CN211294661U - Mineral insulation fireproof cable with insulating sheath branch structure - Google Patents
Mineral insulation fireproof cable with insulating sheath branch structure Download PDFInfo
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- CN211294661U CN211294661U CN202020412789.2U CN202020412789U CN211294661U CN 211294661 U CN211294661 U CN 211294661U CN 202020412789 U CN202020412789 U CN 202020412789U CN 211294661 U CN211294661 U CN 211294661U
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Abstract
The utility model discloses a mineral insulation fireproof cable with insulating sheath branch structure, including outer protective layer, internal insulation sheath and cable core, the outside fixed mounting of outer protective layer has the lag, the carriage release lever is installed to the upper end of fixed column, and the upper end fixed mounting of carriage release lever has a spine, the cavity has been seted up to the upper end of lag inside, and the inside packing of cavity has the rat repelling agent, the waterproof layer is installed to the inboard of outer protective layer, fire-retardant layer is installed to the inboard on high temperature resistant layer, and the internally mounted on fire-retardant layer has the gasbag, the fire prevention filling layer is installed to the inboard on fire-retardant layer, and the internally mounted of fire prevention filling layer has the internal insulation sheath. This mineral insulation fireproof cable with insulating sheath branch structure can play good fire behaviour when the conflagration breaing out, improves mineral insulation fireproof cable's practicality, can play certain self safeguard measure when outdoor use, avoids the cable to be gnawed by the mouse and destroys.
Description
Technical Field
The utility model relates to a mineral insulation fireproof cable correlation technique field specifically is a mineral insulation fireproof cable with insulating sheath branch structure.
Background
Along with the continuous development of society, the power consumption in each area also increases greatly, and the cable is an indispensable power transmission equipment when carrying out power transmission, because of the accident of electric power conflagration is constantly increased, people also pay close attention to the fire-retardant and fire prevention safety problem of cable gradually, and mineral insulation fireproof cable has advantages such as good fire prevention, explosion-proof and long-lived, therefore mineral insulation fireproof cable is by wide application in each field.
However, the existing mineral insulated fireproof cable has the following problems:
1. when the existing mineral insulation fireproof cable is in fire, the fireproof performance is poor, and the cable is not convenient to be further burnt, so that the practicability of the mineral insulation fireproof cable is reduced;
2. when the existing mineral insulation fireproof cable is used outdoors, certain self-protection measures are not convenient to take, so that the cable is easy to bite by mice, and the phenomenon of electric leakage of the cable occurs.
Aiming at the problems, the novel design is carried out on the basis of the original mineral insulation fireproof cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mineral insulation fireproof cable with insulating sheath branch structure to propose current mineral insulation fireproof cable when the conflagration breaing out in solving above-mentioned background art, the relatively poor burning that prevents the cable further of being not convenient for of fire behavior, thereby the practicality of mineral insulation fireproof cable has been reduced, when using in the open air, be not convenient for play certain self safeguard measure, thereby lead to the cable to be gnawed by the mouse easily and sting, make the problem of the phenomenon of electric leakage appear in the cable.
In order to achieve the above object, the utility model provides a following technical scheme: a mineral insulation fireproof cable with an insulation sheath branch structure comprises an outer protection layer, an inner insulation sheath and a cable core, wherein a protection sleeve is fixedly arranged on the outer side of the outer protection layer, a fixed column is arranged inside the protective sleeve, a moving rod is arranged at the upper end of the fixed column, a spine is fixedly arranged at the upper end of the moving rod, the moving rod and the fixed column are connected with each other through a return spring, a cavity is arranged inside the upper end of the protective sleeve, the cavity is filled with a rat repelling agent, the inner side of the outer protective layer is provided with a waterproof layer, the inner side of the waterproof layer is provided with a high temperature resistant layer in a fitting manner, the inner side of the high temperature resistant layer is provided with a flame retardant layer, and the inside mounting on fire-retardant layer has the gasbag, the fire prevention filling layer is installed to the inboard on fire-retardant layer, and the internally mounted of fire prevention filling layer has interior insulating sheath to the cable core is installed in the laminating of the inside of interior insulating sheath.
Preferably, the lag is evenly distributed on the outside of outer protective layer, and the cavity has all been seted up to the upper end of lag to the inside of cavity all is filled with rat repelling agent.
Preferably, the inner wall of the fixed column and the outer wall of the moving rod are mutually attached, and a sliding connection structure is formed between the moving rod and the fixed column.
Preferably, the return spring between the moving rod and the fixed column is in a compressed state, and the moving rod and the spine form an integrated structure.
Preferably, the air cells are uniformly distributed inside the flame retardant layer, and the inside of the air cells is filled with an inert gas.
Preferably, the gasbag is located the middle part on high temperature resistant layer and fire prevention filling layer, and the upper and lower avris of gasbag respectively with high temperature resistant layer and fire prevention filling layer between laminate each other.
Compared with the prior art, the beneficial effects of the utility model are that: the mineral insulation fireproof cable with the insulation sheath branch structure can play a good flame retardant role in the case of fire, improve the practicability of the mineral insulation fireproof cable, play a certain self-protection measure in the case of outdoor use, and avoid the cable from being damaged by mice;
1. the fire-retardant fire-extinguishing bag is provided with the air bag, when a fire disaster happens, a certain fire-retardant effect can be achieved through the fire-retardant layer, meanwhile, the air bag in the fire-retardant layer is burnt out, when the air bag is broken, inert gas in the air bag is leaked outwards, and the effect of flame-retardant fire extinguishing can be further achieved through the leaked inert gas;
2. be provided with the lag, when the mouse gnaw and stings the lag, through the inside rat repelling agent of lag upper end cavity to can send the peculiar smell, and then can play the rat repelling effect through the peculiar smell that sends, simultaneously when the lag is stung the breakage, the carriage release lever resets under reset spring's effect, the carriage release lever entering after resetting can drive the spine and carry out synchronous motion, and then can further prevention mouse continues to gnaw and stings the cable through the spine.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view of the fixing column and the moving rod of the present invention;
fig. 4 is a schematic view of the sectional structure of the protection cover and the cavity of the present invention.
In the figure: 1. an outer protective layer; 2. a protective sleeve; 3. fixing a column; 4. a travel bar; 5. pricking with a sharp point; 6. a return spring; 7. a cavity; 8. a rodenticide; 9. a waterproof layer; 10. a high temperature resistant layer; 11. an air bag; 12. a flame retardant layer; 13. a fire-resistant filler layer; 14. an inner insulating sheath; 15. and a cable core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a mineral insulation fireproof cable with an insulation sheath branch structure comprises an outer protection layer 1, a protection sleeve 2, a fixed column 3, a moving rod 4, a spine 5, a reset spring 6, a cavity 7, a mouse repellent 8, a waterproof layer 9, a high temperature resistant layer 10, an air bag 11, a flame retardant layer 12, a fireproof filling layer 13, an inner insulation sheath 14 and a cable core 15, wherein the protection sleeve 2 is fixedly installed on the outer side of the outer protection layer 1, the fixed column 3 is installed inside the protection sleeve 2, the moving rod 4 is installed at the upper end of the fixed column 3, the spine 5 is fixedly installed at the upper end of the moving rod 4, the moving rod 4 and the fixed column 3 are connected with each other through the reset spring 6, the cavity 7 is formed inside the upper end of the protection sleeve 2, the mouse repellent 8 is filled inside the cavity 7, the waterproof layer 9 is installed on the inner side of the outer protection layer 1, and the high temperature resistant layer, fire-retardant layer 12 is installed to the inboard of high temperature resistant layer 10, and the internally mounted of fire-retardant layer 12 has gasbag 11, and fire prevention filling layer 13 is installed to the inboard of fire-retardant layer 12, and the internally mounted of fire prevention filling layer 13 has interior insulating sheath 14 to cable core 15 is installed in the laminating of the inside of interior insulating sheath 14.
Laminating each other between the inner wall of fixed column 3 and the outer wall of carriage release lever 4, and constitute sliding connection structure between carriage release lever 4 and the fixed column 3, thereby can drive spine 5 through carriage release lever 4 in the motion of fixed column 3 inside and carry out synchronous motion.
Reset spring 6 between carriage release lever 4 and the fixed column 3 is in compression state, and is integrated structure between carriage release lever 4 and the spine 5, through compression state's reset spring 6, when lag 2 broke, reset spring 6 reset, and carriage release lever 4 upward movement this moment prevents through the spine 5 of carriage release lever 4 upper end that the mouse from continuing to gnaw the cable.
Gasbag 11 is at the inside evenly distributed of fire-retardant layer 12, and the inside packing of gasbag 11 has inert gas, gasbag 11 is located the middle part of high temperature resistant layer 10 and fire prevention filling layer 13, and the last downside of gasbag 11 laminates each other between with high temperature resistant layer 10 and the fire prevention filling layer 13 respectively, gasbag 11 through the inside evenly distributed of fire-retardant layer 12 to thereby can play certain fire-retardant effect of putting out a fire through the inside inert gas of gasbag 11 when the conflagration breaks out.
The working principle is as follows: when the mineral insulation fireproof cable with the insulation sheath branch structure is used, firstly, as shown in fig. 1-4, when the cable is used outdoors and is bitten by a mouse, as shown in fig. 1 and 4, the mouse bites the protective sheath 2, peculiar smell is emitted through a mouse repellent agent 8 in a cavity 7 at the upper end of the protective sheath 2, and the mouse can be repelled through the emitted peculiar smell, as shown in fig. 1-3, meanwhile, when the mouse continuously bites the protective sheath 2 to bite the protective sheath 2 to break, the protective sheath 2 is broken, so that the reset spring 6 drives the movable rod 4 to reset, the movable rod 4 resets, so that the spikes 5 can perform synchronous motion, and the mouse can be further prevented from continuously biting the cable through the spikes 5 on the movable rod 4;
as shown in fig. 1, when a fire occurs, the outer layer of the cable is burned, so that the flame-retardant layer 12 inside the cable can play a certain role in fire prevention, and at the same time, the airbag 11 inside the flame-retardant layer 12 is burned and broken, the breakage of the airbag 11 further causes the inside inert gas to leak outwards, and the inert gas leaking outwards can further play a role in flame-retardant and fire-extinguishing, as shown in fig. 1, the inner side of the flame-retardant layer 12 is attached to the fireproof filling layer 13 after being installed, and the fireproof filling layer 13 can play a role in flame-retardant again, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mineral insulation fireproof cable with insulating sheath branch structure, includes outer protective layer (1), interior insulating sheath (14) and cable core (15), its characterized in that: the protective sleeve is characterized in that a protective sleeve (2) is fixedly mounted on the outer side of the outer protective layer (1), a fixing column (3) is mounted inside the protective sleeve (2), a moving rod (4) is mounted at the upper end of the fixing column (3), a spine (5) is fixedly mounted at the upper end of the moving rod (4), the moving rod (4) and the fixing column (3) are connected with each other through a reset spring (6), a cavity (7) is formed in the upper end of the protective sleeve (2), a mouse repellent (8) is filled in the cavity (7), a waterproof layer (9) is mounted on the inner side of the outer protective layer (1), a high-temperature-resistant layer (10) is mounted on the inner side of the waterproof layer (9) in a fit mode, a flame-retardant layer (12) is mounted on the inner side of the high-temperature-resistant layer (10), an air bag (11) is mounted inside the flame-retardant layer (12), and, and an inner insulating sheath (14) is arranged inside the fireproof filling layer (13), and a cable core (15) is attached inside the inner insulating sheath (14).
2. A mineral insulated fireproof cable having an insulating sheath branch structure according to claim 1, wherein: lag (2) evenly distributed on the outside of outer protective layer (1), and cavity (7) have all been seted up to the upper end of lag (2) to the inside of cavity (7) all is filled with rat repelling agent (8).
3. A mineral insulated fireproof cable having an insulating sheath branch structure according to claim 1, wherein: the inner wall of the fixed column (3) and the outer wall of the moving rod (4) are mutually attached, and a sliding connection structure is formed between the moving rod (4) and the fixed column (3).
4. A mineral insulated fireproof cable having an insulating sheath branch structure according to claim 1, wherein: the reset spring (6) between the moving rod (4) and the fixed column (3) is in a compressed state, and the moving rod (4) and the spine (5) are in an integrated structure.
5. A mineral insulated fireproof cable having an insulating sheath branch structure according to claim 1, wherein: the air bags (11) are uniformly distributed in the flame-retardant layer (12), and inert gas is filled in the air bags (11).
6. A mineral insulated fireproof cable having an insulating sheath branch structure according to claim 1, wherein: the air bag (11) is positioned in the middle of the high-temperature-resistant layer (10) and the fireproof filling layer (13), and the upper side and the lower side of the air bag (11) are respectively attached to the high-temperature-resistant layer (10) and the fireproof filling layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412789.2U CN211294661U (en) | 2020-03-27 | 2020-03-27 | Mineral insulation fireproof cable with insulating sheath branch structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412789.2U CN211294661U (en) | 2020-03-27 | 2020-03-27 | Mineral insulation fireproof cable with insulating sheath branch structure |
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| CN211294661U true CN211294661U (en) | 2020-08-18 |
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| CN202020412789.2U Active CN211294661U (en) | 2020-03-27 | 2020-03-27 | Mineral insulation fireproof cable with insulating sheath branch structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093562A (en) * | 2021-10-29 | 2022-02-25 | 江苏帝诚线缆有限公司 | Fire monitoring is with fire-retardant fireproof cable |
| CN114267487A (en) * | 2021-12-22 | 2022-04-01 | 汪彬 | Composite cable with overheat protection function |
-
2020
- 2020-03-27 CN CN202020412789.2U patent/CN211294661U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093562A (en) * | 2021-10-29 | 2022-02-25 | 江苏帝诚线缆有限公司 | Fire monitoring is with fire-retardant fireproof cable |
| CN114093562B (en) * | 2021-10-29 | 2023-12-08 | 江苏帝诚线缆有限公司 | Fire monitoring is with fire-retardant fireproof cable |
| CN114267487A (en) * | 2021-12-22 | 2022-04-01 | 汪彬 | Composite cable with overheat protection function |
| CN114267487B (en) * | 2021-12-22 | 2024-01-05 | 东莞市永晟电线科技股份有限公司 | Composite cable with overheat protection function |
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