CN107013755A - Fire-retardant ring of plastic pipeline - Google Patents
Fire-retardant ring of plastic pipeline Download PDFInfo
- Publication number
- CN107013755A CN107013755A CN201710366938.9A CN201710366938A CN107013755A CN 107013755 A CN107013755 A CN 107013755A CN 201710366938 A CN201710366938 A CN 201710366938A CN 107013755 A CN107013755 A CN 107013755A
- Authority
- CN
- China
- Prior art keywords
- fire
- side housing
- otic placode
- plastic pipeline
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 49
- 229920003023 plastic Polymers 0.000 title claims abstract description 49
- 239000003063 flame retardant Substances 0.000 title claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 210000000078 claw Anatomy 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000008393 encapsulating agent Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 210000002105 tongue Anatomy 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/04—Sealing to form a firebreak device
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The present invention relates to a kind of fire-retardant ring of plastic pipeline, including shell and inner circular core, inner circular core can be expanded and blocking pipe Durchgangshohle mouthful when heated, so as to prevent the intensity of a fire from being spread along hole;The shell of parcel inner circular core is made up of first side housing and second side housing, first side housing and second side housing are to be fixed by the first otic placode with the second otic placode, due to being threaded hole on the first otic placode, therefore only needing to the fasteners such as screw can quickly assembly and disassembly first side housing and second side housing, it is time saving and energy saving to install, and has saved manpower and cost;Further, since eliminate the parts such as nut, buckle in traditional fire trapping ring, therefore also it is avoided that and makes the situation of its original function of the forfeiture of fire trapping ring because of the loss of parts.
Description
Technical field
The present invention relates to the technical field of fire-proof apparatus, more particularly, to a kind of fire-retardant ring of plastic pipeline.
Background technology
Plastic conduit is because its is inexpensive, life length, easy construction the advantages of be widely used as drainage pipeline, but work as fire
During generation, plastic conduit, which easily softens, to be burned out, and the intensity of a fire can be climing to other floors or room through hole with drainage pipeline
Prolong, so as to cause heavy losses.So the measure taken is to install fire trapping ring on the floor or wall passed through in drainpipe, make it
Expand and block drainpipe, prevent fire from being spread to upper strata.The parts needed during existing fire trapping ring assembling are more, exist
The risk come off, lost, in addition excessive parts install and even more waste time and energy.
The content of the invention
It is an object of the invention to provide a kind of fire-retardant ring of plastic pipeline, held with solving parts present in prior art
Technical problem that is easy to fall off, losing and install inconvenience.
A kind of fire-retardant ring of plastic pipeline that the present invention is provided, including shell and inner circular core;The inner circular core is by fire-retardant
Expansion core is made, for expanded by heating and blocking pipe Durchgangshohle mouthful to prevent the intensity of a fire from being spread along hole;
The shell includes first side housing and second side housing, the first side housing and the second side
Housing is semi-cylindrical shaped;
With threaded hole first is provided with the right side of the left side of the first side housing and the second side housing
The second otic placode with through hole is provided with the left of otic placode, the right side of the first side housing and the second side housing,
Screwed hole on first otic placode is corresponding with the position of the through hole on second otic placode.
Further, the first side housing and the second side housing with first otic placode and described second
Otic placode is integrally formed.
Further, be provided with the first side housing on tongue-and-groove, the second side housing be provided with for
The joint tongue that the tongue-and-groove is mutually plugged together.
Further, the shell also includes annular cover plate and annular bottom plate, the annular cover plate and the annular bottom plate
It is respectively fixedly disposed at the upper and lower ends of the shell.
Further, between the annular cover plate and the inner circular core and the annular bottom plate and the inner circular core
It is provided with encapsulant.
Further, heat resistant layer is provided between the shell and the inner circular core, the heat resistant layer is by ceramic fibre material
Material is made.
Further, the internal diameter of the annular bottom plate is less than the internal diameter of the inner circular core, and the annular bottom plate is provided with
Claw, the claw is used for locking pipe.
Further, radial distribution of the claw along the annular bottom plate.
Further, it is provided with the annular bottom plate on connecting plate, the connecting plate and is provided with connecting hole.
Further, the shell is made up of conductive metal material.
A kind of fire-retardant ring of plastic pipeline that the present invention is provided, its inner circular core can be expanded when heated and blocking pipe is worn
Hole, so as to prevent the intensity of a fire from being spread along hole;The shell of inner circular core is wrapped up by first side housing and second side housing group
Into first side housing and second side housing are to be fixed by the first otic placode with the second otic placode, due on the first otic placode
Be threaded hole, thus only need to the fasteners such as screw can quickly assembly and disassembly first side housing and second side shell
Body, it is time saving and energy saving to install, and has saved manpower and cost;Further, since eliminating nut, buckle etc. zero in traditional fire trapping ring
Part, thus be also avoided that make because of the loss of parts fire trapping ring forfeiture its original function situation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the dimensional structure diagram of fire-retardant ring of plastic pipeline provided in an embodiment of the present invention;
Fig. 2 is the upward view of fire-retardant ring of plastic pipeline provided in an embodiment of the present invention;
Fig. 3 is the front view of second side housing shown in Fig. 1;
Fig. 4 is the top view of second side housing shown in Fig. 3;
Fig. 5 is the front view of first side housing shown in Fig. 1;
Fig. 6 is sectional view of first side housing shown in Fig. 5 at A-A;
Fig. 7 is the front view of shell shown in Fig. 1;
Fig. 8 is the sectional view at shell B-B shown in Fig. 7;
Fig. 9 is the dimensional structure diagram of annular bottom plate shown in Fig. 1;
Figure 10 is the dimensional structure diagram (annular cover plate not shown in figure) of heat resistant layer shown in Fig. 1.
Reference:
1- shells;2- inner circular cores;The otic placodes of 3- first;
The otic placodes of 4- second;5- heat resistant layers;11- first side housings;
12- second side housings;13- annular cover plates;14- annular bottom plates;
111- tongue-and-grooves;121- joint tongues;141- claws;
142- connecting plates;143- connecting holes.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belongs to the scope that the present invention is protected.
Embodiment 1:
Fig. 1 is the dimensional structure diagram of fire-retardant ring of plastic pipeline provided in an embodiment of the present invention;Fig. 2 is implementation of the present invention
The upward view for the fire-retardant ring of plastic pipeline that example is provided;As illustrated in fig. 1 and 2, a kind of fire-retardant ring of plastic pipeline is present embodiments provided,
Including shell 1 and inner circular core 2;Inner circular core 2 is made up of fire-retardant expansion core, for expanded by heating and blocking pipe Durchgangshohle mouthful
To prevent the intensity of a fire from being spread along hole.
It is preferred that, fire-retardant expansion core is ring-shaped graphite band.
Plastic conduit is used widely in all kinds of public and civil buildings, but plastic conduit tends to turn into fire
The passage of propagation, plastic conduit heat is burnt ruin after the hole that is formed as a chimney, make flame and flue gas from one layer along pipeline
Spread and diffuse to another layer, or another room is spread and be diffused into from a room, expand fire damage.By by ring
Shape inner core 2 is enclosed on hard polyvinyl chloride pipeline outer wall, when a fire, and plastic conduit is by thermal softening, and inner circular core 2 also can be by
Heat is so as to expanding rapidly, and squeezable plastic tube road, can blocking pipe Durchgangshohle mouthful within a short period of time, prevent the intensity of a fire climing along hole
Prolong.
Shell 1 includes first side housing 11 and second side housing 12, first side housing 11 and second side housing
12 be semi-cylindrical shaped, and first side housing 11 is fixedly connected with second side housing 12.Specifically, first side housing 11
Left side and the right side of second side housing 12 be provided with the first otic placode 3 with threaded hole, the right side of first side housing 11
The screwed hole and the second otic placode on the second otic placode 4 with through hole, the first otic placode 3 are provided with the left side of second side housing 12
Through hole on 4 is arranged concentrically.
The profile and size all same of first side housing 11 and second side housing 12, and the first otic placode 3 and the second ear
The profile and size of plate 4 are also identical, when first side housing 11 and second side housing 12 are attached, first side housing
First otic placode 3 in 11 left sides and second otic placode 4 in the left side of second side housing 12 are fixed, and fastener is passed simultaneously from the second otic placode 4
It is that the formation of second side housing 12 is threadedly coupled with the first otic placode 3;Second otic placode 4 on the right side of first side housing 11 and the simultaneously
First otic placode 3 in the left side of two side faces housing 12 is fixed, fastener passed from the second otic placode 4 and with the first otic placode 3 i.e. first side
The formation threaded connection of housing 11, therefore, the fastening direction of two fasteners is on the contrary, ensure that first side housing 11 and second
Firm connection between side housing 12.
It is preferred that, the screwed hole being provided with the outer surface of the first otic placode 3 on projection, the first otic placode 3 runs through the projection, energy
Enough play preferably fastening effect.
Inner circular core 2 is arranged on the inside of shell 1, and inner circular core 2 is enclosed on the outer wall of plastic conduit when using, and solid
Due on floor or wall.
The fire-retardant ring of plastic pipeline that the present invention is provided, can quick assembly and disassembly first side housing 11 by fastener
With second side housing 12, it is time saving and energy saving to install, and has saved manpower and cost;Further, since eliminating in traditional fire trapping ring
The parts such as nut, buckle, therefore also it is avoided that the situation for making fire trapping ring lose its original function because of the loss of parts.
Embodiment 2:
Fig. 3 is the front view of second side housing shown in Fig. 1;Fig. 4 is the top view of second side housing shown in Fig. 3;Fig. 5
It is the front view of first side housing shown in Fig. 1;Fig. 6 is the sectional view at the A-A of first side housing shown in Fig. 5;As Fig. 3-6 institute
Show, on the basis of above-described embodiment, the present embodiment has made further improvement to fire-retardant ring of plastic pipeline, specifically:The
One side housing 11 and second side housing 12 are integrally formed with the first otic placode 3 and the second otic placode 4.
It is preferred that, the first otic placode 3 and the second otic placode 4 are arranged at the end of first side housing 11 and second side housing 12
Portion.
It is preferred that, the first otic placode 3 and the second otic placode 4 is arranged at first side housing 11 and second side housing 12 has a common boundary
The centre position at place.
It is preferred that, the first otic placode 3 and the second otic placode 4 are disposed as rectangular flat.
It is preferred that, the first otic placode 3 is first side housing 11 and second side housing with the surface being connected of the second otic placode 4
12 center tangent plane.
It is preferred that, screwed hole is located at the middle part of the first otic placode 3;Through hole is located at the middle part of the second otic placode 4.
In addition, two the first otic placodes 3 can be set in the left side of first side housing 11, and the two first otic placodes 3 are along the
It is distributed above and below the axial direction of one side housing 11, respectively at the trisection point of the end face of first side housing 11;Likewise,
The right side of one side housing 11 sets two the second otic placodes 4, and respectively at the trisection point of the end face of first side housing 11;
It is corresponding, identical structure can be set on second side housing 12.The side of first side housing 11 and second is increased with this
Bonding strength between face-piece body 12.
The fire-retardant ring of plastic pipeline that the present invention is provided, integrally formed structure conveniently can greatly be processed and produced, drop
Low cost.
Embodiment 3:
Fig. 7 is the front view of shell shown in Fig. 1;Fig. 8 is the sectional view at shell B-B shown in Fig. 7;Such as the institutes of Fig. 7 and 8
Show, on the basis of above-described embodiment, the present embodiment has made further improvement to fire-retardant ring of plastic pipeline, specifically:The
The joint tongue for being provided with and mutually being plugged together with the tongue-and-groove 111 on tongue-and-groove 111, second side housing 12 is provided with one side housing 11
121;Tongue-and-groove 111 and (as shown in Figure 4) formed of joint tongue 121 are interference fitted.
It is preferred that, it is provided with tongue-and-groove 111 on lug boss, joint tongue 121 and is provided with the depressed part matched with the boss.
The fire-retardant ring of plastic pipeline that the present invention is provided, can strengthen between first side housing 11 and second side housing 12
Bonding strength.
Embodiment 4:
Fig. 9 is the dimensional structure diagram of annular bottom plate shown in Fig. 1;Figure 10 is that the stereochemical structure of heat resistant layer shown in Fig. 1 is shown
It is intended to (annular cover plate not shown in figure);As shown in Figure 9 and Figure 10, on the basis of above-described embodiment, the present embodiment is to plastics
Pipeline fire trapping ring has made further improvement, specifically:Shell 1 also includes annular cover plate 13 (as shown in Figure 1) and annular bottom
Plate 14, annular cover plate 13 and annular bottom plate 14 are respectively fixedly disposed at the upper and lower ends of shell 1.
Annular bottom plate 14 and annular cover plate 13 can be fixed on shell 1 using modes such as welding.
Encapsulant is provided between annular cover plate 13 and inner circular core 2 and annular bottom plate 14 and inner circular core 2.It is logical
Setting encapsulant is crossed, the resistance fire material i.e. inner circular core 2 inside fire trapping ring can be effectively protected, make fire trapping ring moister
Environment in, it is to avoid inner circular core absorbs vapours, made moist and long-term corrosion after condensed water, thus it is older cause swelliong power by
Diminuendo, reduces back-fire relief ability, and serious even loses back-fire relief ability.
Heat resistant layer 5 (as shown in Figure 10) is provided between shell 1 and inner circular core 2, heat resistant layer 5 is by ceramic fibre material system
Into.
Occur scene in some fire, although the intensity of a fire has been spread near fire trapping ring, do not burn and plastic tube or plastic tube
And not up to softening temperature when, fire trapping ring is under extraneous high temperature interference, and internal expanding material is not expanded in time, no
Only do not play a protective role, also result in the wasting of resources.Therefore by setting heat resistant layer 5, energy between shell 1 and inner circular core 2
It is enough to ensure when fire occurs near live, fire spreading to fire trapping ring, by the inner circular core 2 and external high temperature inside shell 1
Environment is separated, without interruption, makes the intensity of a fire for when bringing disaster to plastic tube but not up to softening temperature, inner circular core 2 will not be expanded.
In addition, ceramic fibre is a kind of fibrous light refractory material, with lightweight, high temperature resistant, heat endurance is good, lead
Heating rate is low, specific heat is small and the advantages of vibration resistance, it is adaptable to various occasions;Importantly, ceramic fibre or a kind of performance are excellent
Different fire proofing material, therefore, with ceramic fibre material as heat resistant layer 5, economical and practical, effect is notable.
The fire-retardant ring of plastic pipeline that the present invention is provided, by setting encapsulant and heat resistant layer 5, can make fire trapping ring in fire
Energy is normal in calamity and in time plays a role.
Annular bottom plate 14 is provided with claw 141, and claw 141 is used for locking pipe, so as to strengthen fire trapping ring and plastic tube
Bonding strength.
Radial distribution of the claw 141 along annular bottom plate 14.The clamping force between claw 141 and plastic conduit is set uniformly to divide
Cloth.
It is preferred that, claw 141 is set to strip.
It is preferred that, the one end of claw 141 on the inside of annular bottom plate 14 is small, one end on the outside of annular bottom plate 14 is big.
It is preferred that, the length of claw 141 is more than the internal diameter and the larger one end of claw 141 and annular bottom plate of annular bottom plate 14
14 outer walls are flushed.
It is preferred that, the less one end of claw 141 is provided with arc-shaped recess, and the outer wall of the arc-shaped recess and plastic tube is mutually pasted
Close.
It is preferred that, nonskid coating is provided with the arc-shaped recess, nonskid coating has the advantages that shockproof, anti-skidding, anticollision, energy
Enough increase the connectivity robustness of claw 141 and plastic tube, while preventing claw 141 from damaging the outer wall of plastic conduit.
It is preferred that, the internal diameter of annular cover plate 13 is less than the internal diameter of inner circular core 2.
It is preferred that, set fluted on annular cover plate 13, radial distribution of the groove along annular cover plate 13.
The fire-retardant ring of plastic pipeline that the present invention is provided, by setting claw 141, can strengthen the company of fire trapping ring and plastic tube
Connect intensity.
It is provided with annular bottom plate 14 on connecting plate 142, connecting plate 142 and is provided with connecting hole 143.Pass through connecting plate 142
Easily fire trapping ring can be fixed on floor or wall, fastener can be made into fire trapping ring and wall through connecting hole 143
Form a fixed connection.
It is preferred that, connecting hole 143 is set to strip hole, can conveniently adjust the position installed.
It is preferred that, connecting plate 142 is set to the small trapezium structure in the big one end in one end, the larger one end of connecting plate 142 and ring
Shape bottom plate 14 is fixed, and connecting hole 143 is located at the less one end of connecting plate 142.
It is preferred that, the radial direction of the length direction of connecting plate 142 along annular bottom plate 14.
It is preferred that, the quantity of connecting plate 142 is four, and four connecting plates 142 are located at the quartering of annular bottom plate 14 respectively
At point.
It is preferred that, the thickness of connecting plate 142 is 1mm.At the special position such as some cavities, user can be as needed
Change the direction of connecting plate 142, make connection sheet 142 vertical with annular bottom plate 14, be more convenient to install.
The fire-retardant ring of plastic pipeline that the present invention is provided, is more convenient installation, makes the fire trapping ring more hommization.
Shell 1 is made up of conductive metal material.
It is preferred that, shell 1 is made of the metal material of heat conductivility difference, and such as steel and iron can reduce fire trapping ring pair
The susceptibility of ambient temperature, it is ensured that fire trapping ring is only when plastic tube meets fire softening, and fire trapping ring can just be expanded.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of fire-retardant ring of plastic pipeline, it is characterised in that including shell (1) and inner circular core (2);The inner circular core (2)
It is made up of fire-retardant expansion core, for expanded by heating and blocking pipe Durchgangshohle mouthful to prevent the intensity of a fire from being spread along hole;
The shell (1) include first side housing (11) and second side housing (12), the first side housing (11) and
The second side housing (12) is semi-cylindrical shaped;
It is provided with the right side of the left side of the first side housing (11) and the second side housing (12) with threaded hole
Band is provided with the left of first otic placode (3), the right side of the first side housing (11) and the second side housing (12)
The position phase of screwed hole on the second otic placode (4) of through hole, first otic placode (3) and the through hole on second otic placode (4)
Correspondence.
2. fire-retardant ring of plastic pipeline according to claim 1, it is characterised in that the first side housing (11) and described
Second side housing (12) is integrally formed with first otic placode (3) and second otic placode (4).
3. fire-retardant ring of plastic pipeline according to claim 2, it is characterised in that set on the first side housing (11)
There is the joint tongue (121) being provided with tongue-and-groove (111), the second side housing (12) for mutually being plugged together with the tongue-and-groove (111).
4. the fire-retardant ring of plastic pipeline according to any one in claim 1-3, it is characterised in that the shell (1) is also
Including annular cover plate (13) and annular bottom plate (14), the annular cover plate (13) and the annular bottom plate (14) are fixedly installed respectively
Upper and lower ends in the shell (1).
5. fire-retardant ring of plastic pipeline according to claim 4, it is characterised in that the annular cover plate (13) and the annular
Encapsulant is provided between inner core (2) and the annular bottom plate (14) and the inner circular core (2).
6. fire-retardant ring of plastic pipeline according to claim 5, it is characterised in that the shell (1) and the inner circular core
(2) heat resistant layer (5) is provided between, the heat resistant layer (5) is made up of ceramic fibre material.
7. fire-retardant ring of plastic pipeline according to claim 6, it is characterised in that the annular bottom plate (14) is provided with claw
(141), the claw (141) is used for locking pipe.
8. fire-retardant ring of plastic pipeline according to claim 7, it is characterised in that the claw (141) is along the annular bottom
The radial distribution of plate (14).
9. fire-retardant ring of plastic pipeline according to claim 8, it is characterised in that the company of being provided with the annular bottom plate (14)
Connecting hole (143) is provided with fishplate bar (142), the connecting plate (142).
10. the fire-retardant ring of plastic pipeline according to any one in claim 1-3, it is characterised in that the shell (1) by
Conductive metal material is made.
Priority Applications (1)
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CN201710366938.9A CN107013755A (en) | 2017-05-23 | 2017-05-23 | Fire-retardant ring of plastic pipeline |
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CN201710366938.9A CN107013755A (en) | 2017-05-23 | 2017-05-23 | Fire-retardant ring of plastic pipeline |
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Family
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CN201710366938.9A Pending CN107013755A (en) | 2017-05-23 | 2017-05-23 | Fire-retardant ring of plastic pipeline |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108644534A (en) * | 2018-05-22 | 2018-10-12 | 佛山市三水万瑞达环保科技有限公司 | A kind of fire trapping ring with autoalarm |
CN111219565A (en) * | 2019-12-20 | 2020-06-02 | 北京吉瑞普管道技术有限公司 | End face fire protection device |
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CN2313618Y (en) * | 1997-12-16 | 1999-04-14 | 东泰(成都)塑胶建材工业有限公司 | Chemical expansion fireproof ring |
CN2449753Y (en) * | 2000-11-15 | 2001-09-26 | 天津盛达防火门技术有限公司蓟县第一分公司 | Ring type flame trap |
CN201651660U (en) * | 2010-01-09 | 2010-11-24 | 余鸣雷 | Straight pipeline forming leak-stoppage clamp |
CN101806138A (en) * | 2010-05-10 | 2010-08-18 | 德尔国际地板有限公司 | Latch floor |
CN102734561A (en) * | 2012-07-10 | 2012-10-17 | 安徽江淮汽车股份有限公司 | Fixed pipe clamp component for vehicle power steering oil pipe |
CN203532988U (en) * | 2013-08-27 | 2014-04-09 | 浙江爱佑管道科技有限公司 | Fire-retardant ring |
CN103527854A (en) * | 2013-09-30 | 2014-01-22 | 无锡市神力通信工程有限公司 | Fixing block for end of flat cable |
CN206754609U (en) * | 2017-05-23 | 2017-12-15 | 江山市天泰消防设备有限公司 | Fire-retardant ring of plastic pipeline |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108644534A (en) * | 2018-05-22 | 2018-10-12 | 佛山市三水万瑞达环保科技有限公司 | A kind of fire trapping ring with autoalarm |
CN111219565A (en) * | 2019-12-20 | 2020-06-02 | 北京吉瑞普管道技术有限公司 | End face fire protection device |
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