CN216435522U - Cable with low smoke zero halogen flame retardant belt layer - Google Patents
Cable with low smoke zero halogen flame retardant belt layer Download PDFInfo
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- CN216435522U CN216435522U CN202123198088.7U CN202123198088U CN216435522U CN 216435522 U CN216435522 U CN 216435522U CN 202123198088 U CN202123198088 U CN 202123198088U CN 216435522 U CN216435522 U CN 216435522U
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Abstract
The utility model discloses a cable with fire-retardant band layer of low smoke and zero halogen, include: the inner side end of the protective sleeve assembly is provided with an installation cavity, the inner wall end of the protective sleeve assembly is provided with a support assembly through the installation cavity, and the inner side end of the support assembly is provided with a first installation sleeve; the second mounting sleeve is mounted at the outer side end of the first mounting sleeve monomer, a supporting frame which is connected with the first mounting sleeve is arranged on the inner side of the second mounting sleeve, and a mounting strip is attached to the inner top corner of the supporting frame; the filler, it sets up in the medial extremity of first installation cover and second installation cover, and the inside of filler runs through and is provided with the wire core to the spread groove has been seted up at one side middle part that protective sheath subassembly inner wall end was kept away from to first installation cover. This cable with fire-retardant band layer of low smoke and zero halogen wholly possesses better fire behaviour, can effectively avoid the whole conflagration that takes place in the use of cable, has strengthened holistic compressive property simultaneously.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a cable with fire-retardant band layer of low smoke and zero halogen.
Background
The cable is an electric energy or signal transmission device, is usually made of one or more mutually insulated conductors and an outer insulating protective layer, and plays an important role in the life of people, but most of the existing cables have certain defects, such as the defects;
for example, the high-flame-retardant low-smoke halogen-free oxygen-insulating layer subway cable with the publication number of CN209691454U granted by Chinese patent comprises a lead core, wherein the outer side of the lead core is sequentially wrapped with an insulating layer and a woven copper mesh; the woven copper mesh is filled with an intumescent flame retardant, the outer side of the woven copper mesh is wrapped with a sheath layer, and a replaceable sheath is arranged on the outer side of the sheath layer; the outer circumferential surface of the sheath layer is provided with a plurality of annular convex edges which are uniformly distributed along the length direction of the sheath layer; the replaceable sheath is formed by connecting a plurality of sub-sheaths end to end, the sub-sheaths are provided with openings extending along the length direction of the sub-sheaths, and the inner walls of the sub-sheaths are provided with annular grooves matched with the annular convex ridges; the two ends of the sub-sheath are respectively provided with a nylon cable tie and are fastened outside the sheath layer through the nylon cable tie. The utility model discloses flame retardant efficiency is good.
However, the above prior art solutions have the following drawbacks: it does not wholly have better compressive property, leads to the whole easy fracture that takes place in the use of cable to shorten the life of cable, and then there is certain use defect, consequently, we propose a cable with fire-retardant band layer of low smoke and zero halogen, so that solve the problem of proposing in the aforesaid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable with fire-retardant band layer of low smoke and zero halogen to it wholly does not possess better compressive property to solve it that proposes in the above-mentioned background art, leads to the whole easy fracture that takes place of cable in the use, thereby has shortened the life of cable, and then has certain service defect's problem.
In order to achieve the above purpose, the utility model provides a following technical scheme: a cable having a low smoke, zero halogen, flame retardant tape layer comprising:
the inner side end of the protective sleeve assembly is provided with an installation cavity, the inner wall end of the protective sleeve assembly is provided with a support assembly through the installation cavity, and the inner side end of the support assembly is provided with a first installation sleeve;
the second mounting sleeve is mounted at the outer side end of the first mounting sleeve monomer, a supporting frame which is connected with the first mounting sleeve is arranged on the inner side of the second mounting sleeve, and a mounting strip is attached to the inner top corner of the supporting frame;
the filling piece is arranged at the inner side ends of the first installation sleeve and the second installation sleeve, a wire core penetrates through the inside of the filling piece, and a connecting groove is formed in the middle of one side, away from the inner wall end of the protective sleeve assembly, of the first installation sleeve.
Preferably, the protective sleeve component comprises a low-smoke halogen-free flame-retardant belt protective layer, a heat insulation layer and a connecting layer;
the low-smoke halogen-free flame-retardant belt protective layer is internally embedded with a heat insulation layer;
and the connecting layer is mounted at the inner side end of the heat insulation layer in a laminating manner.
Preferably, the support assembly comprises a support block and a pressure resistant bar;
the outer side end of the single body of the supporting block is connected with the protective sleeve component through the mounting cavity;
and the compression-resistant strip is obliquely arranged at the inner side end and is respectively connected with the first mounting sleeve and the second mounting sleeve.
Preferably, the supporting blocks are arranged at equal angles at the inner side ends of the protective sleeve assembly, and the supporting block monomers and the pressure-resistant strip monomers are arranged in a one-to-many manner.
Preferably, the first mounting sleeve and the second mounting sleeve are arranged on the inner side of the protective sleeve assembly in a staggered manner, and the second mounting sleeve is arc-shaped.
Preferably, the support frame is connected with the first mounting sleeve through a connecting groove in a clamping manner, and the cross section of the support frame is in a cross shape.
Compared with the prior art, the beneficial effects of the utility model are that: the cable with the low-smoke halogen-free flame-retardant belt layer has better flame-retardant performance on the whole, can effectively avoid fire disaster of the whole cable in the using process, and simultaneously enhances the whole compression resistance;
1. the low-smoke halogen-free flame-retardant belt protective layer is internally embedded with the heat insulation layer, the connecting layer is attached to the inner side end of the heat insulation layer, the low-smoke halogen-free flame-retardant belt protective layer mainly comprises glass fiber cloth and a flame-retardant adhesive, and the whole flame-retardant effect is enhanced by the low-smoke halogen-free flame-retardant belt protective layer when the low-smoke halogen-free flame-retardant belt protective layer is used;
2. the supporting blocks are arranged at equal angles at the inner side ends of the protective sleeve assembly, the supporting block monomers and the compression resistant strip monomers are arranged in a one-to-many manner, and the outer side ends of the supporting block monomers are connected with the protective sleeve assembly through the mounting cavity, so that the overall compression resistant performance is enhanced;
3. the supporting frame is connected with the first installation sleeve in a clamping mode through the connecting grooves, the cross section of the supporting frame is in a cross shape, the supporting frame has a good supporting effect on the first installation sleeve, and meanwhile the supporting effect on the conductor core is enhanced through the installation strips and the filling pieces.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure 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 view of the connection structure of the support frame and the mounting bar of the present invention;
fig. 4 is a schematic view of the overall structure of the protective sleeve assembly of the present invention.
In the figure: 1. a protective sleeve assembly; 101. a low smoke halogen-free flame retardant belt protective layer; 102. a thermal insulation layer; 103. a connecting layer; 2. a mounting cavity; 3. a support assembly; 301. a support block; 302. anti-pressing strips; 4. a first mounting sleeve; 5. a second mounting sleeve; 6. a support frame; 7. mounting a bar; 8. a filling member; 9. a wire core; 10. and connecting the grooves.
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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a cable with fire-retardant band layer of low smoke and zero halogen, installation cavity 2 has been seted up including the medial extremity of protective sheath subassembly 1, and supporting component 3 is installed through installation cavity 2 to the inner wall end of protective sheath subassembly 1, and the medial extremity of supporting component 3 is provided with first installation cover 4, second installation cover 5 is installed in 4 monomer outside ends of first installation cover, and the inboard of second installation cover 5 is provided with the support frame 6 with 4 interconnect of first installation cover, and the laminating of the interior apex angle department of support frame 6 is provided with mounting bar 7, filler 8 sets up in the medial extremity of first installation cover 4 and second installation cover 5 simultaneously, and the inside of filler 8 runs through and is provided with wire core 9, and one side middle part that protective sheath subassembly 1 inner wall end was kept away from to first installation cover 4 has seted up spread groove 10, the combination constitutes the cable that has fire-retardant band layer of low smoke and zero halogen.
When using this cable with fire-retardant belting of low smoke and zero halogen, it is specific as shown in fig. 1 and fig. 4, because the inside of low smoke and zero halogen fire-retardant belting protective layer 101 is inlayed and is provided with heat insulating layer 102, and the medial extremity in heat insulating layer 102 is installed to articulamentum 103 laminating formula, low smoke and zero halogen fire-retardant belting protective layer 101 mainly comprises glass cloth, fire-retardant adhesive, holistic fire-retardant effect has been strengthened to low smoke and zero halogen fire-retardant belting protective layer 101 when using, thereby holistic life has been prolonged, simultaneously heat insulating layer 102 and articulamentum 103 can effectively block stretching of the intensity of a fire.
Specifically, as shown in fig. 1 and fig. 2, since the outer end of the supporting block 301 is connected to the protective sheath assembly 1 through the mounting cavity 2, and the pressure-resistant strip 302 is installed at the inner end of the supporting block 301 in an inclined manner, and the supporting block 301 is disposed at the inner end of the protective sheath assembly 1 at an equal angle, and the supporting block 301 and the pressure-resistant strip 302 are disposed in a one-to-many manner, when the cable is extruded in the use process, the supporting block 301 in contact with the protective sheath assembly 1 supports the protective sheath assembly 1, and the pressure-resistant strip 302 disposed in an inclined manner disperses the pressure on the supporting block 301, thereby enhancing the overall pressure-resistant performance.
As shown in fig. 1 and 3, the first mounting sleeves 4 and the second mounting sleeves 5 are staggered on the inner side of the protective sheath assembly 1, and the second mounting sleeves 5 are circular arc-shaped, so that when in use, the first mounting sleeves 4 and the second mounting sleeves 5 have a mounting effect on the wire core 9, and meanwhile, the filling members 8 arranged at the inner ends of the first mounting sleeves 4 and the second mounting sleeves 5 are tightly connected with the wire core 9, so that the wire core 9 is buffered and mounted;
because the support frame 6 is connected with the first installation sleeve 4 through the connecting groove 10 in a clamping manner, and the cross section of the support frame 6 is in a cross shape, during installation, one end of the inner side of the single body of the wire core 9, which is close to the central shaft of the support frame 6, is tightly connected with the installation strip 7, at the moment, the installation strip 7 respectively has a better supporting effect on the single body of the wire core 9, meanwhile, the support frame 6 plays a role in separating and installing the wire core 9, the support frame 6 strengthens the supporting effect on the wire core 9 through the filling piece 8, the tightness of the connection and installation of the filling piece 8 and the wire core 9 is ensured, and the support frame 6 always has a better supporting effect on the first installation sleeve 4, so that the service life of the whole cable is prolonged, and the use method of the cable with the low-smoke halogen-free flame-retardant belt layer is provided.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A cable with low smoke zero halogen flame retardant belt layer is characterized in that: the method comprises the following steps:
the inner side end of the protective sleeve assembly is provided with an installation cavity, the inner wall end of the protective sleeve assembly is provided with a support assembly through the installation cavity, and the inner side end of the support assembly is provided with a first installation sleeve;
the second mounting sleeve is mounted at the outer side end of the first mounting sleeve monomer, a supporting frame which is connected with the first mounting sleeve is arranged on the inner side of the second mounting sleeve, and a mounting strip is attached to the inner top corner of the supporting frame;
the filler, it sets up in the medial extremity of first installation cover and second installation cover, and the inside of filler runs through and is provided with the wire core to the spread groove has been seted up at one side middle part that protective sheath subassembly inner wall end was kept away from to first installation cover.
2. The cable with low smoke zero halogen flame retardant tape layer according to claim 1, characterized in that: the protective sleeve component comprises a low-smoke halogen-free flame-retardant belt protective layer, a heat insulation layer and a connecting layer;
the low-smoke halogen-free flame-retardant belt protective layer is internally embedded with a heat insulation layer;
and the connecting layer is mounted at the inner side end of the heat insulation layer in a laminating manner.
3. The cable with low smoke zero halogen flame retardant tape layer according to claim 1, characterized in that: the supporting component comprises a supporting block and a pressure-resistant strip;
the outer side end of the single body of the supporting block is connected with the protective sleeve component through the mounting cavity;
and the compression-resistant strip is obliquely arranged at the inner side end and is respectively connected with the first mounting sleeve and the second mounting sleeve.
4. A cable having a low smoke zero halogen flame retardant tape layer according to claim 3, wherein: the supporting blocks are arranged at the inner side ends of the protective sleeve components at equal angles, and the supporting block monomers and the pressure-resistant strip monomers are arranged in a one-to-many mode.
5. The cable with low smoke zero halogen flame retardant tape layer according to claim 1, characterized in that: the first mounting sleeve and the second mounting sleeve are arranged on the inner side of the protective sleeve assembly in a staggered mode, and the second mounting sleeve is arc-shaped.
6. The cable with low smoke zero halogen flame retardant tape layer according to claim 1, characterized in that: the support frame is connected with the first mounting sleeve in a clamping mode through the connecting groove, and the cross section of the support frame is in a cross shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123198088.7U CN216435522U (en) | 2021-12-20 | 2021-12-20 | Cable with low smoke zero halogen flame retardant belt layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123198088.7U CN216435522U (en) | 2021-12-20 | 2021-12-20 | Cable with low smoke zero halogen flame retardant belt layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216435522U true CN216435522U (en) | 2022-05-03 |
Family
ID=81318479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123198088.7U Active CN216435522U (en) | 2021-12-20 | 2021-12-20 | Cable with low smoke zero halogen flame retardant belt layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216435522U (en) |
-
2021
- 2021-12-20 CN CN202123198088.7U patent/CN216435522U/en active Active
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