CN208274138U - A kind of respiratory system occupational disease protective mask - Google Patents
A kind of respiratory system occupational disease protective mask Download PDFInfo
- Publication number
- CN208274138U CN208274138U CN201820811064.3U CN201820811064U CN208274138U CN 208274138 U CN208274138 U CN 208274138U CN 201820811064 U CN201820811064 U CN 201820811064U CN 208274138 U CN208274138 U CN 208274138U
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- China
- Prior art keywords
- cover
- elastic band
- mask body
- upper cover
- exhaust
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Abstract
The utility model discloses a kind of respiratory system occupational disease protective masks, including mask body, first elastic band, second elastic band and the first inlet cylinder, the mask body rear end surface is provided with gasket, the mask body left and right ends and mask body upper end are respectively arranged with fixed pin holes admittedly, the mask body upper right side is provided with exhaust upper cover, the first air inlet tube rear end and mask body front end are connected with each other, the filtering upper cover lower end is equipped with filtering lower cover, second inlet cylinder outer surface is equipped with coarse filtration the cover, the exhaust lower cover upper base surface is respectively arranged with the first filter screen from outside to inside, active carbon cover and the second filter screen.The respiratory system occupational disease protective mask prevents external exhaust gas from entering inside the protective mask, improves the safety of the protective mask, and the exhaust gas of the generation in factory is filtered for multiple times, and improves the cleannes that worker breathes air.
Description
Technical field
The utility model relates to respiratory system protection technical field, specially a kind of respiratory system occupational disease protective mask.
Background technique
With the fast development of social industry, each factory needs more and more workers with long time in the work for being full of exhaust gas
Operation in environment results in while industrial development, and the respiratory system illness rate of workpeople also rises with it, as professional
Disease, wherein most direct reason is exactly that large quantity of exhaust gas can be generated in factory, including dust, smog and toxic and harmful gas, worker
It is long-term breathe such exhaust gas the respiratory system of workpeople can be made to bring great harm, so protective mask is ensureing worker
The attention of people, still, the protection that major part factory uses to workpeople at present are increasingly obtained in terms of respiratory health
Mask is not thorough exhaust gas filtering, still contains a large amount of pernicious gas, and most of protective mask is unable to Reusability, makes
At waste.
Utility model content
The purpose of this utility model is to provide a kind of respiratory system occupational disease protective masks, to solve above-mentioned background technique
The protective mask that most of factory of middle proposition uses to workpeople is not thorough exhaust gas filtering, still containing a large amount of harmful
Gas, and most of protective mask is unable to Reusability, wasting problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of respiratory system occupational disease protective mask,
Including mask body, the first elastic band, the second elastic band and the first inlet cylinder, the mask body rear end surface is provided with sealing
Pad, the mask body left and right ends and mask body upper end are respectively arranged with fixed pin holes, and installation inside fixed pin holes admittedly
Have a fixed pin, and fixed pin is internally connected with snap ring, first elastic band and the second elastic band rear end all with elastic block phase
It connects, and the first elastic band and the second elastic band front end are all connected with each other with snap ring, the mask body upper right side is provided with
Be vented upper cover, and be vented upper cover lower end and offer gas vent, the exhaust upper cover lower end is equipped with exhaust lower cover, described first into
Inflator rear end and mask body front end are connected with each other, and the first inlet cylinder lower end is equipped with filtering upper cover, under the filtering upper cover
End is equipped with filtering lower cover, and filters lower cover left and right ends and be provided with the second inlet cylinder, the installation of second inlet cylinder outer surface
There is coarse filtration the cover, the exhaust upper cover lower end is equipped with airscoop shroud, and airscoop shroud surface offers air inlet, under the exhaust
Lid upper base surface is respectively arranged with the first filter screen, active carbon cover and the second filter screen from outside to inside.
Preferably, the fixed pin is " T " shape structure, and fixed pin and fixed pin holes constitute rotational structure.
Preferably, first elastic band and the second elastic band are made up of snap ring and mask body dismantles mounting structure.
Preferably, the exhaust upper cover is integrated with mask body, and is vented upper cover and passes through gas vent and exhaust
Lower cover constitutes slide construction.
Preferably, the filtering upper cover upper end outer surface is connect with the first inlet cylinder lower thread, and filters upper cover upper end
Inner surface is connect with airscoop shroud threaded upper ends.
Preferably, the filtering lower cover is integrated with the first filter screen, active carbon cover and the second filter screen, and mistake
Filter lower cover upper end is connect with filtering upper cover lower thread.
Compared with prior art, the utility model has the beneficial effects that the respiratory system occupational disease protective mask,
1. the first elastic band and the second elastic band by snap ring from mask body be on disassemble, convenient for users to right
First elastic band and the second elastic band are cleaned, and the Reusability number of the protective mask, and the first elastic band and are improved
Two elastic bands improve the comfort level that user wears the protective mask by elastic block adjustment length；
2. worker, which exhales, causes the protective mask internal pressure to increase when worker uses the protective mask, it is vented lower cover
Upward sliding opens gas vent, and internal gas is discharged from gas vent, when worker's air-breathing, the protective mask internal pressure
Reduce, be vented lower cover slide downward, by vent closure, prevents external exhaust gas from entering inside the protective mask, it is anti-to improve this
The safety of retaining cover；
3. filtering the coarse filtration the cover, the first filter screen, active carbon cover and the second filter screen that are arranged inside lower cover to factory
In the exhaust gas of generation be filtered for multiple times, dust is thoroughly filtered, and active carbon cover by the harmful chemicals in exhaust gas at
Divide absorption to fall, improves the cleannes that worker breathes air.
Detailed description of the invention
Fig. 1 is the utility model front outer portion structural schematic diagram；
Fig. 2 is that the utility model is vented lower cover front schematic diagram of internal structure；
Fig. 3 is that the utility model is vented upper cover front schematic diagram of internal structure；
Fig. 4 is enlarged structure schematic diagram at A in the utility model Fig. 1.
In figure: 1, mask body；2, gasket；3, fixed pin holes；4, fixed pin；5, snap ring；6, the first elastic band；7,
Two elastic bands；8, elastic block；9, it is vented upper cover；10, gas vent；11, it is vented lower cover；12, the first inlet cylinder；13, upper cover is filtered；
14, lower cover is filtered；15, the second inlet cylinder；16, coarse filtration the cover；17, airscoop shroud；18, the first filter screen；19, active carbon cover；
20, the second filter screen；21, air inlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of respiratory system occupational disease protective mask, packet
Include mask body 1, gasket 2, fixed pin holes 3, fixed pin 4, snap ring 5, the first elastic band 6, the second elastic band 7, elastic block 8,
It is vented upper cover 9, gas vent 10, exhaust lower cover 11, the first inlet cylinder 12, filtering upper cover 13, filtering lower cover 14, the second inlet cylinder
15, coarse filtration the cover 16, airscoop shroud 17, the first filter screen 18, active carbon cover 19, the second filter screen 20 and air inlet 21, mask
1 rear end surface of ontology is provided with gasket 2, and 1 left and right ends of mask body and 1 upper end of mask body are respectively arranged with fixed pin admittedly
Hole 3, and fixed pin 4 is installed, and fixed pin 4 is internally connected with snap ring 5 inside fixed pin holes 3, fixed pin 4 is "T"-shaped knot
Structure, and fixed pin 4 and fixed pin holes 3 constitute rotational structure, convenient for the first elastic band 6 and the second elastic band 7 and 1 phase of mask body
Connect, at the same make the first elastic band 6 and the second elastic band 7 around fixed pin 4 rotate, the person of being convenient to use to the protective mask into
Row is worn, and the first elastic band 6 and 7 rear end of the second elastic band are all connected with each other with elastic block 8, and the first elastic band 6 and the second pine
7 front end of taut band is all connected with each other with snap ring 5, and the first elastic band 6 and the second elastic band 7 are torn open by snap ring 5 and the composition of mask body 1
Mounting structure is unloaded, convenient for users to carrying out disassembly, cleaning to the first elastic band 6 and the second elastic band 7, brings pole to user
Big convenience, 1 upper right side of mask body are provided with exhaust upper cover 9, and are vented 9 lower end of upper cover and offer gas vent 10, in exhaust
Lid 9 is integrated with mask body 1, and is vented upper cover 9 and constitutes slide construction by gas vent 10 and exhaust lower cover 11,
When user uses the protective mask, the gas that exhaust upper cover 9 breathes out user is discharged inside the protective mask, works as simultaneously
When user's air-breathing, exhaust upper cover 9 is closed, and is prevented the entrance of outside contamination air, is improved the safety of the protective mask, is arranged
9 lower end of gas upper cover is equipped with exhaust lower cover 11, and 12 rear end of the first inlet cylinder and 1 front end of mask body are connected with each other, and first into
12 lower end of inflator is equipped with filtering upper cover 13, and filtering 13 upper end outer surface of upper cover is connect with 12 lower thread of the first inlet cylinder, and
Filtering 13 upper end inner surface of upper cover is connect with 17 threaded upper ends of airscoop shroud, will filter upper cover 13 convenient for user and airscoop shroud 17 is torn open
It unloads down and is cleaned, and then maintain the protective performance of the protective mask, filtering 13 lower end of upper cover is equipped with filtering lower cover 14,
And filtering 14 left and right ends of lower cover are provided with the second inlet cylinder 15, filter lower cover 14 and the first filter screen 18, active carbon cover 19 and
Second filter screen 20 is integrated, and filters 14 upper end of lower cover and connect with filtering 13 lower thread of upper cover, is convenient for user
Filtering lower cover 14 is disassembled, while convenient for the first filter screen 18, the active carbon cover 19 and second inside filtering lower cover 14
Filter screen 20 is cleared up, and the filtering adsorption efficiency of the protective mask is kept, and the protective mask is made to have the function of repeatedly utilizing,
Second inlet cylinder, 15 outer surface is equipped with coarse filtration the cover 16, and exhaust 9 lower end of upper cover is equipped with airscoop shroud 17, and 17 table of airscoop shroud
Face offers air inlet 21, and exhaust 11 upper base surface of lower cover is respectively arranged with the first filter screen 18, active carbon cover from outside to inside
19 and second filter screen 20.
Working principle: when using the respiratory system occupational disease protective mask, firstly, adjusting the first pine by elastic block 8
The length and elasticity of taut band 6 and the second elastic band 7, then by 1 band of mask body at worker's mouth and nose, and gasket 2 and worker
Skin contact seals the protective mask, and the first elastic band 6 and the second elastic band 7 pass through fixed pin holes 3 and fixed pin 4
Rotary action facilitates worker to wear the protective mask, when worker is exhaled using the protective mask, the gas of exhalation
Body increases 1 internal pressure of mask body, and exhaust lower cover 11 is pushed up, and makes the gas vent 10 for being vented the setting of 9 lower end of upper cover
It opens, and then exhaled gas is discharged inside mask body 1, when worker carries out air-breathing using the protective mask, exhaust gas warp
After crossing the filtering of coarse filtration the cover 16, enter filtering lower cover 14 from the second inlet cylinder 15, and exhaust gas passes through respectively in filtering lower cover 14
First filter screen 18, active carbon cover 19 and second filter screen 20 in portion, then from air inlet 21 enter filtering upper cover 13 inside into
Gas hood 17, then filtered air enters the first inlet cylinder 12 from airscoop shroud 17 again, last filtered air from first into
Inflator 12 enters mask body 1 and breathes for worker, and when not using the protective mask, worker passes through snap ring 5 for the first elastic band 6
It removes and is cleaned with the second elastic band 7, and filtering upper cover 13, filtering lower cover 14 and airscoop shroud 17 are removed into progress clearly respectively again
Reason, improves the Reusability number of the protective mask, increases whole practicability.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of respiratory system occupational disease protective mask, including mask body (1), the first elastic band (6), the second elastic band (7)
With the first inlet cylinder (12), it is characterised in that: mask body (1) rear end surface is provided with gasket (2), the mask sheet
Body (1) left and right ends and mask body (1) upper end are respectively arranged with fixed pin holes (3) admittedly, and are equipped with inside fixed pin holes (3)
Fixed pin (4), and fixed pin (4) is internally connected with snap ring (5), first elastic band (6) and the second elastic band (7) rear end
It is all connected with each other with elastic block (8), and the first elastic band (6) and the second elastic band (7) front end are all connected with each other with snap ring (5),
Mask body (1) upper right side is provided with exhaust upper cover (9), and is vented upper cover (9) lower end and offers gas vent (10), described
Exhaust upper cover (9) lower end is equipped with exhaust lower cover (11), and the first inlet cylinder (12) rear end and mask body (1) front end are mutual
Connection, and the first inlet cylinder (12) lower end is equipped with filtering upper cover (13), filtering upper cover (13) lower end is equipped under filtering
It covers (14), and filters lower cover (14) left and right ends and be provided with the second inlet cylinder (15), the second inlet cylinder (15) outer surface peace
Equipped with coarse filtration the cover (16), exhaust upper cover (9) lower end is equipped with airscoop shroud (17), and airscoop shroud (17) surface offers
Air inlet (21), exhaust lower cover (11) upper base surface are respectively arranged with the first filter screen (18), active carbon from outside to inside
Cover (19) and the second filter screen (20).
2. a kind of respiratory system occupational disease protective mask according to claim 1, it is characterised in that: the fixed pin (4)
For " T " shape structure, and fixed pin (4) and fixed pin holes (3) constitute rotational structure.
3. a kind of respiratory system occupational disease protective mask according to claim 1, it is characterised in that: first elastic band
(6) it is made up of snap ring (5) and mask body (1) with the second elastic band (7) and dismantles mounting structure.
4. a kind of respiratory system occupational disease protective mask according to claim 1, it is characterised in that: the exhaust upper cover
(9) it is integrated with mask body (1), and is vented upper cover (9) and is slided by gas vent (10) and exhaust lower cover (11) composition
Dynamic structure.
5. a kind of respiratory system occupational disease protective mask according to claim 1, it is characterised in that: the filtering upper cover
(13) upper end outer surface is connect with the first inlet cylinder (12) lower thread, and filters upper cover (13) upper end inner surface and airscoop shroud
(17) threaded upper ends connect.
6. a kind of respiratory system occupational disease protective mask according to claim 1, it is characterised in that: the filtering lower cover
(14) it is integrated with the first filter screen (18), active carbon cover (19) and the second filter screen (20), and filters lower cover (14)
Upper end is connect with filtering upper cover (13) lower thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820811064.3U CN208274138U (en) | 2018-05-29 | 2018-05-29 | A kind of respiratory system occupational disease protective mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820811064.3U CN208274138U (en) | 2018-05-29 | 2018-05-29 | A kind of respiratory system occupational disease protective mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208274138U true CN208274138U (en) | 2018-12-25 |
Family
ID=64705164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820811064.3U Expired - Fee Related CN208274138U (en) | 2018-05-29 | 2018-05-29 | A kind of respiratory system occupational disease protective mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208274138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557507A (en) * | 2020-05-28 | 2020-08-21 | 王涛 | Protective mask with breather valve |
-
2018
- 2018-05-29 CN CN201820811064.3U patent/CN208274138U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557507A (en) * | 2020-05-28 | 2020-08-21 | 王涛 | Protective mask with breather valve |
| CN111557507B (en) * | 2020-05-28 | 2022-01-14 | 东营红星劳保用品有限责任公司 | Protective mask with breather valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20190529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |