CN204170325U - Can the fire extinguisher efferent duct of step-down - Google Patents
Can the fire extinguisher efferent duct of step-down Download PDFInfo
- Publication number
- CN204170325U CN204170325U CN201420481621.1U CN201420481621U CN204170325U CN 204170325 U CN204170325 U CN 204170325U CN 201420481621 U CN201420481621 U CN 201420481621U CN 204170325 U CN204170325 U CN 204170325U
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- fire extinguisher
- section
- efferent duct
- hole
- head
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- Expired - Lifetime
Links
- 239000000126 substance Substances 0.000 claims abstract description 29
- 238000003032 molecular docking Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 210000003811 finger Anatomy 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000003276 anti-hypertensive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 230000001077 hypotensive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004932 little finger Anatomy 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to fire extinguisher.A kind of can the fire extinguisher efferent duct of step-down, comprise body, the port of export of described body is provided with step-down head and step-down cover, extinguishing chemical passing away is provided with in described step-down head, one end of described extinguishing chemical passing away is provided with hand-hole that the outlet with described body is docking together, the other end is provided with and portals, the aperture area of all described hand-holes and be greater than all described in portal aperture area and, described portalling is positioned at one end of described step-down cover, and the end face of the other end of described step-down cover is provided with grid hole.The utility model provides and a kind ofly can carry out step-down to the extinguishing chemical of ejection and structure simply can the fire extinguisher efferent duct of step-down, solves the problem that existing fire extinguisher efferent duct can not prevent ignition point from splashing with simple structure.
Description
Technical field
The utility model relates to fire extinguisher, particularly relate to a kind of can the fire extinguisher efferent duct of step-down.
Background technology
Fire extinguisher is a kind of portable Fire extinguisher.Extinguishing chemical is placed, in order to rescue fire extinguishing calamity in fire extinguisher.Fire extinguisher is one of common fireproofing installation, and leave public place or may the place of breaking out of fire in, in different types of fire extinguisher, the composition of filling is different, is aim at different fire alarms and establish.China Patent No. be 2014101161301, publication date be June 18 in 2014 day, be called in the patent document of " Multi-functional analog fire extinguisher and using method thereof " and disclose a kind of fire extinguisher.The basic structure of fire extinguisher is all disclosed in this patent document, and comprise cylinder body of fire extinguisher and the fire extinguisher efferent duct being connected to cylinder body of fire extinguisher, extinguishing chemical during use in cylinder body of fire extinguisher exports and sprays to burning things which may cause a fire disaster from fire extinguisher efferent duct.Existing fire extinguisher efferent duct has two kinds of versions, and a kind of for only to comprise body, the fire extinguisher efferent duct of this structure does not have hypotensive effect, and the pressure of the extinguishing chemical ejected is higher.Easily cause ignition point four loose phenomenon of splashing during use, especially when metal (as magnesium, sodium) produces fire because metallic fires outburst is fierce, temperature is high, ignition point splashes and then easily causes fire spread and the injury to fire extinguishing personnel.
Another kind is the shower nozzle that can make the extinguishing chemical generation atomization of discharge comprising body and be arranged at the body port of export, although the fire extinguisher output pressure of this structure is low, but it is many to there is number of components, complex structure, and be atomized rear ejection due to extinguishing chemical, so there is the extinguishing chemical of very large ratio can not arrive burning things which may cause a fire disaster to surrounding diffusion, therefore the utilization rate of extinguishing chemical is low, and the fire extinguisher that can be atomized is only applicable to fluid extinguisher.
Utility model content
The utility model provides and a kind ofly can carry out step-down to the extinguishing chemical of ejection and structure simply can the fire extinguisher efferent duct of step-down, solves the problem that existing fire extinguisher efferent duct can not prevent ignition point from splashing with simple structure.
Above technical problem is solved by following technical proposal: a kind of can the fire extinguisher efferent duct of step-down, comprise body, the port of export of described body is provided with step-down head and step-down cover, extinguishing chemical passing away is provided with in described step-down head, one end of described extinguishing chemical passing away is provided with the hand-hole that the outlet with described body is docking together, the other end is provided with and portals, the aperture area of all described hand-holes and be greater than all described in portal aperture area and, described portalling is positioned at one end of described step-down cover, the end face of the other end of described step-down cover is provided with grid hole.During use, the entrance point of body is docking together with Fire extinguisher tube, the extinguishing chemical of Fire extinguisher tube ejection flows out from the port of export and enters hand-hole after the entrance point of body enters, again through extinguishing chemical passing away and portal and the process that enters in step-down cover by a step-down, then flow out through grid hole and depart from the process of fire extinguisher by secondary step-down.
As preferably, described step-down cover comprises the cover body of the circle of elastic construction and is connected to the end plate of circle of cover body one end, described cover body inner surface is provided with the annular slot that the circumference along cover body extends, described end plate links together with described cover body in described draw-in groove by means of only the edge card of end plate, and described grid hole is arranged at described end plate.Extrude cover body and end plate by the axial subtend along cover body during assembling, force cover body elastic deformation when end is moved and make the edge of end enter into draw-in groove and realize connecting.During dismounting, made by the radial compression cover body along cover body cover body produce flat distortion and be ejected end, thus realize dismounting.Convenient during installing/dismounting end.Due to the percussion of extinguishing chemical, end plate easily produces breakage and causes antihypertensive effect to reduce, and now fire extinguisher can be made to recover normal antihypertensive effect conveniently by replacing end plate, maintenance cost is low.
As preferably, one end of described step-down head is provided with external thread section, the other end of described one end being arranged at described external thread section of portalling, described external thread section is provided with sealed step, described cover body is provided with connecting hole, described external thread section links together with locking nut through after described connecting hole, is sealed connected together between described locking nut and described sealed step by described cover body.By the elastic deformation of cover body, step-down cover is sealed connected together with step-down head, number of components is few, facilitates and the poor sealing phenomenon being not easy to produce omission seal and producing during assembling.
As preferably, the other end of described step-down head is provided with internal thread hole, the port of export of described body is provided with thread head, described step-down head is threaded in described screwed hole by described thread head and links together with described body, described hand-hole is arranged in described screwed hole, the outer surface that described step-down head is provided with the position of described internal thread hole is positive six prismatic surfaces, and described positive six prismatic surfaces are provided with between described sealed step the section of dodging.Compact conformation, easily laborsaving when the weight that can reduce buck configuration makes to use.Be stuck in positive six prismatic surfaces by spanner during use to get on to rotate step-down head step-down head is assembled on body, the section of dodging be set and can avoid producing in cover body and step-down head assembling process deformation and to positive six prismatic surfaces, produce interference rotation effect along exhibition and step-down cover is clipped broken by spanner and produces leakage phenomenon.
As preferably, the port of export of described cover body is provided with large footpath section and path section successively, positioning step is formed between described large footpath section and path section, the interior diameter of described large footpath section is greater than the diameter of described end plate, the interior diameter of described path section is less than the diameter of described end plate, and described draw-in groove is positioned in described path section.Can prevent assembling process medial end portions from producing deflection and cause cover body eccentric wear and affect fixed effect.
As preferably, described end plate comprises basic ring and is sealed on the elastic network(s) on described basic ring, and the area of described elastic network(s) is greater than the aperture area of described basic ring, and the hole on described elastic network(s) forms described grid hole.During use, elastic network(s) can be heaved outwardly, plays the effect of being scattered by fire extinguisher.Elastic network(s) then only needing directly to open grid hole when parallel straight hole can be able to make to use in the plate of material making elastic network(s) for opening during perforate scatters, therefore convenience when making is good.
As preferably, described step-down cover is taper, and one end that described step-down is covered with grid hole is bigger diameter end, described in the opening direction line that portals with described step-down cover axis between angle be acute angle.Extinguishing chemical can be made during use effectively to be scattered.Large to the area coverage of burning things which may cause a fire disaster.
As preferably, described step-down head is provided with the conical head that surfaces externally and internally is all the conical surface, described in portal and be positioned on described conical head.Diffusing is effective.
As preferably, described body is arranged with can along the flexible handle of the length direction movement of body.Because the body of fire extinguisher carrier pipe is less, be not easy during gripping to put forth effort, and the people of different brachium and the diverse location for burning things which may cause a fire disaster, need the position that grips can difference to some extent, if solve above problem by strengthening the method for outer tube diameter, the overall weight of fire extinguisher can be caused to become heavy, weight become heavy effort when then moving fire extinguisher and movement position grip position time inconvenience.When producing fire, for non-professional personnel can be frightened often human hair combing waste of going smoothly tremble become unable, the reduction of fire extinguisher weight then can adapt to use under this unable state of user, guarantee that fire produces time Field Force effectively can control fire in the very first time.In addition when fire extinguisher is in non-working condition, the upper end of body is in bending state, now handle can be moved to this and bends out and protect body.
As preferably, described flexible handle is provided with two elasticity increasing resistance sections that middle finger coordinates section and is positioned at middle finger cooperation section two ends, described elasticity increases the elasticity bulge loop that resistance section comprises base tube and some axial distribution along flexible handle be arranged on base tube, forms deformation and dodge ditch between adjacent elasticity bulge loop; Between adjacent described elasticity bulge loop, the overall diameter of the elasticity bulge loop of section is coordinated to be greater than the overall diameter of the elasticity bulge loop coordinating section near described middle finger away from described middle finger.The size of handle required when different users grips is different, and this technical scheme can adapt to the demand of different users to handle size variation.And elasticity bulge loop produces axial deformation and makes curable grip large when gripping, make user reliable the can grip handle.
The utility model has following advantage: can carry out step-down to fire extinguisher, and step-down amount is 20-30%; Step-down cover is set and carries out step-down, can make that the extinguishing chemical component velocity of radially scattering that flows out is less, the impact that is not easy to be subject to external force and produce drift, in the design range of fire extinguisher and wind speed is in 20 kilometers of situations hourly, fire extinguisher agent more than 95% can be sprayed onto burning things which may cause a fire disaster place, and jet angle can reach 72 °, area coverage is large; Number of components is few.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: draw together body 1, entrance point 11, the port of export 12, thread head 13, step-down 2, linkage section 21, the outer peripheral face 211 of linkage section, the section of dodging 22, external thread section 23, conical head 231, extinguishing chemical passing away 24, hand-hole 241, portal 242, screwed hole 25, sealed step 26, locking nut 3, step-down cover 4, cover body 41, sidewall 411, diapire 412, connecting hole 413, positioning step 414, large footpath section 415, path section 416, reset resistance flange 417, annular slot 418, end plate 42, basic ring 421, elastic network(s) 422, grid hole 43, flexible handle 5, middle finger coordinates section 51, elasticity increases resistance section 52, base tube 521, elasticity bulge loop 522, dodge ditch 523.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
See Fig. 1, a kind of can the fire extinguisher efferent duct of step-down, only comprise body 1, step-down 2, locking nut 3, step-down cover 4 and flexible handle 5.
The entrance point 11 of body 1 and the port of export 12 are respectively provided with a thread head 13.
Step-down 2 is provided with linkage section 21, the section of dodging 22 and external thread section 23 successively.Extinguishing chemical passing away 24 is provided with in step-down 2.The outer peripheral face 211 of linkage section is positive six prismatic surfaces.Screwed hole 25 is provided with in linkage section 21.Sealed step 26 is formed between the section of dodging 22 and external thread section 23.The free end of external thread section 23 is provided with the conical head 231 that surfaces externally and internally is all the conical surface.One end of extinguishing chemical passing away 24 is provided with hand-hole 241.Hand-hole 241 is positioned at screwed hole 25.Hand-hole 241 only has one.The other end of extinguishing chemical passing away 24 is provided with and portals 242.Portal and 242 to be positioned on conical head 231.The aperture area of all hand-holes 241 and be greater than all portal 242 aperture area and, go out in the present embodiment that hole area sum is inlet-duct area sum 1/9th.The opening direction line portalled with step-down head center line between angle be acute angle, be 60 ° in the present embodiment.The port of export that step-down 2 is threaded in body 1 in screwed hole 25 by thread head 13 links together.
Step-down cover 4 comprises cover body 41 and end plate 42.Cover body 41 is elastic construction, is specially rubber and is made.Cover body 41 comprises conical sidewall 411 and diapire 412.Sidewall 411 and diapire 412 are structure as a whole.Sidewall 411 and diapire 412 are all enclosed construction.Diapire 412 shutoff is in one end of sidewall 411.Sidewall 411 one end at diapire place is miner diameter end.Sidewall 411 is coaxial with step-down 3.The center of diapire 412 goes out to be provided with connecting hole.External thread section 23 realizes step-down cover 4 to link together with step-down 2 through linking together with locking nut 3 after connecting hole.Locking nut 3 fitted seal step 26 is clamped in and diapire 412 makes diapire produce elastic deformation and make sealed step 26 also namely step-down 2 and cover body 41 are sealed connected together.Portal 242 bottoms being positioned at step-down cover 4 also i.e. blind end.The port of export of cover body 41 is provided with large footpath section 415 and path section 416 successively.Large footpath section 415 is provided with reset resistance flange 417.Positioning step 414 is formed between large footpath section 415 and path section 416.The inner surface of path section 416 is provided with the annular slot 418 that the circumference along cover body extends.The elastic network(s) 422 that end plate 42 comprises basic ring 421 and is sealed on basic ring.Elastic network(s) 422 and basic ring 421 are all that plastic production forms.Hole on elastic network(s) 422 forms grid hole 43.The area of elastic network(s) 422 is greater than the aperture area of basic ring 421.When elastic network(s) 422 is in flattened state, the opening direction of grid hole 43 is perpendicular to the plane at elastic network(s) place.The interior diameter of large footpath section 415 is greater than the diameter (being also the overall diameter of basic ring) of end plate 42, and the interior diameter of path section 416 is less than the diameter of end plate 42.
By the method that end and cover body carry out assembling be: end plate 42 is stretched into large footpath section 415 and make end be remedied to horizontal state by positioning step 414 and be shelved on positioning step 414, push away firmly end plate 42(make to accept a little on basic ring 421 and ensure that circumference is firmly even), path section 416 elasticity is opened and is made end plate 42 can expert, when end plate 42 expert is to draw-in groove 418 place, cover body 41 elastic reset and that basic ring 421 edge card is realized in draw-in groove 418 is fixing.
Method under dismounting is: along the position of radial compression cover body between end plate 42 and diapire 412 of cover body 41, faceshield side wall 411 produces flat distortion and launched out by end plate 42.Reset resistance flange 413 plays the effect accelerating cover body 41 elastic reset, and prevents cover body to be out of shape.
Flexible handle 5 to be set on body 1 and can to move along the length direction of body.Flexible handle 5 is provided with two elasticity increasing resistance sections 52 that middle finger coordinates section 51 and is positioned at middle finger cooperation section two ends.Middle finger coordinates section 51 and elasticity increasing resistance section 52 to be structure as a whole.Middle finger coordinates the length of section 51 to be 1.5-2.5 centimetre.Elasticity increases resistance section 52 and comprises base tube 521 and some elasticity bulge loops 522 be arranged on base tube.Elasticity bulge loop 522 is along the axial distribution of flexible handle.Form deformation between adjacent elasticity bulge loop 522 and dodge ditch 523.The 2-3 that the width (namely along the size of body axis) of dodging ditch 523 is elasticity bulge loop 522 thickness doubly.Between adjacent elasticity bulge loop, the overall diameter of the elasticity bulge loop of section is coordinated to be greater than the overall diameter of the elasticity bulge loop coordinating section near middle finger away from middle finger.Same elasticity increases the elasticity bulge loop in resistance section 52, has at least three elasticity bulge loop width (bulge loop outer radius subtracts the width that the difference locating inside radius is bulge loop) to be greater than the width of dodging ditch 523.Elasticity bulge loop entirety can be avoided so all to topple over completely and reduce damping.
During use, the entrance point 11 of body is linked together by the outlet of the thread head 13 on this end with Fire extinguisher tube.In fire extinguishing procedure, extinguishing chemical flows to hand-hole 241 → extinguishing chemical passing away 24 through body 1, portalling after 242 enters step-down cover 4, carried out a step-down, and the fire extinguisher flowed out is in the state of scattering in this process by step-down 2.Then directive end plate 42 penetrating through grid hole 43 under the correcting of cover body 41.The pressure of extinguishing chemical makes elastic network(s) 422 outwardly convex and the opening direction of grid hole 43 is scattered, and is also scattered out when extinguishing chemical flows through grid hole 23, by second time step-down when extinguishing chemical flows through step-down cover 4.When not putting out a fire, flexible handle 5 moves into place the entrance point in body 2, prevent this place from bending and damaging, during fire extinguishing, user carries Fire extinguisher tube on the other hand, another hand grips flexible handle 5 and mobile flexible handle 5 arrives required position, concrete holding mode is: middle finger is scratched and coordinated in section 51 at middle finger, forefinger and thumb are buckled in an elasticity and increase in resistance section 52, little finger of toe and the third finger are buckled in another elasticity and increase in resistance section 52, the elasticity bulge loop 522 that elasticity increases in resistance section 52 is axially toppled over and produces elastic force, this elastic force plays the effect increasing curable grip on the one hand, the gripping needs of the people of different size hand can be adapted on the other hand.
Claims (10)
1. one kind can the fire extinguisher efferent duct of step-down, comprise body, it is characterized in that, the port of export of described body is provided with step-down head and step-down cover, extinguishing chemical passing away is provided with in described step-down head, one end of described extinguishing chemical passing away is provided with hand-hole that the outlet with described body is docking together, the other end is provided with and portals, the aperture area of all described hand-holes and be greater than all described in portal aperture area and, described portalling is positioned at one end of described step-down cover, and the end face of the other end of described step-down cover is provided with grid hole.
2. according to claim 1 can the fire extinguisher efferent duct of step-down, it is characterized in that, described step-down cover comprises the cover body of the circle of elastic construction and is connected to the end plate of circle of cover body one end, described cover body inner surface is provided with the annular slot that the circumference along cover body extends, described end plate links together with described cover body in described draw-in groove by means of only the edge card of end plate, and described grid hole is arranged at described end plate.
3. according to claim 2 can the fire extinguisher efferent duct of step-down, it is characterized in that, one end of described step-down head is provided with external thread section, the other end of described one end being arranged at described external thread section of portalling, described external thread section is provided with sealed step, described cover body is provided with connecting hole, described external thread section links together with locking nut through after described connecting hole, is sealed connected together between described locking nut and described sealed step by described cover body.
4. according to claim 3 can the fire extinguisher efferent duct of step-down, it is characterized in that, the other end of described step-down head is provided with internal thread hole, the port of export of described body is provided with thread head, described step-down head is threaded in described screwed hole by described thread head and links together with described body, described hand-hole is arranged in described screwed hole, the outer surface that described step-down head is provided with the position of described internal thread hole is positive six prismatic surfaces, and described positive six prismatic surfaces are provided with between described sealed step the section of dodging.
5. according to Claims 2 or 3 or 4 can the fire extinguisher efferent duct of step-down, it is characterized in that, the port of export of described cover body is provided with large footpath section and path section successively, positioning step is formed between described large footpath section and path section, the interior diameter of described large footpath section is greater than the diameter of described end plate, the interior diameter of described path section is less than the diameter of described end plate, and described draw-in groove is positioned in described path section.
6. according to Claims 2 or 3 or 4 can the fire extinguisher efferent duct of step-down, it is characterized in that, described end plate comprises basic ring and is sealed on the elastic network(s) on described basic ring, and the area of described elastic network(s) is greater than the aperture area of described basic ring, and the hole on described elastic network(s) forms described grid hole.
7. according to claim 1 or 2 or 3 or 4 can the fire extinguisher efferent duct of step-down, it is characterized in that, described step-down cover is taper, and one end that described step-down is covered with grid hole is bigger diameter end, described in the opening direction line that portals with described step-down cover axis between angle be acute angle.
8. according to claim 7 can the fire extinguisher efferent duct of step-down, it is characterized in that, described step-down head is provided with the conical head that surfaces externally and internally is all the conical surface, described in portal and be positioned on described conical head.
9. according to claim 1 or 2 or 3 or 4 can the fire extinguisher efferent duct of step-down, it is characterized in that, described body is arranged with can along the flexible handle of the length direction movement of body.
10. according to claim 9 can the fire extinguisher efferent duct of step-down, it is characterized in that, described flexible handle is provided with two elasticity increasing resistance sections that middle finger coordinates section and is positioned at middle finger cooperation section two ends, described elasticity increases the elasticity bulge loop that resistance section comprises base tube and some axial distribution along flexible handle be arranged on base tube, forms deformation and dodge ditch between adjacent elasticity bulge loop; Between adjacent described elasticity bulge loop, the overall diameter of the elasticity bulge loop of section is coordinated to be greater than the overall diameter of the elasticity bulge loop coordinating section near described middle finger away from described middle finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481621.1U CN204170325U (en) | 2014-08-26 | 2014-08-26 | Can the fire extinguisher efferent duct of step-down |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481621.1U CN204170325U (en) | 2014-08-26 | 2014-08-26 | Can the fire extinguisher efferent duct of step-down |
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| Publication Number | Publication Date |
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| CN204170325U true CN204170325U (en) | 2015-02-25 |
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| CN201420481621.1U Expired - Lifetime CN204170325U (en) | 2014-08-26 | 2014-08-26 | Can the fire extinguisher efferent duct of step-down |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368104A (en) * | 2014-08-26 | 2015-02-25 | 江山市龙江消防材料有限公司 | Fire extinguisher output pipe capable of reducing pressure |
-
2014
- 2014-08-26 CN CN201420481621.1U patent/CN204170325U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368104A (en) * | 2014-08-26 | 2015-02-25 | 江山市龙江消防材料有限公司 | Fire extinguisher output pipe capable of reducing pressure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150225 |