CN208176747U - The breathing agent set of positive-pressure type full facepiece mask - Google Patents
The breathing agent set of positive-pressure type full facepiece mask Download PDFInfo
- Publication number
- CN208176747U CN208176747U CN201820202254.5U CN201820202254U CN208176747U CN 208176747 U CN208176747 U CN 208176747U CN 201820202254 U CN201820202254 U CN 201820202254U CN 208176747 U CN208176747 U CN 208176747U
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- breathing
- agent set
- air inlet
- circlip
- outside
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Abstract
The utility model relates to a kind of breathing agent sets of positive-pressure type full facepiece mask, including mask body, the head net being connect by headband with mask body and the breathing agent set being mounted in mask body, it breathes agent set and is equipped with air inlet and exhalation vents, a boss is equipped in the middle part of the air inlet, air inlet is equipped with cloud battle array gasket on the inside of boss, voice vibrating diaphragm is equipped on the inside of cloud battle array gasket, air inlet is equipped with symmetrical mounting groove in the side wall of outside the boss, is equipped with a circlip being flexibly connected with it in mounting groove；A bracket is equipped in the middle part of the exhalation vents, bracket is equipped with the black box being made of expiration valve block, breathing vibration piece, spring and jeans button；The structure design of the utility model is reasonable, so that a possibility that outlet valve air-tightness greatly improves, improves protective performance to the full extent, reduce gas leakage improves safety coefficient so that mask leak rate reduces.
Description
Technical field
The utility model relates to breathing apparatus technical fields more particularly to a kind of breathing main body of positive-pressure type full facepiece mask to fill
It sets.
Background technique
Respiratory protection equipment be mainly used in fire-fighting, coal mine, chemical industry, ship, environmental protection, anti-terrorism, place dash forward etc. industries, have
The advantages that protection factor height, comfortable wearing.The working principle of respiratory protection equipment is that clean compression is stored by high pressure gas cylinder
Air is discharged into one-level pressure relief valve by bottle valve, then enters full facepiece mask after steam supply valve secondary pressure, makes for wearer's breathing
With protecting infringement of user's respiratory apparatus not by extraneous toxic environment air.Positive-pressure type full facepiece mask is respiratory protection equipment
Important component, it is made of silica gel face body, oronasal mask, polycarbonate lens, eyeglass card frame, outlet valve, headband etc..And mesh
The breathing main body assembly process of preceding positive-pressure type full facepiece mask is many and diverse, many and diverse assembly process exist cause air-tightness undesirable because
Element influences the air-tightness and quality of full facepiece mask.
Summary of the invention
In order to solve deficiency in the prior art, the utility model provides a kind of exhaling for positive-pressure type full facepiece mask that air-tightness is good
Inhale agent set.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of breathing agent set of positive-pressure type full facepiece mask, connect including mask body, by headband with mask body
Head net and the breathing agent set being mounted in mask body, breathing agent set are equipped with air inlet and exhalation vents, feature
It is:
A boss is equipped in the middle part of the air inlet, air inlet is equipped with cloud battle array gasket on the inside of boss, sets on the inside of cloud battle array gasket
There is voice vibrating diaphragm, air inlet is equipped with symmetrical mounting groove in the side wall of outside the boss, is equipped with one in mounting groove and lives with it
The circlip of dynamic connection, circlip is U-shaped structure, and the mid-section body two sides of circlip are located in corresponding mounting groove, and circlip end is located at
It breathes on the inside of agent set, circlip middle position is located on the outside of breathing agent set and its middle part also detachably connects with a key
It connects；
A bracket is equipped in the middle part of the exhalation vents, mid-stent is equipped with mounting hole, and breathing agent set is on the outside of exhalation vents
Edge is equipped with the sealing bar of rounding corner structure, breathes agent set two sides on the outside of exhalation vents and is equipped with symmetrical fixed plate,
Stent outer is equipped with expiration valve block, and expiration valve block back side is equipped with one for its middle side part of spherical structure and is inserted into setting in mounting hole
Thimble, expiration valve block front interior, which is equipped in the middle part of groove body and groove body, is equipped with a positioning column, and breathing vibration piece is additionally provided in groove body
And the through-hole passed through for positioning column is equipped in the middle part of breathing vibration piece, it is connect by spring with a jeans button on front side of breathing vibration piece, work
Word button both ends are distributed in corresponding fixed plate connection.
The side that the breathing vibration piece is connect with spring is equipped with the limit rib positioned at spring outwards.
Protrusion is equipped on the outside of the fixed plate, the jeans button both ends are used for the fixation hole being correspondingly connected with the protrusion.
The steam supply valve connecting with the air inlet is further comprised, steam supply valve end is inserted into setting, steam supply valve in air inlet
It is equipped with sealing ring on the outside of the side of its end, a card slot for connecting with the circlip is additionally provided on the outside of steam supply valve, card
Spring mid-section body is fallen into card slot for fixing the steam supply valve.
The beneficial effects of the utility model are: it is reasonable in design, so that outlet valve air-tightness greatly improves, utmostly
On a possibility that improving protective performance, reducing gas leakage so that mask leak rate reduces improve safety coefficient.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram for breathing agent set.
Fig. 3 is the outside structure diagram breathed after agent set assembly.
Fig. 4 is the inside structure schematic diagram breathed after agent set assembly.
Fig. 5 is the structural schematic diagram of expiration valve block, breathing vibration piece and jeans button.
Fig. 6 is the partial structural diagram of steam supply valve.
In figure: 1 net, 2 headbands, 3 mask bodies, 4 breathing agent sets, 5 keys, 6 circlips, 7 voice vibrating diaphragms, 8 are exhaled
Mouth, 9 brackets, 10 sealing bars, 11 air inlets, 12 boss, 13 cloud battle array gaskets, 14 thimbles, 15 expiration valve blocks, 16 springs, 17 I-shapeds
Button, 18 groove bodies, 19 breathing vibration pieces, 20 positioning columns, 21 limit ribs, 22 fixation holes, 23 steam supply valves, 24 card slots, 25 sealing rings, 26
Mounting groove, 27 fixed plates, 28 protrusions.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
According to Fig. 1 to Fig. 5: a kind of breathing agent set of positive-pressure type full facepiece mask, including mask body 3, pass through head
The head net 1 connecting with 2 with mask body 3 and the breathing agent set 4 being mounted in mask body 3 are breathed and are set on agent set 4
There are air inlet 11 and exhalation vents 8, in which:
A boss 12 is equipped in the middle part of the air inlet 11, air inlet 11 is equipped with cloud battle array gasket 13, Yun Zhen on the inside of boss 12
Gasket 13 is assemblied on boss 12, and voice vibrating diaphragm 7 is equipped on the inside of cloud battle array gasket 13, and voice vibrating diaphragm 7 is assemblied on cloud battle array gasket 13,
The structure design of boss 12 solves a possibility that gas leakage caused by existing breathing subject plane designs；
Side wall of the air inlet 11 in the outside of boss 12 is equipped with symmetrical mounting groove 26, be equipped in mounting groove 26 one with
Its circlip 6 being flexibly connected, circlip 6 are U-shaped structure, and the mid-section body two sides of circlip 6 are located in corresponding mounting groove 26, circlip
6 ends are located at breathing agent set 4 inside, and 6 middle position of circlip is located at 4 outside of breathing agent set and its middle part is also with one
Key 5 is detachably connected, and the inside groove for accommodating simultaneously fixed circlip 6 is equipped with inside key 5, presses circlip 6 by key 5,
Keep the main part at the middle part of circlip 6 movable in air inlet 11, while after unclamping key 5, circlip 6 can be in the elasticity of its two end
Effect is lower to be resetted, and by circlip 6 for steam supply valve 23 connected to it to be fixed, and realizes fast quick-detach；
It is equipped with a bracket 9 in the middle part of the exhalation vents 8, is equipped with mounting hole in the middle part of bracket 9, breathes agent set 4 in exhalation vents 8
Outer ledge is equipped with the sealing bar 10 of rounding corner structure, and the setting of sealing bar 10 is maximum so that outlet valve air-tightness greatly improves
Protective performance is improved in degree, breathing agent set 4 is equipped with symmetrical fixed plate 27 in 8 outside two sides of exhalation vents, Gu
Fixed board 27 with jeans button 17 for being connected and fixed；
Expiration valve block 15 is equipped on the outside of bracket 9,15 back side of expiration valve block is that its middle side part of spherical structure is equipped with an insertion
The thimble 14 being arranged in mounting hole, 15 front interior of expiration valve block, which is equipped in the middle part of groove body 18 and groove body 18, is equipped with a positioning column
20, it is additionally provided in groove body 18 in the middle part of breathing vibration piece 19 and breathing vibration piece 19 and is equipped with the through-hole passed through for positioning column 20, breathing
It is connect by spring 16 with a jeans button 17 on front side of vibration piece 19, the side that breathing vibration piece 19 is connect with spring 16, which is equipped with, is located at spring
The limit rib 21 in 16 outsides, is fixed on 16 one end end of spring between positioning column 20 and limit rib 21,17 both ends of jeans button point
It is distributed in corresponding fixed plate 27 to connect, the annular groove for 16 other end of fixed spring is equipped in the middle part of jeans button 17, so that exhaling
Valve block 15, breathing vibration piece 19, spring 16 and jeans button 17 are connected as an entirety, and the entirety two sides pass through thimble 14 respectively
It is connected and fixed with jeans button 17 and breathing agent set 4, solves many and diverse assembly process, avoid since many and diverse process causes
The not good factor of air-tightness.
Further, protrusion 28 is equipped on the outside of the fixed plate 27,17 both ends of jeans button are used for and described raised 28
The fixation hole 22 being correspondingly connected with is cooperated with fixation hole 22 by protrusion 28 and realizes the quick assembling of jeans button 17.
According to Fig.6: further comprise the steam supply valve 23 connecting with the air inlet 11,23 end of steam supply valve be inserted into
Setting in port 11, steam supply valve 23 is equipped with sealing ring 25 on the outside of the side of its end, for guaranteeing steam supply valve 23 and air inlet
Air-tightness between mouthful 11 inner walls, is additionally provided with a card slot 24 for connecting with the circlip 6 on the outside of steam supply valve 23, in circlip 6
Portion's main body is fallen into for fixing the steam supply valve 23 in card slot 24, when steam supply valve 23 is assemblied in air inlet 11, in circlip 6
Portion's main body can be fallen into the card slot 24, realize that the position of steam supply valve 23 is fixed, when dismantling steam supply valve 23, pressing keys 5 make
The mid-section body and card slot 24 of circlip 6 are detached from, so that the disassembly of steam supply valve 23 is completed, so that expiration valve block 15 is only being exhaled
It can just be opened when gas, so that 3 leakage rate of mask body reduces, improve safety coefficient.
The foregoing is merely the preferred embodiments of the utility model, as long as realizing the utility model with essentially identical means
Purpose technical solution, belong within the protection scope of the utility model.
Claims (4)
1. a kind of breathing agent set of positive-pressure type full facepiece mask, including mask body, the head being connect by headband with mask body
Net and the breathing agent set being mounted in mask body, breathing agent set are equipped with air inlet and exhalation vents, and feature exists
In:
A boss is equipped in the middle part of the air inlet, air inlet is equipped with cloud battle array gasket on the inside of boss, is equipped with language on the inside of cloud battle array gasket
Sound vibrating diaphragm, air inlet are equipped with symmetrical mounting groove in the side wall of outside the boss, and it is movable even with it that one is equipped in mounting groove
The circlip connect, circlip are U-shaped structure, and the mid-section body two sides of circlip are located in corresponding mounting groove, and circlip end is located at breathing
On the inside of agent set, circlip middle position is located on the outside of breathing agent set and its middle part is also detachably connected with a key；
A bracket is equipped in the middle part of the exhalation vents, mid-stent is equipped with mounting hole, breathes agent set in exhalation vents outer ledge
Sealing bar equipped with rounding corner structure breathes agent set two sides on the outside of exhalation vents and is equipped with symmetrical fixed plate, bracket
Outside is equipped with expiration valve block, and expiration valve block back side is that its middle side part of spherical structure is equipped with a top for being inserted into setting in mounting hole
Needle, expiration valve block front interior, which is equipped in the middle part of groove body and groove body, is equipped with a positioning column, and breathing vibration piece is additionally provided in groove body and is exhaled
It is equipped with the through-hole passed through for positioning column in the middle part of absorbing piece, is connect by spring with a jeans button on front side of breathing vibration piece, jeans button
Both ends are distributed in corresponding fixed plate connection.
2. the breathing agent set of positive-pressure type full facepiece mask according to claim 1, it is characterised in that: breathing vibration piece with
The side of spring connection is equipped with the limit rib positioned at spring outwards.
3. the breathing agent set of positive-pressure type full facepiece mask according to claim 1, it is characterised in that: on the outside of the fixed plate
Equipped with protrusion, the jeans button both ends are used for the fixation hole being correspondingly connected with the protrusion.
4. the breathing agent set of positive-pressure type full facepiece mask according to claim 1 or 2 or 3, it is characterised in that: further comprise
The steam supply valve connecting with the air inlet, steam supply valve end are inserted into setting, side of the steam supply valve close to its end in air inlet
Outside is equipped with sealing ring, and a card slot for connecting with the circlip is additionally provided on the outside of steam supply valve, and circlip mid-section body falls into card
For fixing the steam supply valve in slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820202254.5U CN208176747U (en) | 2018-02-06 | 2018-02-06 | The breathing agent set of positive-pressure type full facepiece mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820202254.5U CN208176747U (en) | 2018-02-06 | 2018-02-06 | The breathing agent set of positive-pressure type full facepiece mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208176747U true CN208176747U (en) | 2018-12-04 |
Family
ID=64440125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820202254.5U Active CN208176747U (en) | 2018-02-06 | 2018-02-06 | The breathing agent set of positive-pressure type full facepiece mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208176747U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075442A (en) * | 2019-06-03 | 2019-08-02 | 上海宝亚安全装备股份有限公司 | A kind of mask and application method on steam supply valve socket with spin button |
| CN111523970A (en) * | 2020-04-15 | 2020-08-11 | 南京市职业病防治院 | Personalized full-face mask customizing system based on 3D printing technology and customizing method thereof |
| CN112915416A (en) * | 2021-03-23 | 2021-06-08 | 深圳市俊雅泽商贸有限公司 | Can collect breathing and produce comdenstion water and prevent respirator that drips |
-
2018
- 2018-02-06 CN CN201820202254.5U patent/CN208176747U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075442A (en) * | 2019-06-03 | 2019-08-02 | 上海宝亚安全装备股份有限公司 | A kind of mask and application method on steam supply valve socket with spin button |
| CN111523970A (en) * | 2020-04-15 | 2020-08-11 | 南京市职业病防治院 | Personalized full-face mask customizing system based on 3D printing technology and customizing method thereof |
| CN111523970B (en) * | 2020-04-15 | 2021-03-26 | 南京市职业病防治院 | Personalized full-face mask customizing system based on 3D printing technology and customizing method thereof |
| CN112915416A (en) * | 2021-03-23 | 2021-06-08 | 深圳市俊雅泽商贸有限公司 | Can collect breathing and produce comdenstion water and prevent respirator that drips |
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