CN104368104B - The fire extinguisher efferent duct that can be depressured - Google Patents
The fire extinguisher efferent duct that can be depressured Download PDFInfo
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- CN104368104B CN104368104B CN201410421689.5A CN201410421689A CN104368104B CN 104368104 B CN104368104 B CN 104368104B CN 201410421689 A CN201410421689 A CN 201410421689A CN 104368104 B CN104368104 B CN 104368104B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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Abstract
The present invention relates to fire extinguisher.A kind of fire extinguisher efferent duct being depressured, including body, the port of export of the body is provided with decompression head and decompression is covered, extinguishing chemical passing away is provided with the decompression head, what the outlet that one end of the extinguishing chemical passing away is provided with the body was docking together enters hole, the other end provided with portalling, it is all it is described enter hole aperture area and the sum more than the aperture area to portal described in all, described to portal in one end of the decompression cover, the end face of the other end of the decompression cover is provided with grid hole.The extinguishing chemical of ejection can be depressured and the fire extinguisher efferent duct being depressured simple in construction the invention provides a kind of, solve the problems, such as that existing fire extinguisher efferent duct can not prevent ignition point from splashing with simple structure.
Description
Technical field
The present invention relates to fire extinguisher, more particularly to a kind of fire extinguisher efferent duct being depressured.
Background technology
Fire extinguisher is a kind of portable Fire extinguisher.Extinguishing chemical is placed in fire extinguisher, to rescue fire extinguishing calamity.Fire extinguisher is normal
One of fireproofing installation seen, it is stored in public place or the place of fire may occurs, filling in different types of fire extinguisher
Composition is different, is to aim at different fire alarms and set.China Patent No. be 2014101161301, publication date be in June, 2014
18 days, disclose a kind of fire extinguisher in the patent document of entitled " Multi-functional analog fire extinguisher and its application method ".Fire extinguisher
Basic structure all as disclosed in the patent document, including cylinder body of fire extinguisher and be connected to the fire extinguisher of cylinder body of fire extinguisher
Efferent duct, extinguishing chemical during use in cylinder body of fire extinguisher export from fire extinguisher efferent duct and spray to burning things which may cause a fire disaster.Existing fire extinguisher
Efferent duct has two kinds of structure types, and only to include body, the fire extinguisher efferent duct of the structure does not have antihypertensive effect, ejected one kind
Extinguishing chemical pressure it is higher.Ignition point four is easily caused to dissipate the phenomenon splashed during use, especially in metal（Such as magnesium, sodium）Production
Due to the characteristics of metallic fires outburst is fierce, temperature is high during calamity of lighting a fire, ignition point, which splashes, then easily causes fire spread and to going out
The injury of fiery personnel.
Another kind is the shower nozzle for the extinguishing chemical generation atomization that can make discharge for including body and being arranged at the body port of export,
Although the fire extinguisher output pressure of the structure is low, it is more number of components to be present, complicated, and because extinguishing chemical is to be atomized
Spray afterwards, so the extinguishing chemical for having very big ratio can spread to surrounding and be unable to reach burning things which may cause a fire disaster, therefore the utilization of extinguishing chemical
Rate is low, and the fire extinguisher that can be atomized is only applicable to fluid extinguisher.
The content of the invention
The extinguishing chemical of ejection can be depressured and the fire extinguisher being depressured simple in construction the invention provides a kind of
Efferent duct, solve the problems, such as that existing fire extinguisher efferent duct can not prevent ignition point from splashing with simple structure.
Above technical problem is that solved by following technical proposal：A kind of fire extinguisher efferent duct being depressured, including pipe
Body, the port of export of the body is provided with decompression head and decompression is covered, and extinguishing chemical passing away, the fire extinguishing are provided with the decompression head
What the outlet that one end of agent passing away is provided with the body was docking together enters hole, the other end provided with portalling, all institutes
The aperture area of hole and the sum more than the aperture area to portal described in all are stated, it is described to portal positioned at the decompression cover
In one end, the end face of the other end of the decompression cover is provided with grid hole.In use, by the entrance point of body with Fire extinguisher tube pair
It is connected together, the extinguishing chemical that Fire extinguisher tube sprays is exited into hole after the entrance point of body enters from the port of export, then is passed through
Extinguishing chemical passing away and portal and enter decompression cover in during be once depressured, then flow out and take off through grid hole
By secondary decompression during from fire extinguisher.
Preferably, the decompression cover includes the circular cover body of elastic construction and is connected to the circular end of cover body one end
Plate, the inner surface of the shell are provided with the annular slot along the circumferentially extending of cover body, and the end plate only passes through the edge card of end plate
Linked together in the neck with the cover body, the grid hole is arranged at the end plate.By along cover body during assembling
Axially to extruding cover body and end plate, end force cover body elastic deformation when moving and so that the edge of end enters neck
In and realize connection.During dismounting, by the radial compression cover body along cover body cover body produce flat deformation and by end bullet
Go out, so as to realize dismounting.It is convenient during installing/dismounting end.Due to the percussion of extinguishing chemical, end plate is easily produced damaged and led
Cause antihypertensive effect to reduce, now conveniently by end plate is changed fire extinguisher can be caused to recover normal antihypertensive effect, safeguarded
Cost is low.
Preferably, one end of the decompression head is provided with external thread section, it is described portal be arranged at the one of the external thread section
End, the other end of the external thread section are provided with sealed step, and the cover body is provided with connecting hole, and the external thread section passes through the company
Connect Kong Houtong locking nuts to link together, be tightly connected between the locking nut and the sealed step by the cover body
Together.It is sealed connected together by the elastic deformation of cover body to be depressured to cover with decompression head, number of components is few, during assembling
It is convenient and do not allow to be also easy to produce and omit seal and caused poor sealing phenomenon.
Preferably, the other end of the decompression head is provided with internal thread hole, the port of export of the body is provided with thread head, institute
State decompression head be threaded in by the thread head in the internal thread hole to be linked together with the body, it is described enter hole
It is arranged in the screwed hole, the outer surface at the position that the decompression head is provided with the internal thread hole is positive six prismsby face, described
Positive six prismsby face between the sealed step be provided with avoid section.It is compact-sized, the weight of buck configuration can be reduced so that making
Used time is easily laborsaving.During use by spanner be stuck in positive six prismsby face up rotate decompression head by be depressured head be assembled to body
On, set avoidance section that generation deformation in cover body and decompression head assembling process can be avoided to be extended on positive six prismsby face and produce dry
Relate to rotary action and decompression cover is clipped broken by spanner and produces leakage phenomenon.
Preferably, the port of export of the cover body is sequentially provided with big footpath section and path section, the big footpath section and path section it
Between form positioning step, the interior diameter of the big footpath section is more than the diameter of the end plate, and the interior diameter of the path section is less than institute
The diameter of end plate is stated, the neck is located in the path section.It can prevent assembling process medial end portions from producing deflection and causing cover
Body eccentric wear and influence fixed effect.
Preferably, the end plate includes basic ring and the elastic network(s) being sealed on the basic ring, the area of the elastic network(s)
More than the aperture area of the basic ring, the hole on the elastic network(s) forms the grid hole.In use, elastic network(s) can be towards external drum
Rise, play a part of scattering in fire extinguisher.And then only needed in perforate on elastic network(s) straight in the plate of material for making elastic network(s)
It is what opening was scattered to connect out parallel straight hole and can enable to grid hole during use, therefore convenience during making is good.
It is preferably, the cover body is taper, described to be depressured that to be covered with one end of grid hole be bigger diameter end, it is described to portal
Opening direction line is acute angle with the angle between the axis of the decompression cover.Extinguishing chemical is enabled to effectively to be dissipated during use
Open.It is big to the area coverage of burning things which may cause a fire disaster.
Preferably, the decompression head is provided with the conical head that surfaces externally and internally is all the conical surface, it is described to portal positioned at the taper
On head.Diffusing effect is good.
Preferably, the flexible handle moved along the length direction of body is arranged with the body.Because fire extinguisher is defeated
Send the body of pipe smaller, be not easy to put forth effort during gripping, and the people of different brachiums and for burning things which may cause a fire disaster diverse location, it is necessary to grip
Position can difference, the entirety weight of fire extinguisher can be caused if solving problem above by increasing the method for outer tube diameter
Quantitative change weight, and weight becomes inconvenient during laborious and movement position grip position when weight then moves fire extinguisher.When producing fire, for non-
Specialty personnel often can be frightened tremble hands and feet and become powerless, fire extinguisher weight reduction and then can adapt to user
Use under the powerless state, ensure that Field Force can effectively be controlled in the very first time to fire when fire produces.
In addition when fire extinguisher is in non-working condition, the upper end of body can now move the handle into bending state
The bending place and body is protected.
Coordinate section preferably, the flexible handle is provided with middle finger and coordinate two elasticity at section both ends to increase resistance positioned at middle finger
Section, the elasticity, which increases resistance section, includes base tube and some elastic bulge loops being axially distributed along flexible handle being arranged on base tube,
Deformation is formed between adjacent elastic bulge loop and avoids ditch；Between the adjacent elastic bulge loop, coordinate section away from the middle finger
The overall diameter of elastic bulge loop is more than the overall diameter for the elastic bulge loop for coordinating section close to the middle finger.Different users grips when institute
The size of the handle needed is different, and the technical scheme can adapt to demand of the different users to handle size variation.
And elasticity bulge loop produces axial deformation and make it that curable grip is big when gripping so that user can reliably grip handle.
Present invention tool has the advantage that：Fire extinguisher can be depressured, decompression amount is 20-30%；Decompression cover is set to carry out
It is depressured, the component velocity for enabling to the extinguishing chemical of outflow radially to scatter is smaller, is not readily susceptible to the influence of external force and produces drift
Move, in the design range of fire extinguisher and in the case of wind speed is 20 kilometers hourly, fire extinguisher agent more than 95% can be sprayed onto fire
At source, jet angle can reach 72 °, area coverage it is big；Number of components is few.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：Include body 1, entrance point 11, the port of export 12, thread head 13, decompression first 2, linkage section 21, the periphery of linkage section
Face 211, avoid section 22, external thread section 23, conical head 231, extinguishing chemical passing away 24, enter hole 241, portal 242, screwed hole
25th, sealed step 26, locking nut 3, decompression cover 4, cover body 41, side wall 411, bottom wall 412, connecting hole 413, positioning step 414,
Big 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 coordinate section 51, elasticity to increase resistance section 52, base tube 521, elastic bulge loop 522, avoidance ditch 523.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of fire extinguisher efferent duct being depressured, only including body 1, first 2, locking nut 3, decompression cover are depressured
4 and flexible handle 5.
The entrance point 11 and the port of export 12 of body 1 are respectively provided with a thread head 13.
Decompression first 2 is sequentially provided with linkage section 21, avoids section 22 and external thread section 23.Extinguishing chemical is provided with decompression first 2 to discharge
Passage 24.The outer peripheral face 211 of linkage section is positive six prismsby face.Screwed hole 25 is provided with linkage section 21.Avoid section 22 and external screw thread
Sealed step 26 is formed between 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.Fire extinguishing
One end of agent passing away 24 is provided with into hole 241.Enter hole 241 to be located in screwed hole 25.Enter hole 241 and there was only one.Extinguishing chemical is arranged
The other end for going out passage 24 is provided with and portals 242.Portal 242 on conical head 231.All aperture areas for entering hole 241
With more than it is all portal 242 aperture area sum, go out that hole area sum is inlet -duct area sum in the present embodiment nine points
One of.The opening direction line to portal is acute angle with the angle between the center line of decompression head, is 60 ° in the present embodiment.Decompression first 2
It is threaded in screwed hole 25 by thread head 13 and is linked together and the port of export of same body 1.
Decompression cover 4 includes cover body 41 and end plate 42.Cover body 41 is elastic construction, and specially rubber is made.Cover body
41 include the side wall 411 and bottom wall 412 of cone.Side wall 411 and bottom wall 412 are structure as a whole.Side wall 411 and bottom wall 412 are all
For enclosed construction.Bottom wall 412 is blocked in one end of side wall 411.One end of side wall 411 where bottom wall is miner diameter end.Side wall 411 is same
Decompression first 2 is coaxial.Connecting hole is provided with the center of bottom wall 412.External thread section 23 is connected to after passing through connecting hole with locking nut 3
Realize together and decompression cover 4 links together with decompression first 2.The fitted seal step 26 of locking nut 3 is clamped on bottom wall 412
So that bottom wall produces elastic deformation and sealed step 26 namely decompression first 2 and cover body 41 is sealed connected together.Portal 242
In the bottom of decompression cover 4 namely blind end.The port of export of cover body 41 is sequentially provided with big footpath section 415 and path section 416.Big footpath
Section 415, which is provided with, resets resistance flange 417.Positioning step 414 is formed between big footpath section 415 and path section 416.Path section 416
Inner surface is provided with the annular slot 418 along the circumferentially extending of cover body.End plate 42 includes basic ring 421 and the bullet being sealed on basic ring
Property net 422.Elastic network(s) 422 and basic ring 421 all form for plastic production.Hole on elastic network(s) 422 forms grid hole 43.Elastic network(s)
422 area is more 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 vertical
In the plane where elastic network(s).The interior diameter of big footpath section 415 is more than the diameter of end plate 42（Namely the overall diameter of basic ring）, path section
416 interior diameter is less than the diameter of end plate 42.
It is by the method that end and cover body are assembled：End plate 42 is stretched into big footpath section 415 and made by positioning step 414
End is remedied to horizontal state and is shelved on positioning step 414, firmly interior to push away end plate 42（Make stress point on basic ring 421 and
Ensure circumferential firmly uniform）, the elasticity of path section 416 is opened and enables the expert of end plate 42, as the expert of end plate 42 to neck 418
During place, the elastic reset of cover body 41 and the edge card of basic ring 421 is realized and is fixed in the neck 418.
Dismounting under method be：Along position of the radial compression cover body of cover body 41 between end plate 42 and bottom wall 412, cover
Body sidewall 411 produces flat deformation and ejects end plate 42.Reset resistance flange 417 and play and accelerate the elastic reset of cover body 41
Effect, and prevent cover body from deforming.
Flexible handle 5 is set on body 1 and can moved along the length direction of body.Flexible handle 5 coordinates provided with middle finger
Section 51 and two elasticity increasing resistance sections 52 for coordinating section both ends positioned at middle finger.Middle finger coordinates section 51 and elasticity to increase resistance section 52 and be integrated knot
Structure.Middle finger coordinates the length of section 51 to be 1.5-2.5 centimetres.Elasticity, which increases resistance section 52, to be included base tube 521 and some is arranged on base tube
Elastic bulge loop 522.Axial direction distribution of the elastic bulge loop 522 along flexible handle.Deformation is formed between adjacent elastic bulge loop 522 to keep away
Allow ditch 523.Avoid the width of ditch 523（I.e. along the size of body axial direction）For 2-3 times of the elastic thickness of bulge loop 522.Adjacent bullet
Property bulge loop between, coordinate away from middle finger the elastic bulge loop of section overall diameter be more than close to middle finger coordinate section elastic bulge loop it is outer straight
Footpath.Same elasticity increases the elastic bulge loop in resistance section 52, at least three elastic bulge loop width（Bulge loop outer radius subtracts inside radius
Difference be bulge loop width）More than the width for avoiding ditch 523.Can so avoid overall all topple over completely of elastic bulge loop and
Reduce damping.
In use, the entrance point 11 of body is connected to one by the thread head 13 on the end with the outlet of Fire extinguisher tube
Rise.In fire extinguishing procedure, extinguishing chemical flows to hole 241 → extinguishing chemical passing away 24 through body 1, portalling enters decompression cover after 242
4, it is depressurized first 2 during being somebody's turn to do and is once depressured, and the fire extinguisher flowed out is in state of scattering.Then in the correction of cover body 41
The lower directive end plate 42 of effect simultaneously projects through grid hole 43.The pressure of extinguishing chemical causes the outwardly convex of elastic network(s) 422 and causes grid
The opening direction in hole 43 scatters, and is also scattered when extinguishing chemical flows through grid hole 23, by second when extinguishing chemical flows through decompression cover 4
Decompression.When not putting out a fire, flexible handle 5 is moved into place in the entrance point of body 2, is damaged preventing from bending at this, during fire extinguishing, is made
User carries Fire extinguisher tube on the other hand, another holding handles flexible handle 5 and mobile flexible handle 5 arrives required position, has
Body holding mode is：Middle finger is scratched to be coordinated in section 51 in middle refer to, and forefinger and thumb are buckled in an elasticity and increased in resistance section 52, little finger of toe and
The third finger is buckled in another elasticity and increased in resistance section 52, the elastic bulge loop 522 that elasticity increases in resistance section 52 axially topple over and produce elastic force,
The elastic force on the one hand play a part of increase curable grip, on the other hand can adapt to different size hand people gripping needs.
Claims (4)
1. a kind of fire extinguisher efferent duct being depressured, including body, it is characterised in that the port of export of the body is provided with decompression head
Covered with decompression, extinguishing chemical passing away is provided with the decompression head, one end of the extinguishing chemical passing away is provided with the pipe
What the outlet of body was docking together enter hole, the other end are provided with and portalled, it is all it is described enter hole aperture area and more than all
The aperture area to portal sum, it is described to portal in one end of the decompression cover, the other end that the decompression is covered
End face is provided with grid hole, and the decompression cover includes the circular cover body of elastic construction and is connected to the circular end of cover body one end
Plate, the inner surface of the shell are provided with the annular slot along the circumferentially extending of cover body, and the end plate only passes through the edge card of end plate
Linked together in the neck with the cover body, the grid hole is arranged at the end plate, is arranged with the body
The flexible handle moved along the length direction of body, the flexible handle are provided with middle finger and coordinate section and coordinate section both ends positioned at middle finger
Two elasticity increase resistance sections, the elasticity, which increases resistance section, includes base tube and some axial directions along flexible handle being arranged on base tube point
The elastic bulge loop of cloth, deformation is formed between adjacent elastic bulge loop and avoids ditch；Between the adjacent elastic bulge loop, away from described
Middle finger coordinates the overall diameter of the elastic bulge loop of section to be more than the overall diameter that the close middle finger coordinates the elastic bulge loop of section, the end plate
Including basic ring and the elastic network(s) being sealed on the basic ring, the area of the elastic network(s) is more than the aperture area of the basic ring, institute
The hole stated on elastic network(s) forms the grid hole.
2. the fire extinguisher efferent duct according to claim 1 being depressured, it is characterised in that one end of the decompression head is provided with
External thread section, described one end for being arranged at the external thread section of portalling, the other end of the external thread section are provided with sealed step, institute
State cover body and be provided with connecting hole, the external thread section links together after passing through the connecting hole with locking nut, the locking screw
It is sealed connected together between female and described sealed step by the cover body.
3. the fire extinguisher efferent duct according to claim 2 being depressured, it is characterised in that the other end of the decompression head is set
There is internal thread hole, the port of export of the body is provided with thread head, and the decompression head is threaded in described by the thread head
Linked together with the body in internal thread hole, it is described enter hole be arranged in the screwed hole, the decompression head is provided with institute
The outer surface for stating the position of internal thread hole is positive six prismsby face, and the positive six prismsby face is avoided with being provided between the sealed step
Section.
4. the fire extinguisher efferent duct being depressured according to claim 1 or 2 or 3, it is characterised in that the outlet of the cover body
End is sequentially provided with big footpath section and path section, forms positioning step between the big footpath section and path section, the big footpath section it is interior straight
Footpath is more than the diameter of the end plate, and the interior diameter of the path section is less than the diameter of the end plate, and the neck is positioned at described small
In the section of footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421689.5A CN104368104B (en) | 2014-08-26 | 2014-08-26 | The fire extinguisher efferent duct that can be depressured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421689.5A CN104368104B (en) | 2014-08-26 | 2014-08-26 | The fire extinguisher efferent duct that can be depressured |
Publications (2)
| Publication Number | Publication Date |
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| CN104368104A CN104368104A (en) | 2015-02-25 |
| CN104368104B true CN104368104B (en) | 2018-03-27 |
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| CN201410421689.5A Active CN104368104B (en) | 2014-08-26 | 2014-08-26 | The fire extinguisher efferent duct that can be depressured |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107998560B (en) * | 2018-01-12 | 2022-12-09 | 四川华川工业有限公司 | Handheld fire extinguisher and fire extinguishing method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB507776A (en) * | 1936-12-24 | 1939-06-21 | Sicli Sa | Improvements in or relating to fire extinguishing apparatus |
| US3901322A (en) * | 1973-11-01 | 1975-08-26 | Brooks Equipment Co Inc | Fire extinguisher discharge horn |
| FR2783434B1 (en) * | 1998-09-17 | 2000-12-15 | Eurofeu Sa | FIRE EXTINGUISHER TROMBLON |
| US20030013563A1 (en) * | 2000-12-12 | 2003-01-16 | Ryan Richard L. | Baseball practice bat |
| CN1743033A (en) * | 2005-09-16 | 2006-03-08 | 秦洪波 | Anti-skid badminton racket handle |
| CN201807120U (en) * | 2010-10-22 | 2011-04-27 | 浙江欧伦泰防火设备有限公司 | Frost-prevention spurting speaking trumpet |
| CN202070052U (en) * | 2011-05-05 | 2011-12-14 | 中国科学技术大学 | Portable pure-gas fire extinguisher |
| CN202844419U (en) * | 2012-10-17 | 2013-04-03 | 浙江宇安消防装备有限公司 | D-type fire extinguisher |
| CN203108052U (en) * | 2013-03-26 | 2013-08-07 | 安徽博士来消防安全技术有限公司 | Fire extinguisher nozzle |
| CN203355188U (en) * | 2013-05-02 | 2013-12-25 | 浙江快达消防设备有限公司 | Foam spray nozzle |
| CN103871290A (en) * | 2014-03-26 | 2014-06-18 | 周荣祖 | Multifunctional simulated fire extinguisher and using method thereof |
| CN204170325U (en) * | 2014-08-26 | 2015-02-25 | 江山市龙江消防材料有限公司 | Can the fire extinguisher efferent duct of step-down |
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