CN202121225687 U CN 202121225687U CN 214753179 U CN214753179 U CN 214753179U
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Abstract
The utility model discloses a belong to sleeve pipe technical field, specifically be a prevent high temperature resistant PVC sleeve pipe of deformation, its technical scheme is: including PVC basic unit, isolation layer, first high temperature resistant layer and the high temperature resistant layer of second, still including setting up the PVC basic unit outside the isolation layer, setting are in the isolation layer outside first high temperature resistant layer is in with the setting the second high temperature resistant layer in the first high temperature resistant layer outside, PVC basic unit outer wall is equipped with skewed tooth piece, the inside lower extreme of isolation layer is equipped with oblique tooth's socket, the beneficial effects of the utility model are that: the toughness of the sleeve is increased, so that the sleeve is prevented from deforming, the sleeve is protected, the high-temperature resistance inside and outside the sleeve is increased, and the sleeve is prevented from spontaneously combusting to damage a circuit.
Description
Technical Field
The utility model relates to a sleeve pipe technical field, concretely relates to prevent high temperature resistant PVC sleeve pipe of deformation.
Background
Bushings are an insulating device that introduces a live conductor into an electrical apparatus or through a wall; the former is called an electrical appliance casing pipe, and the latter is called a wall bushing; the sleeve is usually used in a basement of a building and is an iron ring for protecting a pipeline or facilitating the installation of the pipeline; the sleeve is classified into a rigid sleeve, a flexible waterproof sleeve, a steel pipe sleeve, an iron sheet sleeve and the like.
The prior art has the following defects: when the existing PVC sleeve is used, the circuit is damaged, so that the interior of the PVC sleeve is subjected to high temperature and spontaneous combustion or deformation, and the circuit safety is seriously influenced.
Therefore, it is necessary to develop a high temperature resistant PVC sleeve that prevents deformation.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a prevent high temperature resistant PVC sleeve pipe of deformation, the skewed tooth inslot portion of skewed tooth piece grafting isolation layer through PVC basic unit's outer wall, the lug of isolation layer outer wall cup joints inside the recess on first high temperature resistant layer, and the first high temperature resistant layer outer wall of rethread is equipped with the high temperature resistant layer of second to the solution receives high temperature and spontaneous combustion or warp, seriously influences the problem of circuit safety.
In order to achieve the above object, the present invention provides the following technical solutions: a high-temperature-resistant PVC sleeve capable of preventing deformation comprises a PVC base layer, an isolation layer, a first high-temperature-resistant layer, a second high-temperature-resistant layer, the isolation layer arranged on the outer side of the PVC base layer, the first high-temperature-resistant layer arranged on the outer side of the isolation layer and the second high-temperature-resistant layer arranged on the outer side of the first high-temperature-resistant layer;
the outer wall of the PVC base layer is provided with an oblique tooth block, and the lower end inside the isolation layer is provided with an oblique tooth groove;
the oblique tooth block is inserted into the oblique tooth groove.
Preferably, the isolation layer is provided as a fire-proof base material.
Preferably, the outer wall of the isolation layer is provided with a bump.
Preferably, the first refractory layer is provided as a polybenzimidazole layer.
Preferably, the lower end of the inside of the first high temperature resistant layer is provided with a groove.
Preferably, the projection is sleeved inside the groove.
Preferably, the second high temperature resistant layer is provided as a liquid crystal polymer.
Preferably, the outer wall of the second high temperature resistant layer is provided with a nano layer.
Preferably, the upper end and the lower end of the second high-temperature resistant layer are provided with nano layers.
Compared with the prior art, this prevent high temperature resistant PVC sleeve pipe's of deformation advantage:
the utility model has the advantages that the outer wall of the PVC base layer is provided with the skewed tooth block, the lower end inside the isolation layer is provided with the skewed tooth groove, and the upper end of the PVC base layer is provided with the isolation layer, so that the skewed tooth block is inserted inside the skewed tooth groove;
when the sleeve is bent, the helical tooth blocks perform toughness activity in the helical tooth grooves, and the toughness of the sleeve is increased under the action of the plurality of groups of helical tooth blocks, so that the sleeve is prevented from deforming;
because the isolating layer is set as the fireproof base material which is formed by combining the aluminum silicate fiber felt, the inorganic mineralized raw material, the perlite, the glass fiber, the ceramic fiber and other base materials, when the circuit is damaged and high temperature is emitted to contact the PVC base layer, the interior of the PVC base layer is protected under the action of the fireproof base material in the isolating layer, the PVC base layer is prevented from being excessively damaged and spontaneous combustion of the PVC base layer is prevented, and therefore the effect of increasing the safety of the circuit is achieved;
the outer wall of the isolation layer is provided with a lug, the inside of the first high-temperature-resistant layer is provided with a groove, and the upper end of the isolation layer is provided with the first high-temperature-resistant layer so that the lug is sleeved in the groove;
when the sleeve is bent, the sleeve is subjected to pulling force under the action of the bump, so that the effects of increasing the hardness of the sleeve and preventing the sleeve from deforming are achieved;
the first high-temperature resistant layer is a polybenzimidazole layer, and benzimidazoles are connected through aryl, so that the sleeve is protected under the action of the first high-temperature resistant layer, the high-temperature resistant capability inside and outside the sleeve is improved, and the circuit is prevented from being damaged by spontaneous combustion of the sleeve;
the second high-temperature-resistant layer is arranged on the outer wall of the first high-temperature-resistant layer, and the second high-temperature-resistant layer is a liquid crystal polymer which is an intermediate state polymer between solid crystals and liquid and has excellent heat resistance and forming and processing performances, so that the sleeve is protected, the high-temperature resistance inside and outside the sleeve is improved, and the sleeve is prevented from spontaneously combusting to damage a circuit;
the nano layer is arranged on the outer wall of the second high-temperature-resistant layer, and the sleeve is prevented from being water-proof and protected under the action of the nano layer, so that the effect of increasing the durability of the sleeve is achieved;
the nanometer layer is arranged at the upper end and the lower end of the second high temperature resistant layer, so that the effect of increasing the waterproofness and the protectiveness of the sleeve is achieved.
Drawings
Fig. 1 is a schematic overall sectional structure diagram of embodiment 1 provided by the present invention;
fig. 2 is an enlarged view of the area of example 1A in fig. 1 according to the present invention;
FIG. 3 provides an enlarged view of the area of example 1B of FIG. 1 in accordance with the present invention;
fig. 4 is a schematic view of the overall structure of embodiment 2 of the present invention.
In the figure: PVC basic unit 1, skewed tooth piece 11, isolation layer 2, skewed tooth's socket 21, lug 22, first high temperature resistant layer 3, recess 31, second high temperature resistant layer 4, nano layer 5.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
further, an isolation layer 2 is arranged at the upper end of the PVC base layer 1, the PVC base layer 1 comprises an oblique tooth block 11, concretely, an oblique tooth block 11 is arranged on the outer wall of the PVC base layer 1, an oblique tooth groove 22 is arranged at the lower end inside the isolation layer 2, the oblique tooth block 11 is inserted inside the oblique tooth groove 22, the oblique tooth block 11 is arranged on the outer wall of the PVC base layer 1, the oblique tooth groove 22 is arranged at the lower end inside the isolation layer 2, the isolation layer 2 is arranged at the upper end of the PVC base layer 1, the oblique tooth block 11 is inserted inside the oblique tooth groove 22, when the sleeve is bent, the oblique tooth block 11 performs toughness movement inside the oblique tooth groove 22, under the action of a plurality of groups of oblique tooth blocks 11, the toughness of the sleeve is increased, so as to prevent the sleeve from deforming, because the isolation layer 2 is arranged as a fireproof base material, the fireproof base material is formed by combining aluminum silicate fiber felt, inorganic mineralized raw materials, perlite, glass fiber, ceramic fiber and other base materials, when a circuit is damaged and the circuit is in contact with the PVC base layer 1 at high temperature, under the effect of the fireproof base material in the isolation layer 2, the interior of the PVC base layer 1 is protected, the PVC base layer 1 is prevented from being excessively damaged and the PVC base layer 1 is prevented from spontaneous combustion, so that the effect of increasing the safety of a circuit is achieved, the bump 22 is arranged on the outer wall of the isolation layer 2, the groove 31 is arranged in the first high-temperature-resistant layer 3, the first high-temperature-resistant layer 3 is arranged at the upper end of the isolation layer 2, the bump 22 is sleeved in the groove 31, when the sleeve is bent, the sleeve is subjected to pulling force under the effect of the bump 22, so that the hardness of the sleeve is increased, the effect of preventing the deformation of the sleeve is achieved, as the first high-temperature-resistant layer 3 is arranged as a polybenzimidazole layer and is connected through an aryl group, the sleeve has the characteristics of high thermal deformation temperature and low linear coefficient, under the effect of the first high-temperature-resistant layer 3, the sleeve is protected, and the high-temperature resistance inside and outside the sleeve is increased, the circuit is prevented from being damaged by spontaneous combustion of the sleeve, the second high-temperature-resistant layer 4 is arranged on the outer wall of the first high-temperature-resistant layer 3, the second high-temperature-resistant layer 4 is set to be a liquid crystal polymer, and the liquid crystal polymer is an intermediate state polymer between solid crystal and liquid and has excellent heat resistance and forming and processing performances, so that the sleeve is protected, the high-temperature resistance inside and outside the sleeve is improved, and the circuit is prevented from being damaged by spontaneous combustion of the sleeve;
further, nanolayer 5 sets up the outer wall at second high temperature resistant layer 4, and is concrete, through nanolayer 5 sets up the outer wall at second high temperature resistant layer 4, under nanolayer 5's effect, carries out waterproof and protection to the sleeve pipe, reaches the effect that increases sheathed tube incorruptibility.
The utility model discloses a use as follows: the technical personnel in the field are provided with the skewed tooth block 11 through the outer wall of the PVC base layer 1, the lower end in the isolation layer 2 is provided with the skewed tooth groove 22, and then the isolation layer 2 is arranged at the upper end of the PVC base layer 1, so that the skewed tooth block 11 is inserted in the skewed tooth groove 22, when the sleeve is bent, the skewed tooth block 11 performs toughness activity in the skewed tooth groove 22, under the action of a plurality of groups of skewed tooth blocks 11, the toughness of the sleeve is increased, thereby preventing the deformation of the sleeve, because the isolation layer 2 is arranged as a fireproof base material, the fireproof base material is formed by an aluminum silicate fiber felt, an inorganic mineralized raw material, perlite, glass fiber, ceramic fiber and other base materials, when a circuit is damaged and is in high-temperature contact with the PVC base layer 1, under the action of the fireproof base material in the isolation layer 2, the interior of the PVC base layer 1 is protected, the PVC base layer 1 is prevented from being excessively damaged and spontaneous combustion, thereby achieving the effect of increasing the safety of the circuit, the outer wall of the isolation layer 2 is provided with a convex block 22, the inside of the first high-temperature resistant layer 3 is provided with a groove 31, the upper end of the isolation layer 2 is provided with the first high-temperature resistant layer 3, the convex block 22 is sleeved in the groove 31, when the sleeve is bent, the sleeve is subjected to pulling force under the action of the convex block 22, the effect of increasing the rigidity of the sleeve and preventing the deformation of the sleeve is achieved, because the first high-temperature resistant layer 3 is arranged as a polybenzimidazole layer, the benzimidazoles are connected through an aryl group, the sleeve has the characteristics of high thermal deformation temperature and low coefficient of linear expansion, under the action of the first high-temperature resistant layer 3, the sleeve is protected, the high-temperature resistance inside and outside the sleeve is increased, the circuit is prevented from being damaged by spontaneous combustion of the sleeve, the outer wall of the first high-temperature resistant layer 3 is provided with a second high-temperature resistant layer 4, because the second high-temperature resistant layer 4 is arranged as a liquid crystal polymer, because the liquid crystal polymer is an intermediate-state polymer between solid crystal and liquid, have excellent heat resistance and contour machining performance to reach and protect the sleeve pipe, increase the inside and outside high temperature resistant ability of sleeve pipe, prevent that the sleeve pipe spontaneous combustion from damaging the effect of circuit, set up the outer wall at second high temperature resistant layer 4 through nanolayer 5, under nanolayer 5's effect, waterproof and protection are carried out to the sleeve pipe, reach the effect that increases sheathed tube durability.
further, the nano layer 5 is arranged at the upper end and the lower end of the second high temperature resistant layer 4, specifically, the nano layer 5 is arranged at the upper end and the lower end of the second high temperature resistant layer 4, so that the effect of increasing the waterproofness and the protectiveness of the sleeve is achieved;
the utility model discloses a use as follows: the technical personnel in the field are provided with the skewed tooth block 11 through the outer wall of the PVC base layer 1, the lower end in the isolation layer 2 is provided with the skewed tooth groove 22, and then the isolation layer 2 is arranged at the upper end of the PVC base layer 1, so that the skewed tooth block 11 is inserted in the skewed tooth groove 22, when the sleeve is bent, the skewed tooth block 11 performs toughness activity in the skewed tooth groove 22, under the action of a plurality of groups of skewed tooth blocks 11, the toughness of the sleeve is increased, thereby preventing the deformation of the sleeve, because the isolation layer 2 is arranged as a fireproof base material, the fireproof base material is formed by an aluminum silicate fiber felt, an inorganic mineralized raw material, perlite, glass fiber, ceramic fiber and other base materials, when a circuit is damaged and is in high-temperature contact with the PVC base layer 1, under the action of the fireproof base material in the isolation layer 2, the interior of the PVC base layer 1 is protected, the PVC base layer 1 is prevented from being excessively damaged and spontaneous combustion, thereby achieving the effect of increasing the safety of the circuit, the outer wall of the isolation layer 2 is provided with a convex block 22, the inside of the first high-temperature resistant layer 3 is provided with a groove 31, the upper end of the isolation layer 2 is provided with the first high-temperature resistant layer 3, the convex block 22 is sleeved in the groove 31, when the sleeve is bent, the sleeve is subjected to pulling force under the action of the convex block 22, the effect of increasing the rigidity of the sleeve and preventing the deformation of the sleeve is achieved, because the first high-temperature resistant layer 3 is arranged as a polybenzimidazole layer, the benzimidazoles are connected through an aryl group, the sleeve has the characteristics of high thermal deformation temperature and low coefficient of linear expansion, under the action of the first high-temperature resistant layer 3, the sleeve is protected, the high-temperature resistance inside and outside the sleeve is increased, the circuit is prevented from being damaged by spontaneous combustion of the sleeve, the outer wall of the first high-temperature resistant layer 3 is provided with a second high-temperature resistant layer 4, because the second high-temperature resistant layer 4 is arranged as a liquid crystal polymer, because the liquid crystal polymer is an intermediate-state polymer between solid crystal and liquid, the heat-resistant and heat-resistant composite material has excellent heat resistance and forming processing performance, so that the sleeve is protected, the high-temperature resistance inside and outside the sleeve is increased, the self-ignition of the sleeve is prevented from damaging a circuit, and the nano layer 5 is arranged at the upper end and the lower end of the second high-temperature-resistant layer 4, so that the waterproof performance and the protective performance of the sleeve are increased.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (9)
1. The utility model provides a prevent high temperature resistant PVC sleeve pipe of deformation, includes PVC basic unit (1), isolation layer (2), first high temperature resistant layer (3) and second high temperature resistant layer (4), its characterized in that: the PVC base layer is characterized by further comprising an isolation layer (2) arranged on the outer side of the PVC base layer (1), a first high-temperature-resistant layer (3) arranged on the outer side of the isolation layer (2) and a second high-temperature-resistant layer (4) arranged on the outer side of the first high-temperature-resistant layer (3);
the outer wall of the PVC base layer (1) is provided with an oblique tooth block (11), and the lower end inside the isolation layer (2) is provided with an oblique tooth groove (21);
the oblique tooth block (11) is inserted into the oblique tooth groove (21).
2. A high temperature resistant PVC sleeve against deformation according to claim 1, characterized in that: the isolation layer (2) is set as a fireproof base material.
3. A high temperature resistant PVC sleeve against deformation according to claim 1, characterized in that: the outer wall of the isolation layer (2) is provided with a convex block (22).
4. A high temperature resistant PVC sleeve against deformation according to claim 1, characterized in that: the first high temperature resistant layer (3) is provided as a polybenzimidazole layer.
5. A high temperature resistant PVC sleeve against deformation according to claim 1, characterized in that: the lower end in the first high temperature resistant layer (3) is provided with a groove (31).
6. The high temperature resistant PVC sleeve against deformation according to claim 5, characterized in that: the lug (22) is sleeved inside the groove (31).
7. A high temperature resistant PVC sleeve against deformation according to claim 1, characterized in that: the second high temperature resistant layer (4) is provided as a liquid crystal polymer.
8. A high temperature resistant PVC sleeve against deformation according to claim 1, characterized in that: the outer wall of the second high temperature resistant layer (4) is provided with a nano layer (5).
9. A high temperature resistant PVC sleeve against deformation according to claim 1, characterized in that: the upper end and the lower end of the second high temperature resistant layer (4) are provided with nano layers (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225687.0U CN214753179U (en) | 2021-06-02 | 2021-06-02 | High-temperature-resistant PVC (polyvinyl chloride) sleeve capable of preventing deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225687.0U CN214753179U (en) | 2021-06-02 | 2021-06-02 | High-temperature-resistant PVC (polyvinyl chloride) sleeve capable of preventing deformation |
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| Publication Number | Publication Date |
|---|---|
| CN214753179U true CN214753179U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121225687.0U Active CN214753179U (en) | 2021-06-02 | 2021-06-02 | High-temperature-resistant PVC (polyvinyl chloride) sleeve capable of preventing deformation |
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| Country | Link |
|---|---|
| CN (1) | CN214753179U (en) |
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2021
- 2021-06-02 CN CN202121225687.0U patent/CN214753179U/en active Active
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