CN203352077U - Fire-proof structure for cable at inflammable and electrical device comprising fire-proof structure - Google Patents
Fire-proof structure for cable at inflammable and electrical device comprising fire-proof structure Download PDFInfo
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- CN203352077U CN203352077U CN 201320424171 CN201320424171U CN203352077U CN 203352077 U CN203352077 U CN 203352077U CN 201320424171 CN201320424171 CN 201320424171 CN 201320424171 U CN201320424171 U CN 201320424171U CN 203352077 U CN203352077 U CN 203352077U
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- cable
- fire
- fire prevention
- combustibles
- resistive construction
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Abstract
The utility model discloses a fire resistive construction is used to cable of inflammables department, including cable and fire prevention subassembly, the fire prevention subassembly sets up in the contact department of cable and inflammables to utilize the fire prevention subassembly to keep apart cable and inflammables, have the passageway that the cable passes through in the fire prevention subassembly, the fire prevention subassembly adopts fire resistive material to make. Through setting up the fire prevention subassembly in cable and inflammables contact department, can make and form the isolation barrier between cable and the inflammables, even the condition that the cable leaked electricity and struck sparks appears, the fire prevention subassembly also prevents the emergence of conflagration in the fire prevention subassembly with the spark. The utility model also discloses an electrical apparatus, including the device body, the device body includes the wall, and at least some packing has the inflammables in the wall, and the inflammables department that the cable passed sets up foretell fire resistive construction, makes and forms fire-retardant protective screen between inflammables and the cable, seals the fire source in fire resistive construction, prevents electrical apparatus's burning, further prevents the emergence of conflagration.
Description
Technical field
Fire resistive construction and the electrical installation that comprises it for the cable that the utility model relates to a kind of combustibles place.
Background technology
Mostly there are the part combustibles in current electrical installation, and cable is easily directly connected through combustibles and external power source in installation and use procedure.Electrical installation is in use if there is the situation of power line electric leakage sparking, and at first burning things which may cause a fire disaster will contact with combustibles, and firing combustibles finally makes whole electrical installation catch fire, even initiation fire.
At present, cause the damage of whole equipment in order to prevent cable electric leakage sparking, therefore mostly on cable, increase fireprotection layer, in order to prevent that the situation of cable electric leakage sparking from occurring.For example, Chinese patent literature CN202855408U open " a kind of fire-resisting cable ", it comprises the cable core be twisted into by some cores, described core is by middle conductor and be arranged on conductor outer flame retardant coating and insulating barrier and form, gap and outside at cable core are provided with packed layer, set gradually sheath outside packed layer, thermal insulation layer, armour and outer jacket.Packed layer in the utility model is made by the rope form inorganic material is wrapped, and thermal insulation layer becomes mica paper to form by sticky clamping in the middle of two-layer high flame retardant glass strap, this double insurance structure can play good refractory heat-insulating effect in fire, makes the insulating barrier of cable be softened in fire and not melt.Adopt afterwards armour, except bearing External Force Acting, also play fire resistive construction in firm cable and the effect of fire insulation, even impacted in work with in installing, also can not cause loose the holding of material of packed layer and thermal insulation layer, guaranteed the reliability of cable.
Although the cable of this structure can reach the fireproof purpose to a certain extent; but its manufacturing cost is too high; the volume of cable is larger; increased so undoubtedly production cost; and in the permanent use procedure of cable; there will be unavoidably wearing and tearing, the various protective layers on surface are worn, and so still have potential safety hazard.
The utility model content
The purpose of this utility model is to provide the cable fire resistive construction at a kind of combustibles place, and it can effectively be isolated the cable at combustibles place, even the situation of electric leakage sparking appears in cable, also can prevent that spark from contacting with combustibles, stops the generation of fire.
Another purpose of the present utility model is to provide a kind of electrical installation, its position contacted with cable at combustibles arranges fire resistive construction, makes between combustibles and cable to form fire-retardant barrier, and burning things which may cause a fire disaster is enclosed in fire resistive construction, stop the burning of electrical installation, further stop the generation of fire.
For reaching this purpose, the utility model by the following technical solutions:
The cable fire resistive construction at a kind of combustibles place, comprise cable 3,7 and fire prevention assembly 4,8, described fire prevention assembly 4,8 is arranged at the contact position of described cable 3,7 and combustibles 2,6, to utilize described fire prevention assembly 4,8 by described cable 3,7 and 2,6 isolation of described combustibles, have the passage that cable 3,7 passes through in described fire prevention assembly 4,8, described fire prevention assembly 4,8 adopts fire proofing to make.
Preferably, described fire prevention assembly 4 comprises the fire prevention channel 41 that detachably is placed in described combustibles 2 places and the Fireproof cover 42 of the described fire prevention channel 41 of capping, there is the passage that described cable 3 passes through between described fire prevention channel 41 and described Fireproof cover 42, the cable hole 415 that described cable 3 passes through is set on described fire prevention channel 41 and/or described Fireproof cover 42.
By be provided for its Fireproof cover 42 of capping on fire prevention channel 41, make fire prevention channel 41 and Fireproof cover 42 surround one and can be used for the enclosed cavity that cable 3 passes through, cable 3 can be closed in this cavity like this, make cable 3 and combustibles 2 isolation, stop the generation of fire.
Be more preferably, described fire prevention channel 41 comprises notch 411 and the bottom land 412 relative with notch 411, at described notch, 411 places arrange flange 413, corresponding described flange 413 arranges and extends limit 421 on described Fireproof cover 42, offer the first connecting hole 414 on described flange 413, offer the second connecting hole 422 on described prolongation limit 421, by described the first connecting hole 414 of screw bolt passes, the second connecting hole 422, described fire prevention channel 41, Fireproof cover 42 are fixed as one.
Use a kind of preferred version of fire resistive construction as the cable at combustibles place, described fire prevention assembly 8 comprises body 81 in the form of a ring, described body 81 two ends are provided for the plug 83 of described cable 7 shutoff in described fire prevention assembly 8, there is the passage 82 that described cable 7 passes through between described body 81 and described plug 83, be provided with the cable hole 84 that described cable 7 passes through on described plug 83.
Further, described body 81 is fixed or detachable setting with described plug 83.
Preferably, described plug 83 is welded on described body 81 two ends.Other those skilled in the art can know other be fixedly connected with mode all applicable to the utility model.
Be more preferably, described plug 83 is threaded in described body 81 two ends.Other modes that removably connect that other those skilled in the art can be known are all applicable to the utility model.
Use a kind of preferred version of fire resistive construction as the cable at combustibles place, described fire prevention assembly 4,8 adopts metals to make.
Further, described fire prevention assembly 4,8 adopts sheet metal process to be made.
Use a kind of preferred version of fire resistive construction as the cable at combustibles place, between described fire prevention assembly 4,8 and described cable 3,7, be filled with fire proofing.
A kind of electrical installation, comprise the fire resistive construction that the cable at combustibles as above place is used.
Further, also comprise device body 1,5, described device body 1,5 comprises wall 11,51, described wall 11,51 interior at least a portion are filled with combustibles 2,6, at described combustibles, 2,6 places are provided with the passage passed for cable 3,7, and the cable fire resistive construction at combustibles place as described above detachably is set in described passage.With the position that cable 3,7 contacts, fire resistive construction is set by the combustibles 2,6 in wall 11, make between combustibles 2,6 and cable 3,7 to form fire-retardant barrier, burning things which may cause a fire disaster is enclosed in fire resistive construction, stops the burning of electrical installation, further stop the generation of fire.
The contrast prior art, the beneficial effects of the utility model are:
By at cable and combustibles contact position, the fire prevention assembly being set, and the assembly of preventing fires adopts fire proofing to make, can make to form isolation barrier between cable and combustibles, even the situation of cable electric leakage sparking occurs, the fire prevention assembly also stops spark in the fire prevention assembly, avoid spark to contact with combustibles, stop the generation of fire.
The accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of the described cable that comprises the combustibles place of embodiment mono-with the electrical installation of fire resistive construction;
The assembling schematic diagram of fire prevention assembly and cable in Fig. 1 that Fig. 2 is embodiment mono-;
Fig. 3 is the partial structurtes schematic diagram of the described cable that comprises the combustibles place of embodiment bis-with the electrical installation of fire resistive construction;
The assembling schematic diagram of fire prevention assembly and cable in Fig. 3 that Fig. 4 is embodiment bis-.
In Fig. 1 and 2:
1, device body; 11, wall; 12, inner chamber;
2, combustibles; 3, cable; 4, fire prevention assembly; 41, fire prevention channel; 411, notch; 412, bottom land; 413, flange; 414, the first connecting hole; 415, cable hole; 42, Fireproof cover; 421, extend limit; 422, the second connecting hole.
In Fig. 3 and 4:
5, device body; 51, wall; 52, inner chamber;
6, combustibles; 7, cable; 8, fire prevention assembly; 81, body; 82, cavity; 83, plug; 84, cable hole.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Embodiment mono-:
As illustrated in fig. 1 and 2, in the present embodiment, the cable fire resistive construction at combustibles described in the utility model place, comprise cable 3 and fire prevention assembly 4, fire prevention assembly 4 is arranged at the contact position of cable 3 and combustibles 2, to utilize fire prevention assembly 4 by cable 3 and combustibles 2 isolation, there is the passage that cable 3 passes through in fire prevention assembly 4, fire prevention assembly 4 adopts fire proofing to make.
In the present embodiment, fire prevention assembly 4 is split type setting, it comprises the fire prevention channel 41 that detachably is placed in combustibles 2 places and the Fireproof cover 42 of capping fire prevention channel 41, there is the passage that cable 3 passes through between fire prevention channel 41 and Fireproof cover 42, be provided with the cable hole 415 that cable 3 passes through at the two ends of fire prevention channel 41.
Except the two ends at fire prevention channel 41 arrange the cable hole 415 that cable 3 passes through, the cable hole 415 that cable 3 passes through can also be set on Fireproof cover 42, or the cable hole 415 that cable 3 passes through all is set on fire prevention channel 41 and Fireproof cover 42.
By be provided for its Fireproof cover 42 of capping on fire prevention channel 41, make fire prevention channel 41 and Fireproof cover 42 surround one and can be used for the cavity that cable 3 passes through, with by cable 3 and combustibles 2 isolation, stop the generation of fire.
Fire prevention assembly 4 adopts sheet metal process to make, and fire prevention channel 41 adopts the moulding of sheet metal integrated punching, and Fireproof cover 42 adopts the sheet metal shear forming.
In the present embodiment, electrical installation described in the utility model, comprise device body 1, device body 1 comprises wall 11, wall 11 surrounds the inner chamber 12 of device body 1, the interior at least a portion of wall 11 is filled with combustibles 2, and at combustibles, 2 places are provided with the passage passed for cable 3, and the cable fire resistive construction at combustibles place as described above detachably is set in passage.With the position that cable 3 contacts, fire resistive construction is set by the combustibles 2 in wall 11, makes between combustibles 2 and cable 3 to form fire-retardant barrier, burning things which may cause a fire disaster is enclosed in fire resistive construction, stop the burning of electrical installation, further stop the generation of fire.
Embodiment bis-:
As shown in Figures 3 and 4, in the present embodiment, the cable fire resistive construction at combustibles described in the utility model place, comprise cable 7 and fire prevention assembly 8, fire prevention assembly 8 is arranged at the contact position of cable 7 and combustibles 6, to utilize fire prevention assembly 8 by cable 7 and combustibles 6 isolation, there is the passage that cable 7 passes through in fire prevention assembly 8, fire prevention assembly 48 adopts fire proofing to make.
In the present embodiment, fire prevention assembly 8 is the integral type setting.As shown in the figure, fire prevention assembly 8 is cylindrical, and the body 81 that it comprises in the form of a ring, have the passage 82 that cable 7 passes through in body 81, be provided for the plug 83 in fire prevention assembly 8 by cable 7 shutoff at body 81 two ends, be provided with the cable hole 84 that cable 7 passes through on plug 83.
The body of fire prevention assembly 8 adopts stainless steel tube to make, and plug 83 adopts the corrosion resistant plate cutting to form.
The external diameter of plug 83 is slightly less than the internal diameter of body 81, so that plug 83 can be tucked into the two ends of body 81, realizes shutoff.
In addition, can also be at the interior filling fire proofing of body 81.This applied fireproofing is a kind of protective material; it is can stop burning and own and be not easy the material of burning; as asbestos, talcum powder, mica powder, wollastonite in powder etc., it guarantees do not burnt on fire, also can not make the combustion range aggravation, enlarge.
In the present embodiment, electrical installation described in the utility model, comprise device body 5, device body 5 comprises wall 51, wall 51 surrounds the inner chamber 52 of device body 5, the interior at least a portion of wall 51 is filled with combustibles 6, and at combustibles, 6 places are provided with the passage passed for cable 7, and the cable fire resistive construction at combustibles place as described above detachably is set in passage.With the position that cable 7 contacts, fire resistive construction is set by the combustibles 6 in wall 51, makes between combustibles 6 and cable 7 to form fire-retardant barrier, burning things which may cause a fire disaster is enclosed in fire resistive construction, stop the burning of electrical installation, further stop the generation of fire.
The fire prevention assembly is made except embodiment mono-and the described employing metal of embodiment bis-, can also adopt fire-retardant nonmetallic materials to make, and such as materials such as adopting cement, glass, makes.
In embodiment bis-, the fire prevention assembly of integral type, except adopting circular tube structure, can also be rhs-structure, or the shape tube structure.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection range.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection range of the present utility model.
Claims (8)
1. the cable fire resistive construction at a combustibles place, it is characterized in that, comprise cable (3,7) and fire prevention assembly (4,8), described fire prevention assembly (4,8) is arranged at the contact position of described cable (3,7) and combustibles (2,6), to utilize described fire prevention assembly (4,8) by described cable (3,7) and described combustibles (2,6) isolation, have the passage that cable (3,7) passes through in described fire prevention assembly (4,8), described fire prevention assembly (4,8) adopts fire proofing to make.
2. the cable fire resistive construction at combustibles according to claim 1 place, it is characterized in that, described fire prevention assembly (4) comprises and detachably is placed in fire prevention channel (41) that described combustibles (2) locate and the Fireproof cover (42) of the described fire prevention channel of capping (41), there is the passage that described cable (3) passes through between described fire prevention channel (41) and described Fireproof cover (42), the cable hole (415) that described cable (3) passes through is set on described fire prevention channel (41) and/or described Fireproof cover (42).
3. the cable fire resistive construction at combustibles according to claim 2 place, it is characterized in that, the notch (411) of described fire prevention channel (41) locates to arrange flange (413), corresponding described flange (413) arranges and extends limit (421) on described Fireproof cover (42), offer the first connecting hole (414) on described flange (413), offer the second connecting hole (422) on described prolongation limit (421), by described the first connecting hole of screw bolt passes (414), the second connecting hole (422), described fire prevention channel (41), Fireproof cover (42) are fixed as one.
4. the cable fire resistive construction at combustibles according to claim 1 place, it is characterized in that, described fire prevention assembly (8) comprises body (81) in the form of a ring, described body (81) two ends are provided for the plug (83) in described fire prevention assembly (8) by described cable (7) shutoff, there is the passage (82) that described cable (7) passes through between described body (81) and described plug (83), be provided with the cable hole (84) that described cable (7) passes through on described plug (83).
5. the cable fire resistive construction at combustibles according to claim 4 place, is characterized in that, described body (81) is fixed or detachable setting with described plug (83).
6. according to the cable fire resistive construction at the described combustibles of claim 1 to 5 any one place, it is characterized in that, described fire prevention assembly (4,8) adopts metal to make.
7. according to the cable fire resistive construction at the described combustibles of claim 1 to 5 any one place, it is characterized in that, between described fire prevention assembly (4,8) and described cable, be filled with fire proofing.
8. an electrical installation, is characterized in that, comprises the cable fire resistive construction at combustibles as described as claim 1 to 7 any one place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320424171 CN203352077U (en) | 2013-07-16 | 2013-07-16 | Fire-proof structure for cable at inflammable and electrical device comprising fire-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320424171 CN203352077U (en) | 2013-07-16 | 2013-07-16 | Fire-proof structure for cable at inflammable and electrical device comprising fire-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203352077U true CN203352077U (en) | 2013-12-18 |
Family
ID=49751928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320424171 Expired - Lifetime CN203352077U (en) | 2013-07-16 | 2013-07-16 | Fire-proof structure for cable at inflammable and electrical device comprising fire-proof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203352077U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300453A (en) * | 2013-07-16 | 2015-01-21 | 珠海格力电器股份有限公司 | Fire-proof structure for cable at inflammable and electrical device comprising fire-proof structure |
| CN104333823A (en) * | 2014-11-28 | 2015-02-04 | 宁波东源音响器材有限公司 | Ceiling loudspeaker box |
| CN105048372A (en) * | 2015-08-14 | 2015-11-11 | 深圳市沃尔核材股份有限公司 | Fireproof thermal insulation assembly and explosion-proof method of wire, cable and connector |
-
2013
- 2013-07-16 CN CN 201320424171 patent/CN203352077U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300453A (en) * | 2013-07-16 | 2015-01-21 | 珠海格力电器股份有限公司 | Fire-proof structure for cable at inflammable and electrical device comprising fire-proof structure |
| CN104333823A (en) * | 2014-11-28 | 2015-02-04 | 宁波东源音响器材有限公司 | Ceiling loudspeaker box |
| CN105048372A (en) * | 2015-08-14 | 2015-11-11 | 深圳市沃尔核材股份有限公司 | Fireproof thermal insulation assembly and explosion-proof method of wire, cable and connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20181113 |
|
| AV01 | Patent right actively abandoned |