CN213877630U - Fireproof stretch-resistant cable - Google Patents
Fireproof stretch-resistant cable Download PDFInfo
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- CN213877630U CN213877630U CN202022414603.XU CN202022414603U CN213877630U CN 213877630 U CN213877630 U CN 213877630U CN 202022414603 U CN202022414603 U CN 202022414603U CN 213877630 U CN213877630 U CN 213877630U
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- inoxidizing coating
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Abstract
The utility model provides a fire prevention stretch-proofing cable, including outer inoxidizing coating and support bar, the laminating has the support bar to be hugged closely to the inner wall of outer inoxidizing coating, and the inner wall of support bar closely laminates and has the blotter, and the inside embedding of outer inoxidizing coating is provided with wired cable core, the right side fixedly connected with go-between of outer inoxidizing coating, and the left side opening of outer inoxidizing coating is provided with the spread groove, and the equal fixed mounting in end has the cushion socket about outer inoxidizing coating inner wall, and the equal fixedly connected with buffer spring in end about the cushion. The utility model discloses possess good stretch-proofing and fire behavior, can cushion the tensile force that the cable received, the cable is difficult to the fracture, further improvement the life of device.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a fire prevention stretch-proofing cable.
Background
Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. The performance indexes of the cable performance are reflected in the aspects of fire resistance, moisture resistance, explosion resistance, corrosion resistance, temperature performance, expansion performance, tensile strength, elasticity, plasticity, hardness, toughness, fatigue strength and the like besides the self conductivity. Among them, the requirements for the fire-proof performance of cables are the most strict, and according to the statistics of relevant national departments, in the cause of fire, the fire caused by electric lines reaches more than 50%.
Patent number is CN 201820634512.7's a corrosion-resistant mineral fireproof cable among prior art, including the epidermal layer, the inside laminating of epidermal layer has the inlayer, and inlayer internal connection has the protective layer, the inside laminating of protective layer has the protection pad, the inside laminating of inlayer has the inner bolster, and the inside fixedly connected with conductive core of inner bolster, the inside laminating of conductive core has the inner core circle, and inner core circle internal connection has the inner core, the inside fixedly connected with guard circle of epidermal layer.
This corrosion-resistant mineral fire prevention cable outside is the crust of laminating groove structure, can work under some specific environment, can make the cable outward appearance play wear-resistant effect for groove structure's crust at the cable during operation, can increase the life of cable like this, the inside fluting form of this cable outside epidermal layer, can play the effect of slowing down friction like this when rubbing between cable and object, can make the epidermal layer play wear-resistant effect like this, thereby increase the messenger's life-span of cable. However, although this cable can be made abrasion resistant in actual use, it is weak in tensile resistance and easily broken when it is stretched.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art, and provides a fireproof and stretch-proof cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fire prevention stretch-proofing cable, includes outer inoxidizing coating and support bar, the laminating is hugged closely to the inner wall of outer inoxidizing coating has the support bar, the inner wall of support bar closely laminates there is the blotter, the inside embedding of outer inoxidizing coating is provided with wired cable core, the right side fixedly connected with go-between of outer inoxidizing coating, the left side opening of outer inoxidizing coating is provided with the spread groove, the equal fixed mounting in end has the cushion socket about outer inoxidizing coating inner wall, the inside equal fixedly connected with buffer spring in end about the cushion socket, the inside embedding of cushion socket is provided with the spliced pole.
Preferably, the connecting ring on the right side of the outer protective layer is embedded into the connecting groove of the adjacent outer protective layer, and the connecting ring is matched with the connecting groove.
Preferably, the outer protective layer is a mica tape outer protective layer, and the adjacent outer protective layers are tightly attached together.
Preferably, the number of the supporting bars is 6-8, and the supporting bars are arranged around the middle part of the outer protective layer in a circular ring shape.
Preferably, the buffer pad is tightly attached to the outer wall of the cable core, and a plurality of honeycomb-shaped through holes are formed in the buffer pad.
Preferably, the left end and the right end of the connecting column are respectively embedded into the buffer seats of the adjacent outer protective layers, and the connecting column slides left and right in the horizontal direction in the buffer seats.
Preferably, when the buffer spring is in an initial uncompressed extension state, two adjacent outer protective layers are tightly attached together.
The utility model provides a fire prevention stretch-proofing cable has following beneficial effect:
1. this kind of fire prevention stretch-proofing cable is through being provided with the cushion socket for when the cable is by tensile, the go-between of outer inoxidizing coating removes in the spread groove of adjacent outer inoxidizing coating, at this moment the spliced pole extrusion between the adjacent outer inoxidizing coating and the buffer spring in the tensile cushion socket, through buffer spring's compression and extension in the cushion socket, cushion the tensile force that the device received, further improvement the stretch-proofing performance of device.
2. This kind of fire prevention stretch-proofing cable is through being provided with outer inoxidizing coating, because outer inoxidizing coating is mica tape outband inoxidizing coating, the mica tape has very high insulating, adiabatic performance, and the go-between of outer inoxidizing coating still is located the spread groove of adjacent outer inoxidizing coating when the cable is stretched, can not have the clearance between the adjacent outer inoxidizing coating, makes the cable have good fire prevention fire behaviour.
Drawings
FIG. 1 is a schematic sectional view of the overall front structure of the present invention;
FIG. 2 is a right side sectional view of the overall structure of the present invention;
fig. 3 is a right side schematic view of the local structure of the middle buffer seat of the present invention.
Illustration of the drawings:
1-an outer protective layer, 2-a support bar, 3-a buffer pad, 4-a cable core, 5-a connecting ring, 6-a connecting groove, 7-a buffer seat, 701-a buffer spring and 8-a connecting column.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a fire prevention stretch-proofing cable, including outer inoxidizing coating 1 and support bar 2, the inner wall of outer inoxidizing coating 1 is hugged closely and is laminated support bar 2, the inner wall of support bar 2 is closely laminated blotter 3, the inside embedding of outer inoxidizing coating 1 is provided with cable core 4, the right side fixedly connected with go-between 5 of outer inoxidizing coating 1, the left side opening of outer inoxidizing coating 1 is provided with spread groove 6, the equal fixed mounting in left and right ends of 1 inner wall of outer inoxidizing coating has buffer seat 7, the equal fixedly connected with buffer spring 701 in the end about buffer seat 7 is inside, the inside embedding of buffer seat 7 is provided with spliced pole 8.
In this embodiment, the connection ring 5 on the right side of the outer protection layer 1 is embedded into the connection groove 6 of the adjacent outer protection layer 1, the connection ring 5 is matched with the connection groove 6, when the cable is stretched, the connection ring 5 of the outer protection layer 1 is still located in the connection groove 6 of the adjacent outer protection layer 1, and no gap exists between the adjacent outer protection layers 1, so that the cable has good fireproof and flame retardant properties when having good tensile properties.
In this embodiment, the outer protective layer 1 is a mica tape outer protective layer, the adjacent outer protective layers 1 are tightly attached together, when the cable is stretched, the connecting ring 5 of the outer protective layer 1 is still located in the connecting groove 6 of the adjacent outer protective layer 1, and no gap exists between the adjacent outer protective layers 1, so that the cable has good fireproof and flame retardant properties while having good tensile properties.
In this embodiment, the number of the support bars 2 is 6-8, and the support bars 2 are arranged around the middle part of the outer protective layer 1 in a circular ring shape, so that the buffer pads 3 on the inner wall of the support bars 2 can buffer the acting force on each surface of the outer wall of the outer protective layer 1.
In this embodiment, 3 outer walls at cable core 4 are hugged closely to blotter, and the inside of blotter 3 is provided with the through-hole of a plurality of "honeycomb" forms for when outer inoxidizing coating 1 is receiving the extrusion, 3 extrusion cable cores 4 of blotter of support bar 2, the power that the external inoxidizing coating 1 received through the compression of blotter 3 cushions, further improvement the compressive property of device.
In this embodiment, the end imbeds respectively about spliced pole 8 and sets up inside 7 of buffer seat of adjacent outer inoxidizing coating 1, spliced pole 8 is horizontal direction horizontal slip in the inside of buffer seat 7, the cable is when being stretched, spliced pole 8 extrusion between the adjacent outer inoxidizing coating 1 and the buffer spring 701 in the tensile buffer seat 7, through buffer spring 701's compression and extension in the buffer seat 7, cushion the tensile force that the device received, further improvement the stretch resistance performance of device.
In this embodiment, when buffer spring 701 is in the initial uncompressed extended state, hug closely together between two adjacent outer inoxidizing coating 1, the cable is when being stretched, and the buffer spring 701 in spliced pole 8 extrusion and the tensile buffering seat 7 between the adjacent outer inoxidizing coating 1, through buffer spring 701's compression and extension in the buffering seat 7, cushions the tensile force that the device received, further improvement the anti tensile property of device.
The working principle is as follows: when the cable is being stretched, go-between 5 of outer inoxidizing coating 1 removes in the spread groove 6 of adjacent outer inoxidizing coating 1, at this moment the spliced pole 8 extrusion between the adjacent outer inoxidizing coating 1 with tensile buffer spring 701 in the buffering seat 7, through buffer spring 701's compression and extension in the buffering seat 7, cushion the tensile force that the device received, further the tensile resistance that has improved the device, because outer inoxidizing coating 1 is the outer inoxidizing coating of mica tape, the mica tape has very high insulation, thermal-insulated performance, and the go-between 5 of outer inoxidizing coating 1 still is located the spread groove 6 of adjacent outer inoxidizing coating 1 when the cable is stretched, can not have the clearance between the adjacent outer inoxidizing coating 1, make the cable have good fire prevention fire behavior.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a fire prevention stretch-proofing cable, includes outer inoxidizing coating (1) and support bar (2), the inner wall of outer inoxidizing coating (1) is hugged closely the laminating and is had support bar (2), its characterized in that: the inner wall of support bar (2) closely laminates and has blotter (3), the inside embedding of outer inoxidizing coating (1) is provided with cable core (4), the right side fixedly connected with go-between (5) of outer inoxidizing coating (1), the left side opening of outer inoxidizing coating (1) is provided with spread groove (6), the equal fixed mounting of the left and right ends of outer inoxidizing coating (1) inner wall has buffer seat (7), buffer seat (7) inside about the equal fixedly connected with buffer spring (701) of end, the inside embedding of buffer seat (7) is provided with spliced pole (8).
2. The fire resistant, stretch resistant cable of claim 1, wherein: the outer protective layer (1) is embedded into a connecting groove (6) of the adjacent outer protective layer (1) through a connecting ring (5) on the right side of the outer protective layer, and the connecting ring (5) is matched with the connecting groove (6).
3. The fire resistant, stretch resistant cable of claim 1, wherein: the outer protective layers (1) are mica tape outer protective layers, and the adjacent outer protective layers (1) are tightly attached together.
4. The fire resistant, stretch resistant cable of claim 1, wherein: the number of the support bars (2) is 6-8, and the support bars (2) are arranged around the middle part of the outer protective layer (1) in a circular ring shape.
5. The fire resistant, stretch resistant cable of claim 1, wherein: the buffer pad (3) is tightly attached to the outer wall of the cable core (4), and a plurality of honeycomb-shaped through holes are formed in the buffer pad (3).
6. The fire resistant, stretch resistant cable of claim 1, wherein: the left end and the right end of the connecting column (8) are respectively embedded into the buffer seat (7) of the adjacent outer protective layer (1), and the connecting column (8) slides left and right in the horizontal direction in the buffer seat (7).
7. The fire resistant, stretch resistant cable of claim 1, wherein: when the buffer spring (701) is in an initial uncompressed extension state, two adjacent outer protective layers (1) are tightly attached together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022414603.XU CN213877630U (en) | 2020-10-27 | 2020-10-27 | Fireproof stretch-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022414603.XU CN213877630U (en) | 2020-10-27 | 2020-10-27 | Fireproof stretch-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213877630U true CN213877630U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022414603.XU Active CN213877630U (en) | 2020-10-27 | 2020-10-27 | Fireproof stretch-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213877630U (en) |
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2020
- 2020-10-27 CN CN202022414603.XU patent/CN213877630U/en active Active
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