CN108514698A - Setting tool has the saving oneself respirator of the canister for the Turbogrid plates that thicken - Google Patents
Setting tool has the saving oneself respirator of the canister for the Turbogrid plates that thicken Download PDFInfo
- Publication number
- CN108514698A CN108514698A CN201810304873.XA CN201810304873A CN108514698A CN 108514698 A CN108514698 A CN 108514698A CN 201810304873 A CN201810304873 A CN 201810304873A CN 108514698 A CN108514698 A CN 108514698A
- Authority
- CN
- China
- Prior art keywords
- canister
- turbogrid plates
- thicken
- setting tool
- neck
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/04—Gas helmets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to fire-fighting equipments.A kind of setting tool has the saving oneself respirator of the canister for the Turbogrid plates that thicken, including head-shield, outgassing nonreturn valve and canister, the canister is equipped with venthole, Turbogrid plates are equipped in the canister, it is characterized in that, the thickness that the Turbogrid plates are equipped with the position of grid hole is gradually thinning from centre to edge, the Turbogrid plates include round frame, it is equipped with several transverse bars and several vertical muscle in the circle frame, the transverse bar and vertical muscle intersect to form grid hole.The present invention is intended to provide a kind of setting tool that the intensity of Turbogrid plates is high has the saving oneself respirator of the canister for the Turbogrid plates that thicken, solves the problems, such as the intensity difference of the Turbogrid plates of existing saving oneself respirator canister.
Description
Technical field
The present invention relates to the saving oneself breathings that fire-fighting equipment more particularly to a kind of setting tool have the canister for the Turbogrid plates that thicken
Device.
Background technology
Fire-fighting from the apparatus that smoke poisoning is worn and prevented when to seek respirator be for carrying out fire-fighting effect, including head-shield and
Canister, canister is for being filtered the air of sucking.Existing saving oneself respirator has the following disadvantages：Canister
The interior Turbogrid plates being supported to filtering material are foil structures, easy to produce deformation, and the applicant passes through before thus
Support column is set, Auxiliary support is carried out to Turbogrid plates.
Invention content
The present invention is intended to provide a kind of setting tool that the intensity of Turbogrid plates is high has the saving oneself of the canister for the Turbogrid plates that thicken
Respirator solves the problems, such as the intensity difference of the Turbogrid plates of existing saving oneself respirator canister.
The above technical problem is solved by following technical proposal：A kind of setting tool has disappearing for the canister for the Turbogrid plates that thicken
Anti- self-rescue apparatus, including head-shield, outgassing nonreturn valve and canister, the canister are equipped with venthole, are set in the canister
There are Turbogrid plates, which is characterized in that the thickness that the Turbogrid plates are equipped with the position of grid hole is gradually thinning from centre to edge, described
Turbogrid plates include round frame, and several transverse bars and several vertical muscle, the transverse bar and vertical muscle X-shape are equipped in the circle frame
At grid hole.The structural strength of Turbogrid plates can be improved in such a way that material consumption amount and apparent volume are smaller.
Preferably, the transverse bar and vertical muscle are distributed and are staggered along the axial direction of the round frame.It can further decrease
Material consumption amount.
Preferably, the transverse bar is located at approximately the same plane towards the side of the vertical muscle and vertical muscle towards the side of transverse bar
On.The convenience that mold molds when being made by injection molding manner can be improved.
Preferably, being equipped with buffer air bag in the head-shield.The safety of head-shield can be passed through.
Preferably, further including the mask being located in head-shield, the outlet end of canister and the input end of outgassing nonreturn valve are all
The connection of face mask is fixed together after head-shield and face mask surrounds inner space, be equipped in the mask closing spring and
Opening structure, the mask is interior to be equipped with the oxygen delivery outlet being connected to the buffer air bag, and the oxygen delivery outlet is equipped with lid,
The closing spring is for driving the closed with covers residence to state oxygen delivery outlet, and the opening structure is for overcoming the shutdown
The elastic force of spring and so that the lid is opened, the opening structure includes slide cartridge, lever and the driving plug in slide cartridge, institute
The one end for stating lever links together with the lid, the other end links together with driving plug, and the driving plug drives
The arm of force of the lever rotation is more than the arm of force that the closing spring drives the lever rotation, and the driving is filled in the slide cartridge
It is divided into the open cavity that closing chamber is connected to with the mask；When original state, the air pressure of the closing chamber and open cavity is equal
And oxygen delivery outlet is stated in closed with covers residence；When the pressure in open cavity declines, the pressure differential of closing chamber and open cavity is driven
Dynamic plug it is mobile towards open cavity so that lever swing and overcome the elastic force of the closing spring and the lid opened.
When use in buffer air bag fill oxygen and when buffer air bag in air pressure be more than 1 standard atmospheric pressure than buffer air bag outside
The air pressure in portion is high.The air pressure in mask increases upon exhalation, so that driving plug is to be moved towards closing chamber, mobile structure
For driving plug by lever drive lid towards lid to oxygen outlet direction move, avoid in buffer air bag oxygen outflow and
Cause to waste.Air pressure reduction in mask upon inhalation, to make that driving plug is to be moved towards open cavity under the action of pressure difference
Dynamic, mobile structure is that driving plug drives lid to open by lever so that avoids the oxygen in buffer air bag from flowing out and covers to the end
Gas that is interior and entering in company with canister is inhaled by the user together, is played the role of the oxygen content for increasing sucking gas, is avoided
Cause user uncomfortable due to anoxic in conflagration area.
Preferably, the oxygen delivery outlet is connected to by communicating pipe with the buffer air bag, the communicating pipe is equipped with
Valve.Connection of the buffer air bag with oxygen outlet is realized by controlled valve when use so that user can be more residing
The case where environment, decides whether supplemental oxygen.
Preferably, the head-shield, which is equipped with the neck being set on the neck of user, is arranged section, the neck is arranged section
For flexible structure, the neck is arranged section and is arranged a section tightening structure equipped with neck, and it includes edge that the neck, which is arranged a section tightening structure,
The drag-line that neck is arranged the annular chamber of section circumferentially extending, drag-line is fastened loose configuration and is threaded through in annular chamber, the drag-line system
Tense-lax opening structure includes the curved pipe circumferentially extended along annular chamber, and the wall of the curved pipe is equipped with arcuately pipe extending direction and prolongs
The evacuation gap stretched sets extending along ring pipe extending direction there are two sliding block and between two sliding blocks in the curved pipe
Flexible gas-filled stick, the both ends of the drag-line link together with described two sliding blocks correspondingly after intersecting, the flexibility
Aerated rod is connected with charge and discharge gas port.It can realize that head-shield lower end is fixed with the closing in of neck.
The invention also includes control device, the neck is arranged there are two section tightening structures and is distributed along the vertical direction, institute
State charge and discharge gas port and be connected with two-way air pump, the control device control described two necks be arranged the drag-line of section tightening structure according to
The time interval of setting is alternately fastened.Drag-line can be avoided to fasten the same position on user's neck for a long time and cause
Neck injury.
Preferably, the two-way air pump links together with the buffer air bag.
Present invention tool has the advantage that：The structural strength of Turbogrid plates is good.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is enlarged diagram of the Turbogrid plates with the junction of canister.
Fig. 3 is the close-up schematic view at the A of Fig. 1.
Fig. 4 is the schematic top plan view that neck is arranged after section tightening structure removal annular chamber.
Fig. 5 is the connection control planning schematic diagram that neck is arranged section tightening structure and buffer air bag.
In figure：Head-shield 2, head are arranged section 21, neck is arranged section 22, buffer air bag 23, oxygen delivery outlet 24, lid 28,
Communicating pipe 25, valve 26, mask 3, closing spring 33, canister 4, Turbogrid plates 41, round frame 411, transverse bar 412, transverse bar court
To the side 4121 of vertical muscle, vertical muscle 413, muscle is indulged towards the side 4131 of transverse bar, grid hole 414, frame portion bulge loop 415, outlet
Hole 42, front housing 43, front housing portion are by pressure ring 431, rear shell 44, the first bulge loop 441, the second bulge loop 442, rear shell portion card slot 443, filter paper
45, neck is arranged section tightening structure 5, annular chamber 51, drag-line 52, one end 521 of drag-line, the other end 522 of drag-line, drag-line tie-down
Loose configuration 53, curved pipe 531, evacuation gap 5311, sliding block 532, flexible gas-filled stick 533, flexible gas-filled stick are connected with charge and discharge
Gas port 5331, two-way air pump 535, outgassing nonreturn valve 6, opening structure 7, slide cartridge 71, closing chamber 711, opens control device 534
Chamber 712, lever 72, driving plug 73, supporting pin 74.
Specific implementation mode
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of setting tool has a saving oneself respirator of the canister for the Turbogrid plates that thicken, including head-shield 2, mask 3,
Canister 4 and outgassing nonreturn valve 6.
Head-shield 2 is equipped with the neck that head is arranged section 21 and is set on the neck of user and is arranged section 22.Head is arranged section
Buffer air bag 23 is equipped in 21.Buffer air bag 23 constitutes head and is arranged the interior surface layers that section goes out the part outside leading flank.Neck set
If section is flexible structure.Neck is arranged section and is arranged section tightening structure 5 equipped with neck.Neck is arranged there are two section tightening structures and edge
Upper and lower directions is distributed.It includes along neck is arranged the annular chamber 51 of section circumferentially extending, drag-line fastens pine that neck, which is arranged section tightening structure,
Opening structure and the drag-line 52 being threaded through in annular chamber.Mask 3 is located in head-shield.The outlet end of canister 4 and outgassing nonreturn valve 6
Face mask is fixed together after input end all passes through head-shield 2, to realize that the inner space that face mask surrounds is connected to.
Referring to Fig. 1 and Fig. 3, closing spring 33 and opening structure 7 are equipped in mask.It is equipped in cover body and is connected to buffer air bag
Oxygen delivery outlet 24.Oxygen delivery outlet is equipped with lid 28.Closing spring is for driving closed with covers to live oxygen delivery outlet.It opens the door
Structure is used to overcome the elastic force of the closing spring and lid is opened.Opening structure includes slide cartridge 71, lever 72 and is located at
Driving plug 73 in slide cartridge.Lever 72 is hinged on by supporting pin 74 in cover body 31.One end of lever links together with lid,
The other end links together with driving plug.Driving plug activation lever is driven using the arm of force that supporting pin is moved as shaft rotation more than closing spring
The arm of force that lever is moved using supporting pin as shaft rotation.Slide cartridge is divided into the open cavity that closing chamber 711 is connected to face mask by driving plug
712；When original state, the air pressure of closing chamber and open cavity is equal and lid closes oxygen output under the action of closing spring
Mouth 24；The air pressure decline in mask closing chamber and is opened so that the pressure in open cavity declines upon inhalation during use
The pressure differential driving plug for putting chamber it is mobile towards open cavity so that lever swing and overcome the elastic force of closing spring and make
Lid is opened.Pressure when expiration in mask rises the pressure rising so that in open cavity, the pressure of closing chamber and open cavity
Difference driving driving plug it is mobile towards closing chamber so that lever swing and assist closing spring to make the more structurally sound lid of lid
On oxygen delivery outlet.Oxygen delivery outlet is connected to by communicating pipe 25 with buffer air bag.Communicating pipe is equipped with valve 26.Valve 26
For hand-operated valve.
Referring to Fig. 2, canister 4 is plastic construction.Turbogrid plates 41 are equipped in canister.Canister 4 includes front housing 43 with after
Shell 44.Front housing is circle.The inner surface of front housing 43 is equipped with front housing portion and presses pressure ring 431.Front housing portion is by pressure ring along the circumferential direction of front housing
Extend.Rear shell is circle.The front end face of rear shell is equipped with the first bulge loop 441.The circumferentially extending of first bulge loop member rear shell.Rear shell
Inner surface forms the second bulge loop 442 to front projection.Rear shell portion card slot 443 is formed between first bulge loop and the second bulge loop.Grid
Plate 41 includes round frame 411.Several transverse bars 412 and several vertical muscle 413 are equipped in round frame.Transverse bar and vertical muscle intersect to form
Grid hole 414.Transverse bar is located at towards the side 4131 of transverse bar in approximately the same plane towards the side 4121 and vertical muscle for indulging muscle.Transverse bar
It along the axial distribution of round frame and is staggered with vertical muscle.Vertical surface of the muscle far from transverse bar side be located on same spherical surface so that
The thickness at the position equipped with grid hole of Turbogrid plates is gradually thinning from centre to edge.The rear end face of round frame is equipped with frame portion
Bulge loop 415.Filter paper 45 is covered on the rear end of Turbogrid plates when use, and the front support of Turbogrid plates the filtrate in canister
（Such as activated carbon）.Frame portion bulge loop is caught in rear shell portion card slot and the edge of filter paper is also clamped in frame portion bulge loop and rear shell portion
Between card slot, to realize the fixation of Turbogrid plates and canister and to the fixation of filter paper.First bulge loop is worn in a manner of tight fit
It is located in the rear end of front housing, the first bulge loop coordinates front housing portion to clamp the secondary fixation that Turbogrid plates realize Turbogrid plates by pressure ring.
Referring to Fig. 4 and Fig. 5, it includes the curved pipe 531 circumferentially extended along annular chamber that drag-line, which fastens loose configuration 53,.Curved pipe
Wall be equipped with arcuately pipe extending direction extend evacuation gap 5311.It is set in curved pipe there are two sliding block 532 and positioned at two
The flexible gas-filled stick 533 extended along ring pipe extending direction between a sliding block.Two sliding blocks 532 are by driving two slider boxes
The sliding block held together closes up spring（It is not drawn in figure）It links together.After one end 521 of drag-line and the other end 522 of drag-line intersect
It links together correspondingly with two sliding blocks.It further includes control device 534 that drag-line, which fastens loose configuration 53,.Flexible gas-filled stick
It is connected with charge and discharge gas port 5331.Charge and discharge gas port is connected to by two-way air pump 535 with buffer air bag.
Referring to Fig. 1, Fig. 4 and Fig. 5, control device control two necks be arranged the drag-line of section tightening structure according to setting when
Between alternate tie-down, first make when specially using lower section cable pull and make neck be arranged section shrink tighten in user
Neck and reduce extraneous air and enter head-shield and stimulate eyes, crossed setting duration after make top cable pull and make
Neck is arranged section contraction and tightens, and the drag-line of lower section is unclamped after the cable pull of top, and the drawing of lower section is made after the duration made
Rope tenses and so that neck is arranged section contraction and tightens, and the drag-line of top is unclamped after the cable pull of lower section, and so cycle, which is realized, hands over
For tie-down.
Referring to Fig. 5, the process that drag-line is fastened and unclamped is：It is inflated to aerated rod by two-way air pump when tie-down, aerated rod
Inflation heaves and a pair of of sliding block is driven to separate, and is fastened so that the ring that drag-line surrounds reduces to realize；It is two-way when release to fill
Air pump extracts the gas in aerated rod out, and so that aerated rod is deflated and lose supporting role, under the action of sliding block closes up spring
Two sliding blocks close up so that drag-line loses tensile force to realize release.
Claims (9)
1. a kind of setting tool has the saving oneself respirator of the canister for the Turbogrid plates that thicken, including head-shield, outgassing nonreturn valve and filter poison
Tank, the canister are equipped with venthole, are equipped with Turbogrid plates in the canister, which is characterized in that the Turbogrid plates are equipped with grid
The thickness at the position in hole is gradually thinning from centre to edge, and the Turbogrid plates include round frame, is equipped in the circle frame
Several transverse bars and several vertical muscle, the transverse bar and vertical muscle intersect to form grid hole.
2. setting tool according to claim 1 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
The transverse bar and vertical muscle are distributed and are staggered along the axial direction of the round frame.
3. setting tool according to claim 1 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
The transverse bar is located at towards the side of transverse bar in approximately the same plane towards the side of the vertical muscle and vertical muscle.
4. setting tool according to claim 1 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
Buffer air bag is equipped in the head-shield.
5. setting tool according to claim 4 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
Further include the mask being located in head-shield, face mask is solid after the outlet end of canister and the input end of outgassing nonreturn valve all pass through head-shield
It is scheduled on together and the inner space connection that surrounds of face mask, closing spring and opening structure, the mask is equipped in the mask
Interior the oxygen delivery outlet is equipped with lid equipped with the oxygen delivery outlet being connected to the buffer air bag, and the closing spring is used for
The closed with covers residence is driven to state oxygen delivery outlet, the opening structure is used to overcome the elastic force of the closing spring and makes
The lid is opened, and the opening structure includes slide cartridge, lever and the driving plug in slide cartridge, the same institute in one end of the lever
State that lid links together, the other end links together with driving plug, the driving plug drives the power of the lever rotation
Arm is more than the closing spring and drives the arm of force of the lever rotation, and the slide cartridge is divided into closing chamber and together by the driving plug
The open cavity of the mask connection；When original state, the air pressure of the closing chamber and open cavity is equal and closed with covers residence is stated
Oxygen delivery outlet；When the pressure in open cavity declines, the pressure differential driving plug of closing chamber and open cavity is moved towards open cavity
It is dynamic so that lever swing and overcome the elastic force of the closing spring and the lid opened.
6. setting tool according to claim 5 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
The oxygen delivery outlet is connected to by communicating pipe with the buffer air bag, and the communicating pipe is equipped with valve.
7. setting tool according to claim 4 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
The head-shield is equipped with the neck being set on the neck of user and is arranged section, and it is flexible structure, the neck that the neck, which is arranged section,
Portion is arranged section and is arranged a section tightening structure equipped with neck, and it includes being arranged section circumferentially extending along neck that the neck, which is arranged a section tightening structure,
Annular chamber, drag-line fasten loose configuration and the drag-line that is threaded through in annular chamber, it includes along ring that the drag-line, which fastens loose configuration,
The curved pipe of shape chamber circumferentially extending, the wall of the curved pipe is equipped with the evacuation gap that arcuately pipe extending direction extends, described
Sliding block, the flexible gas-filled stick extended along ring pipe extending direction between two sliding blocks and driving there are two being set in curved pipe
The sliding block that two sliding blocks close up closes up spring, is connected to correspondingly with described two sliding blocks after the both ends intersection of the drag-line
Together, the flexible gas-filled stick is connected with charge and discharge gas port.
8. setting tool according to claim 7 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
Further include control device, the neck is arranged there are two section tightening structures and is distributed along the vertical direction, the charge and discharge gas port connection
There are two-way air pump, the control device to control described two necks and be arranged the drag-line of section tightening structure at set time intervals
Alternately fasten.
9. setting tool according to claim 8 has the saving oneself respirator of the canister for the Turbogrid plates that thicken, which is characterized in that
The two-way air pump links together with the buffer air bag.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304873.XA CN108514698B (en) | 2018-04-08 | 2018-04-08 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
| CN202010255712.3A CN111544793A (en) | 2018-04-08 | 2018-04-08 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304873.XA CN108514698B (en) | 2018-04-08 | 2018-04-08 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010255712.3A Division CN111544793A (en) | 2018-04-08 | 2018-04-08 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108514698A true CN108514698A (en) | 2018-09-11 |
| CN108514698B CN108514698B (en) | 2020-05-08 |
Family
ID=63431551
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810304873.XA Active CN108514698B (en) | 2018-04-08 | 2018-04-08 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
| CN202010255712.3A Withdrawn CN111544793A (en) | 2018-04-08 | 2018-04-08 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010255712.3A Withdrawn CN111544793A (en) | 2018-04-08 | 2018-04-08 | Fire-fighting self-rescue respirator provided with canister with thickened grid plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108514698B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045310U (en) * | 1989-01-14 | 1989-10-04 | 抚顺煤矿安全仪器厂 | Postive pressure type mechanism for positive pressure breathing apparatus |
| CN2158734Y (en) * | 1993-01-12 | 1994-03-16 | 郭锦文 | Air respirator for person to escape from fire disaster |
| CN2282440Y (en) * | 1997-02-04 | 1998-05-27 | 北京市劳动保护科学研究所 | Fire control filtering type saving oneself respirator |
| CN201025194Y (en) * | 2007-04-20 | 2008-02-20 | 沈王平 | Framework for filter core |
| CN202107081U (en) * | 2011-05-12 | 2012-01-11 | 深圳市环球博洋机电科技有限公司 | Positive pressure adjustable respirator |
| CN206273150U (en) * | 2016-10-20 | 2017-06-23 | 万明华 | A kind of respiratory protection mouth mask |
| US9708834B2 (en) * | 2015-01-05 | 2017-07-18 | Joseph Edell | Combination bicycle lock and pump |
| CN107811809A (en) * | 2017-12-04 | 2018-03-20 | 肖玉美 | A kind of postoperative hand grip of orthopaedics resumes training device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230597Y (en) * | 1995-06-16 | 1996-07-10 | 抚顺煤矿安全仪器总厂 | Filtering life saver for conflagration |
| CN2527307Y (en) * | 2002-01-25 | 2002-12-25 | 夏云凤 | Self-lifesaving respirator with fire-fighting chemical oxygen |
| CN2609590Y (en) * | 2003-04-30 | 2004-04-07 | 王宝锷 | Protective clothes combined with cap and mask |
| KR100934969B1 (en) * | 2008-02-15 | 2010-01-06 | 이종원 | A disposable gas mask |
| RU104071U1 (en) * | 2010-12-27 | 2011-05-10 | Общество с ограниченной ответственностью "Собинтел" | GAS WATERPROOF KIT FOR PROTECTING CHILDREN |
| CN202270276U (en) * | 2011-08-25 | 2012-06-13 | 浙江省江山市浙安消防设备有限公司 | A fire filter type self-rescue respirator |
| CN105495776A (en) * | 2016-01-11 | 2016-04-20 | 王红兵 | Intelligent electric haze prevention respirator |
| CN206239911U (en) * | 2016-08-24 | 2017-06-13 | 广州市兴安消防科技有限公司 | A kind of fire-fighting special-purpose multifunctional filtering type saving oneself respirator |
-
2018
- 2018-04-08 CN CN201810304873.XA patent/CN108514698B/en active Active
- 2018-04-08 CN CN202010255712.3A patent/CN111544793A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045310U (en) * | 1989-01-14 | 1989-10-04 | 抚顺煤矿安全仪器厂 | Postive pressure type mechanism for positive pressure breathing apparatus |
| CN2158734Y (en) * | 1993-01-12 | 1994-03-16 | 郭锦文 | Air respirator for person to escape from fire disaster |
| CN2282440Y (en) * | 1997-02-04 | 1998-05-27 | 北京市劳动保护科学研究所 | Fire control filtering type saving oneself respirator |
| CN201025194Y (en) * | 2007-04-20 | 2008-02-20 | 沈王平 | Framework for filter core |
| CN202107081U (en) * | 2011-05-12 | 2012-01-11 | 深圳市环球博洋机电科技有限公司 | Positive pressure adjustable respirator |
| US9708834B2 (en) * | 2015-01-05 | 2017-07-18 | Joseph Edell | Combination bicycle lock and pump |
| CN206273150U (en) * | 2016-10-20 | 2017-06-23 | 万明华 | A kind of respiratory protection mouth mask |
| CN107811809A (en) * | 2017-12-04 | 2018-03-20 | 肖玉美 | A kind of postoperative hand grip of orthopaedics resumes training device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111544793A (en) | 2020-08-18 |
| CN108514698B (en) | 2020-05-08 |
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