CN210467359U - Fire-retardant type cable of preventing fires - Google Patents
Fire-retardant type cable of preventing fires Download PDFInfo
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- CN210467359U CN210467359U CN201922152065.9U CN201922152065U CN210467359U CN 210467359 U CN210467359 U CN 210467359U CN 201922152065 U CN201922152065 U CN 201922152065U CN 210467359 U CN210467359 U CN 210467359U
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- fire
- main
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- metal
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 52
- 239000004677 Nylon Substances 0.000 claims abstract description 22
- 229920001778 nylon Polymers 0.000 claims abstract description 22
- 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 abstract description 19
- 230000002265 prevention Effects 0.000 claims abstract description 19
- 238000004806 packaging method and process Methods 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a fire prevention fire-retardant type cable, including the main cable, main cable outer lane is provided with the insulating layer, the insulating layer outer lane is provided with fire prevention nylon layer, fire prevention nylon layer outer lane is provided with a plurality of packing layers, all be provided with main metal fire tube and vice metal fire tube between the packing layer, main metal fire tube bottom both ends position all is provided with the gag lever post, vice metal fire tube up end corresponds the gag lever post position and all is provided with the spacing groove. A fire prevention fire-retardant type cable, through set up insulating layer and nylon flame retardant coating in thread cable outer lane, have good fire behavior in isolated circuit, through setting up the packaging layer in nylon flame retardant coating outer lane, one section metal flame retardant pipe of setting up of every on the packaging layer, the metal flame retardant pipe that utilizes unable burning can block the intensity of a fire and stretch along the cable burning, promotes the fire prevention flame retardant property of cable.
Description
Technical Field
The utility model relates to a cable field, in particular to fire prevention fire-retardant type cable.
Background
In the process of carrying out transmission to electric power, need only have insulating layer and sheath through various cables as the carrier, cable outer lane commonly used, though can ensure the transmission of electric power, nevertheless can't protect the cable of inside when taking place the condition of a fire, the sheath of cable outer lane is easily fired and is melted, not only can't protect the internal cable and easily causes stretching of the condition of a fire, makes the harm that the condition of a fire caused enlarge, is unfavorable for the safety transportation of electric power.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a fire prevention fire-retardant type cable can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fire prevention fire-retardant type cable, includes the main cable, main cable outer lane is provided with the insulating layer, the insulating layer outer lane is provided with fire prevention nylon layer, fire prevention nylon layer outer lane is provided with a plurality of packing layers, all be provided with main metal flame retardant pipe and vice metal flame retardant pipe between the packing layer, main metal flame retardant pipe bottom both ends position all is provided with the gag lever post, vice metal flame retardant pipe up end corresponds the gag lever post position and all is provided with the spacing groove.
Preferably, the inner walls of the two ends of the main metal fireproof pipe and the inner walls of the two ends of the auxiliary metal fireproof pipe are provided with clamping grooves, and the two ends of the packaging layer are located in the clamping grooves and reach the bottom of the clamping grooves.
Preferably, a positioning pin is arranged in the middle of the upper wall of the clamping groove, a round hole is formed in the position, corresponding to the positioning pin, of the head of the packaging layer, a round groove is formed in the position, corresponding to the tail of the positioning pin, of the upper end face of the fireproof nylon layer, and the tail of the positioning pin penetrates through the round hole and reaches the round groove.
Preferably, the bottoms of two sides of the main metal fireproof pipe are respectively provided with a rubber pad, two ends of each rubber pad are provided with a rectangular groove, the limiting rod is located in the rectangular groove, and the tail of the limiting rod penetrates through the rectangular groove.
Preferably, the inner wall of one side of the limiting groove is provided with a main rack, the inclined surface of the main rack faces upwards, the limiting rod is provided with corresponding auxiliary racks close to the bottom of the inner wall of one side of the main rack, and the inclined surfaces of the auxiliary racks face downwards.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, through set up insulating layer and fire prevention nylon layer in the thread cable outer lane, certain fire-proof capability has under the circumstances of guaranteeing electric power safety, avoid inside cable directly to meet with the flame and burn, one section metal fire tube of setting up through the outer lane at the cable at every, the metal that utilizes unable burning is isolated to the intensity of a fire, avoid flame to continue to stretch along the cable, reduce the danger that the condition of a fire caused, through setting up the gag lever post in main metal fire tube bottom, and set up the spacing groove that corresponds at vice metal fire tube up end, utilize the gag lever post card to go into the position that the spacing groove can fix the metal fire tube, and convenient for install and use.
Drawings
Fig. 1 is a side sectional view of a fire-retardant cable of the present invention;
fig. 2 is a front cross-sectional view of a fire-retardant cable of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a main cable; 2. an insulating layer; 3. a packaging layer; 4. a primary metal fire resistant tube; 5. a secondary metal fire-resistant tube; 6. a card slot; 7. positioning a pin; 8. a limiting rod; 9. a limiting groove; 10. a main rack; 11. a secondary rack; 12. a circular hole; 13. a circular groove; 14. a fireproof nylon layer; 15. a rubber pad; 16. a rectangular groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a fire prevention fire retardation type cable, including main cable 1, main cable 1 outer lane is provided with insulating layer 2, insulating layer 2 outer lane is provided with fire prevention nylon layer 14, fire prevention nylon layer 14 outer lane is provided with a plurality of packing layers 3, all be provided with main metal flame retardant pipe 4 and vice metal flame retardant pipe 5 between the packing layer 3, main metal flame retardant pipe 4 bottom both ends position all is provided with gag lever post 8, 5 upper end of vice metal flame retardant pipe correspond gag lever post 8 position and all are provided with spacing groove 9.
The inner walls of the two ends of the main metal fireproof tube 4 and the auxiliary metal fireproof tube 5 are respectively provided with a clamping groove 6, and the two ends of the packaging layer 3 are positioned in the clamping grooves 6 and reach the bottom of the clamping grooves 6; a positioning pin 7 is arranged in the middle of the upper wall of the clamping groove 6, a round hole 12 is formed in the head of the packaging layer 3 corresponding to the position of the positioning pin 7, a round groove 13 is formed in the upper end face of the fireproof nylon layer 14 corresponding to the tail of the positioning pin 7, and the tail of the positioning pin 7 penetrates through the round hole 12 and reaches the round groove 13; rubber pads 15 are arranged at the bottoms of the two sides of the main metal fireproof tube 4, rectangular grooves 16 are formed in the positions of the two ends of each rubber pad 15, the limiting rod 8 is located in each rectangular groove 16, and the tail of each limiting rod 8 penetrates through each rectangular groove 16; the inner wall of one side of the limiting groove 9 is provided with a main rack 10, the inclined plane of the main rack 10 is upward, the bottom of the inner wall of one side of the limiting rod 8, which is close to the main rack 10, is provided with a corresponding auxiliary rack 11, and the inclined plane of the auxiliary rack 11 is downward.
It should be noted that, the utility model relates to a fire-retardant cable, by arranging an insulating layer 2 and a fire-retardant nylon layer 14 on the outer ring of a main cable 1, the cable has a certain fire-retardant capability under the condition of guaranteeing the electric power safety, and arranging a main metal fire-retardant pipe 4 and an auxiliary metal fire-retardant pipe 5 on the outer ring of the cable at intervals, and isolating the fire by using metal which can not be burnt, thereby avoiding the flame from continuously spreading along the cable, and reducing the fire hazard, when in use, the insulating layer 2 and the fire-retardant nylon layer 14 are arranged on the outer ring of the main cable 1, then a packaging layer 3 is arranged on the outer ring of the fire-retardant nylon layer 14, then the main metal fire-retardant pipe 4 and the auxiliary metal fire-retardant pipe 5 are arranged on the two ends of the packaging layer 3, the clamping grooves 6 on the two ends of the auxiliary metal fire-retardant pipe 5 are aligned to the head of the packaging layer 3 for, thereby fixing the packaging layer 3, then installing the main metal fireproof tube 4 at the position of the outer ring of the fireproof nylon layer 14 corresponding to the auxiliary metal fireproof tube 5, wherein the positioning pins 7 at two ends of the main metal fireproof tube 4 also penetrate through the packaging layer 3 and are clamped into the fireproof nylon layer 14, then aligning the limiting rods 8 at two ends of the bottom of the main metal fireproof tube 4 to the limiting grooves 9 at two ends of the auxiliary metal fireproof tube 5 below for installation, the limiting rods 8 gradually move downwards along the limiting grooves 9, the auxiliary rack 11 at one side of the limiting rods 8 is contacted with the main rack 10 at the inner wall at one side of the limiting grooves 9 and continuously moves downwards by extruding the helical teeth of the main rack 10, because the inclined plane of the main rack 10 is upward, the auxiliary rack 11 cannot move upwards through the main rack 10, the limiting rods 8 continuously move downwards along the limiting grooves 9, when the limiting rods 8 descend to a certain degree, the rubber pads 15 at the bottom of the main metal fireproof tube 4 are extruded and tightly attached to the upper end face of the auxiliary metal fireproof tube, the rubber pad 15 is stressed to be compressed and deformed until the limiting rod 8 descends to the maximum degree along the limiting groove 9, and at the moment, the main metal fireproof pipe 4 and the auxiliary metal fireproof pipe 5 reach a stable state, so that the cable can be put into use; when the cable runs into the condition of a fire burning, outside flame burns package layer 3 back and the contact of fire prevention nylon layer 14, receive the blockking of fire prevention nylon layer 14 and can't directly burn main cable 1, thereby protect main cable 1, when the great condition of a fire continues the tendril-span time delay, the flame of burning burns the cable and contacts with the main metal flame retardant pipe 4 and the vice metal flame retardant pipe 5 of outer lane, because the unable burning of metal material, consequently flame receives completely cut off when stretching, thereby avoid the condition of a fire to continue to burn the damage to the cable.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A fire-retardant type cable that prevents fires which characterized in that: including main cable (1), main cable (1) outer lane is provided with insulating layer (2), insulating layer (2) outer lane is provided with fire prevention nylon layer (14), fire prevention nylon layer (14) outer lane is provided with a plurality of packing layers (3), all be provided with main metal flame retardant pipe (4) and vice metal flame retardant pipe (5) between packing layer (3), main metal flame retardant pipe (4) bottom both ends position all is provided with gag lever post (8), vice metal flame retardant pipe (5) up end corresponds gag lever post (8) position and all is provided with spacing groove (9).
2. The fire-retardant cable according to claim 1, wherein: main metal fireproof pipe (4) and vice metal fireproof pipe (5) both ends inner wall all are provided with draw-in groove (6), packaging layer (3) both ends are located draw-in groove (6) and reach draw-in groove (6) bottom position.
3. The fire-retardant cable according to claim 2, wherein: draw-in groove (6) upper wall middle part position is provided with stop pin (7), the position that packaging layer (3) head corresponds stop pin (7) is provided with round hole (12), fire prevention nylon layer (14) up end corresponds stop pin (7) afterbody position and is provided with circular slot (13), stop pin (7) afterbody passes round hole (12) and arrives in circular slot (13).
4. The fire-retardant cable according to claim 1, wherein: the main metal fireproof pipe is characterized in that rubber pads (15) are arranged at the bottoms of two sides of the main metal fireproof pipe (4), rectangular grooves (16) are formed in the positions of two ends of each rubber pad (15), and the limiting rod (8) is located in each rectangular groove (16) and the tail of the limiting rod (8) penetrates through each rectangular groove (16).
5. The fire-retardant cable according to claim 4, wherein: the inner wall of one side of the limiting groove (9) is provided with a main rack (10), the inclined plane of the main rack (10) faces upwards, the bottom of the inner wall of one side, close to the main rack (10), of the limiting rod (8) is provided with a corresponding auxiliary rack (11), and the inclined plane of the auxiliary rack (11) faces downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152065.9U CN210467359U (en) | 2019-12-05 | 2019-12-05 | Fire-retardant type cable of preventing fires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152065.9U CN210467359U (en) | 2019-12-05 | 2019-12-05 | Fire-retardant type cable of preventing fires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210467359U true CN210467359U (en) | 2020-05-05 |
Family
ID=70437172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922152065.9U Expired - Fee Related CN210467359U (en) | 2019-12-05 | 2019-12-05 | Fire-retardant type cable of preventing fires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210467359U (en) |
-
2019
- 2019-12-05 CN CN201922152065.9U patent/CN210467359U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20211205 |