CN105327466A - Gas mask - Google Patents
Gas mask Download PDFInfo
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- CN105327466A CN105327466A CN201510786498.3A CN201510786498A CN105327466A CN 105327466 A CN105327466 A CN 105327466A CN 201510786498 A CN201510786498 A CN 201510786498A CN 105327466 A CN105327466 A CN 105327466A
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- function part
- breathing mask
- spiracle
- baffle plate
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Abstract
The invention relates to a gas mask. The gas mask comprises a main body and a filtering part arranged on the main body in a rotating manner, wherein a breathing hole used for breathing is formed in the main body; the filtering part comprises a connecting part arranged on the main body in a rotating manner and a plurality of functional parts arranged on the connecting part; the plurality of functional parts are arranged at intervals; all the functional parts rotate with the connecting part until one of the functional parts covers the breathing hole and is communicated with the breathing hole; and a plurality of filtering layers are arranged in the functional parts at intervals. As the gas mask is provided with the plurality of functional parts, after one of the functional parts is loaded with filtering, another functional part can be rotated and used to carry out filtering, so that the use time of the gas mask is prolonged, and the reliability is higher. As the plurality of functional parts are arranged on the main body in a rotating manner, the gas mask is simple to operate and convenient for a user to use.
Description
Technical field
The present invention relates to mechanical field, particularly relate to a kind of breathing mask.
Background technology
Breathing mask is a kind of protection articles for use, for being worn on the head respiratory apparatus, eyes and the face of protecting people, prevents the personal protection equipment of the noxious material injuries such as poison gas, dust, bacterium, toxic and harmful or steam.Breathing mask is widely used in the fields such as oil, chemical industry, mine, metallurgy, military affairs, fire-fighting, rescue and relief work, health and epidemic prevention and scientific and technological environmental protection, machine-building, and also can play important personal breathing system protection effect in the city that haze, photochemical fog are more serious.
But current breathing mask is shorter for service time, reliability is poor.
Summary of the invention
Based on this, be necessary to provide a kind of service time longer, reliability is better, breathing mask simple to operate.
A kind of breathing mask, comprising: body and the filter house of rotary setting on described body,
Described body offers the spiracle for breathing;
Described filter house comprises the connecting portion of rotary setting on described body, and the multiple function parts be arranged on described connecting portion, multiple described function part interval is arranged, each described function part is used for rotating with described connecting portion, make wherein function part described in cover described spiracle and be connected with described spiracle, and be arranged at intervals with some filter courses in described function part.
Wherein in an embodiment, the periphery of described spiracle is provided with baffle plate, and described baffle plate abuts against with the described function part covering described spiracle, and surrounds respiration channel with described function part, described spiracle.
Wherein in an embodiment, the region that described baffle plate abuts with described function part is provided with sealing strip.
Wherein in an embodiment, described function part offers connection bit, and described connection bit is connected with described baffle plate.
Wherein in an embodiment, described connection bit is groove.
Wherein in an embodiment, be provided with elastic portion in described groove, its adjacent described function part and described baffle plate, fit tightly to make described function part and described baffle plate.
Wherein in an embodiment, described elastic portion is flat rubber portion.
Wherein in an embodiment, the thickness of each described filter course is different.
Wherein in an embodiment, the periphery of multiple described filter course all abuts against with described function part.
Wherein in an embodiment, described filter course is removable installed in described function part.
Above-mentioned breathing mask, owing to having multiple function part, after one of them load filters, another function part of rotatable use filters, and extends the service time of breathing mask, makes its reliability stronger.Because multiple function part rotary setting is on body, simple to operate, user-friendly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the breathing mask of a preferred embodiment of the present invention;
Fig. 2 is the partial sectional view of breathing mask shown in Fig. 1;
Fig. 3 is the structural representation of the breathing mask of another embodiment of the present invention;
Fig. 4 is the partial schematic diagram of breathing mask shown in Fig. 3;
Fig. 5 is the structural representation of the breathing mask of another embodiment of the present invention;
Fig. 6 is the structural representation of the Lighting Division of breathing mask shown in Fig. 5;
Fig. 7 is the structural representation of the breathing mask of another embodiment of the present invention;
Fig. 8 is the structural representation of the breathing mask of another embodiment of the present invention;
Fig. 9 is the partial sectional view of the breathing mask of another embodiment of the present invention.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being arranged at " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figures 1 and 2, it is respectively the structural representation of the breathing mask 10 of a preferred embodiment of the present invention, and partial sectional view.
Breathing mask 10 comprises: body 100 and the rotary setting filter house 200 on body 100.Wherein, body 100 offers the spiracle 110 for breathing.Filter house 200 comprises the connecting portion 210 of rotary setting on body 100, and is arranged at the multiple function parts 220 on connecting portion 210.Concrete, multiple function part 220 interval is arranged, and function part 220, for rotating with connecting portion 210, to make a wherein function part 220 cover spiracle 110, and is connected with spiracle 110, and is arranged at intervals with some filter courses in function part 220.
In the present embodiment, multiple function part 220 distributes radially along a bit.In other embodiments, multiple function part 220 also can splice each other, to surround a ring-type.
When using above-mentioned breathing mask 10, first multiple function part 220 is arranged on connecting portion 210; Afterwards connecting portion 210 is arranged on body 100; User brings body 100 afterwards, and makes spiracle 110 aim at nose.When breathing mask 10 opened by needs, rotary connector 210, to make a wherein body 100 cover spiracle 110, contaminated air filters via the filter course of function part 220, enters in body 100, for user afterwards by spiracle 110.After function part 220 service time is longer, rotary connector 210, makes another function part 220 cover spiracle 110, and is filtered the air polluted by this function part 220.
Above-mentioned breathing mask 10, owing to having multiple function part 220, after one of them load filters, another function part 220 of rotatable use filters, and extends the service time of breathing mask 10, makes its reliability stronger.Because multiple function part 220 rotary setting is on body 100, simple to operate, user-friendly.
In the present embodiment, the periphery of spiracle 110 is provided with baffle plate 120, and baffle plate 120 and function part 220 abut against, and with cover the function part 220 of spiracle, spiracle 110 surrounds respiration channel.Also can be understood as, baffle plate 120 extends along the inwall of spiracle 110, and is tightly connected with function part 220, is entered in spiracle 110 by function part 220, baffle plate 120 to make the air of pollution.
In order to strengthen the reliability of breathing mask 10, the region that baffle plate 120 abuts with function part 220 is provided with sealing strip, i.e. sealing strip closed guard 120 and function part 220, to avoid the air polluted not via function part 220, directly enter in body 100, further enhancing the reliability of breathing mask 10.
In the present embodiment, function part 220 offers connection bit 221, and connection bit 221 is connected with baffle plate 120.Such as, connection bit 221 is groove, and now, the lateral wall of baffle plate 120 and the inwall of groove abut against.For another example, in groove, be provided with elastic portion 230, its adjacent function part and baffle plate, fit tightly to make function part 220 and baffle plate 120.Concrete, elastic portion 230 is arranged on the inwall of groove, and when baffle plate 120 is plugged into after in groove, elastic portion 230 is full of the gap between baffle plate 120 lateral wall and groove inner wall, and then makes baffle plate 120 and function part 220 compact siro spinning technology.In the present embodiment, the elastic portion that elastic portion 230 is made for rubber.Be and for example flat rubber portion, or each filter course thickness is different.
It is pointed out that in the present embodiment, the function of each filter course is different.Such as, the first filter course is for adsorbing larger particles, and the second filter course adsorbs comparatively granule further, and the 3rd filter course is for removing pernicious gas.Concrete, the periphery of multiple filter course all abuts against with function part 220, and namely multiple filter course is identical with the cross-sectional dimensions of function part 220.For another example, filter course is removable installed in function part 220, to be convenient for changing and to keep in repair.
As shown in Figures 3 and 4, it is respectively the structural representation of the breathing mask 20 of another embodiment of the present invention, and partial schematic diagram.
Breathing mask 20 comprises: body 100, the rotary setting filter house 200 on body 100, and is arranged at the oxygen portion 300 on body 100.Wherein, body 100 offers the spiracle 110 for breathing; Filter house 200 comprises the connecting portion 210 of rotary setting on body 100, and the multiple function parts 220 be arranged on connecting portion 210, multiple function part 220 interval is arranged, function part 220 is for rotating with connecting portion 210, spiracle 110 is covered to make a wherein function part 220, and be connected with spiracle 110, and be arranged at intervals with some filter courses in function part 220; Oxygen portion 300 has oxygen hose 310, and oxygen hose 310 is connected with body 100.
In the present embodiment, breathing mask 20 also has some lids be interlocked with function part 220.Such as, multiple lid fastens untapped function part 220 respectively, to avoid it contaminated.
When using above-mentioned breathing mask 20, first multiple function part 220 is arranged on connecting portion 210; Afterwards connecting portion 210 is arranged on body 100; User brings body 100 afterwards, and makes spiracle 110 aim at nose.When breathing mask 20 opened by needs, rotary connector 210, to make a wherein body 100 cover spiracle 110, contaminated air filters via the filter course of function part 220, enters in body 100, for user afterwards by spiracle 110.After function part 220 service time is longer, rotary connector 210, makes another function part 220 cover spiracle 110, and is filtered the air polluted by this function part 220.When user needs oxygen uptake, open oxygen portion 300, make oxygen enter in body 100, for user by oxygen hose 310.
Above-mentioned breathing mask 20, owing to having multiple function part 220, after one of them load filters, another function part 220 of rotatable use filters, and extends the service time of breathing mask 20, makes its reliability stronger.Because multiple function part 220 rotary setting is on body 100, simple to operate, user-friendly.In addition, owing to having oxygen portion 300, make the reliability of breathing mask 20 stronger, the scope of application is wider.
In the present embodiment, oxygen hose 310 is detachably connected with spiracle 110.Such as, oxygen hose 310 and spiracle 110 grafting.For another example, oxygen hose 310 and spiracle 110 are spirally connected.And for example, oxygen hose 310 and spiracle 110 clamping.Further, oxygen hose 310 has one-way cock, flows in body 100 with the oxygen controlled in oxygen portion 300.
It is pointed out that according to actual conditions, body 100 is provided with accommodating groove, and the oxygen hose 310 be connected with spiracle 110 is placed in accepting groove, and namely part is placed in accepting groove.Concrete, oxygen hose 310 is placed in accepting groove, and is connected with oxygen portion 300.Such as, storage slotted disk is located on body 100, and oxygen hose 310 is placed in accommodating groove, and such as, accommodating groove forms whirlpool wire shaped, is namely similar to the helical shaped of mosquito-repellent incense.When needs use oxygen hose 310, take out oxygen hose 310, and oxygen hose 310 is connected on body 100.
In the present embodiment, oxygen hose 310 comprises main pipe 311, the adapter 312 be arranged on main pipe 311, and is arranged at the multiple branched pipes 313 on adapter 312.Adapter 312 has multiple installation position, and each branched pipe 313 is corresponding with an installation position to be connected, and to make a corresponding multiple branched pipe 313 of main pipe 311, uses for different users.It is pointed out that oxygen hose 310 also comprises branch's lid, branch's lid fastens with the installation position not being connected branched pipe 313, to avoid oxygen leakage.
In the present embodiment, branched pipe 313 is two.Further, the end of adapter 312 is provided with sealing ring, to avoid oxygen leakage.Further, adapter 312 arranges the end of sealing ring, is also provided with the fastening part of sheathed sealing ring and branched pipe 313, is connected tightr to make branched pipe 313 with adapter 312.
See also Fig. 5 and Fig. 6, it is the structural representation of the breathing mask 30 of another embodiment of the present invention, and the structural representation of Lighting Division 400.
Breathing mask 30 comprises: body 100, turn filter house 200 be arranged on body 100, and is arranged at the Lighting Division 400 on body 100.Wherein, body 100 offers the spiracle 110 for breathing; Filter house 200 comprises the connecting portion 210 of rotary setting on body 100, and the multiple function parts 220 be arranged on connecting portion 210, multiple function part 220 interval is arranged, function part 220 is for rotating with connecting portion 210, spiracle 110 is covered to make a wherein function part 220, and be connected with spiracle 110, and be arranged at intervals with some filter courses in function part 220; Lighting Division 400 is positioned at the top of body 100, for illumination.
When using above-mentioned breathing mask 30, first multiple function part 220 is arranged on connecting portion 210; Afterwards connecting portion 210 is arranged on body 100; User brings body 100 afterwards, and makes spiracle 110 aim at nose.When breathing mask 30 opened by needs, rotary connector 210, to make a wherein body 100 cover spiracle 110, contaminated air filters via the filter course of function part 220, enters in body 100, for user afterwards by spiracle 110.After function part 220 service time is longer, rotary connector 210, makes another function part 220 cover spiracle 110, and is filtered the air polluted by this function part 220.In addition, when needs Lighting Division 400 works, Lighting Division 400 is opened.
Above-mentioned breathing mask 30, owing to having multiple function part 220, after one of them load filters, another function part 220 of rotatable use filters, and extends the service time of breathing mask 30, makes its reliability stronger.Because multiple function part 220 rotary setting is on body 100, simple to operate, user-friendly.In addition, Lighting Division 400 can not only provide light for user, can also be used for emergency, add the versatility of breathing mask 30.
In the present embodiment, Lighting Division 400 rotary setting in the top of body 100, to regulate the illumination direction of Lighting Division 400.In other embodiments, Lighting Division 400 slides and is arranged on body 100.Such as, institute's body 100 is provided with chute, and Lighting Division 400 part is placed in chute, and along chute slidably.
According to actual conditions, Lighting Division 400 comprises multiple illuminating lamp 410, multiple illuminating lamp 410 towards different, to illuminate different directions.It is pointed out that illuminating lamp 410 also can be connected to each other.Such as, one end of multiple illuminating lamp 410 is connected to each other, and distributes along the periphery on the top of body 100.Also can be understood as, multiple illuminating lamp 410 distributes radially.For another example, illuminating lamp 410 is four, and the direction of illumination of adjacent two illuminating lamps 410 is vertical, and namely illuminating lamp 410 is in the capable distribution of cross.
In the present embodiment, each illuminating lamp 410 all has a switch, for controlling each illuminating lamp 410 respectively.Wherein, the illuminating color of multiple illuminating lamp 410 is different.According to actual conditions, multiple illuminating lamp 410 also can color identical.Or each described illuminating lamp connects a switch jointly.
In order to further facilitate use, multiple illuminating lamp 410 is removable installed on body 100, and such as multiple illuminating lamp 410 is spirally connected with body 100.
See also Fig. 7, it is the structural representation of the breathing mask 40 of another embodiment of the present invention.
Breathing mask 40 comprises: body 100 and the multiple filter houses 200 be arranged on body 100.Wherein, body 100 offers the spiracle 110 for breathing.Multiple filter house 200 is removable installed on body 100, and wherein a filter house 200 is rotatably connected with body 100.Concrete, filter house 200 comprises the connecting portion 210 be arranged on body 100, and is arranged at the multiple function parts 220 on connecting portion 210.Wherein, multiple function part 220 interval is arranged, the connecting portion 210 of the filter house 200 of rotary setting on body 100 is rotatably connected with body 100, its function part 220 is for rotating with connecting portion 210, spiracle 110 is covered to make a wherein function part 220, and be connected with spiracle 110, and be arranged at intervals with some filter courses in function part 220.
When using above-mentioned breathing mask 40, first multiple function part 220 is arranged on corresponding connecting portion 210; Be arranged on body 100 by one of them connecting portion 210 afterwards, all the other connecting portions 210 are arranged at other positions of body 100; User brings body 100 afterwards, and makes spiracle 110 aim at nose.When breathing mask 40 opened by needs, rotary connector 210, to make a wherein body 100 cover spiracle 110, contaminated air filters via the filter course of function part 220, enters in body 100, for user afterwards by spiracle 110.After function part 220 service time is longer, rotary connector 210, makes another function part 220 cover spiracle 110, and is filtered the air polluted by this function part 220.When filter house 200 changed by needs, take off filter house 200, and substitute with the filter house 200 that another is arranged on body 100.
Above-mentioned breathing mask 40, owing to having multiple function part 220, after one of them load filters, another function part 220 of rotatable use filters, and extends the service time of breathing mask 40, makes its reliability stronger.Because multiple function part 220 rotary setting is on body 100, simple to operate, user-friendly.In addition, owing to body 100 being arranged multiple filter house 200, multiple filter house 200 can be used respectively, extend the service time of breathing mask 40 further, booster reliability.
In the present embodiment, body 100 is arranged at intervals with first installation portion and multiple second installation portion, a junction 210 rotary setting is on the first installation portion, and all the other connecting portions 210 are arranged on the second installation portion.Such as, the first installation portion is rotating shaft.For another example, the second installation portion comprises spliced eye, and connecting portion 210 is plugged in grafting sky.Further, the second installation position also comprises fixed part, and fixed part is arranged on body 100, and removably connects with connecting portion 210, to strengthen connective stability.Such as, fixed part has coupler construction, fixed part and connecting portion 210 clamping.
It is pointed out that breathing mask 40 also comprises transfer tube, the sheathed function part 220 in one end of transfer tube, and coupled logical, enter in transfer tube to make the gas after filtration.Concrete, transfer tube has securing member, the join domain of the sheathed transfer tube of securing member and function part 220.For another example, securing member is removable installed on transfer tube.Such as, transfer tube and function part 220 are spirally connected.
See also Fig. 8, it is the structural representation of the breathing mask 50 of another embodiment of the present invention.
Breathing mask 50 comprises: body 100 and the rotary setting filter house 200 on body 100.Wherein, body 100 has viewing area 130, and offers the spiracle 110 for breathing.Filter house 200 comprises the connecting portion 210 of rotary setting on body 100, and is arranged at the multiple function parts 220 on connecting portion 210.Wherein, multiple function part 220 interval is arranged, and function part 220, for rotating with connecting portion 210, to make a wherein function part 220 cover spiracle 110, and is connected with spiracle 110, and is arranged at intervals with some filter courses in function part 220.
When using above-mentioned breathing mask 50, first multiple function part 220 is arranged on connecting portion 210; Afterwards connecting portion 210 is arranged on body 100; User brings body 100 afterwards, and makes spiracle 110 aim at nose, and eyes are aimed in viewing area 130.When breathing mask 50 opened by needs, rotary connector 210, to make a wherein body 100 cover spiracle 110, contaminated air filters via the filter course of function part 220, enters in body 100, for user afterwards by spiracle 110.After function part 220 service time is longer, rotary connector 210, makes another function part 220 cover spiracle 110, and is filtered the air polluted by this function part 220.
Above-mentioned breathing mask 50, owing to having multiple function part 220, after one of them load filters, another function part 220 of rotatable use filters, and extends the service time of breathing mask 50, makes its reliability stronger.Because multiple function part 220 rotary setting is on body 100, simple to operate, user-friendly.In addition, eyes cover by viewing area 130, and eyes can also be avoided impaired.
In the present embodiment, viewing area 130 comprises the groove be arranged on body 100, and transparent eyeglass, and eyeglass is arranged on body 100 and also closes groove.Further, eyeglass is removable installed on body 100.Such as, groove region is provided with Plug Division, and on Plug Division, parallel interval is provided with some inserting grooves, and eyeglass is plugged in wherein in an inserting groove.For another example, breathing mask 50 comprises the different eyeglass of multiple function, and one of them eyeglass is plugged in an inserting groove.
It is pointed out that the periphery of groove is provided with sealing, the join domain of both seals groove and eyeglass, for sealing visible region 130.
In addition, according to actual conditions, such as, eyeglass is provided with watertight composition.For another example, eyeglass is provided with flame-retardant layer.Or eyeglass is double-layer lens.Moreover the outer surface of body 100 has fluorescence coating, for differentiating.
See also Fig. 9, it is the partial sectional view of the breathing mask 60 of another embodiment of the present invention.
Breathing mask 60 comprises: body 100 and the rotary setting filter house 200 on body 100.Wherein, body 100 has host cavity 140, and body 100 offers the spiracle 110 for breathing; Filter house 200 comprises the connecting portion 210 of rotary setting on body 100, and the multiple function parts 220 be arranged on connecting portion 210, multiple function part 220 interval is arranged, function part 220 is for rotating with connecting portion 210, spiracle 110 is covered to make a wherein function part 220, and be connected with spiracle 110, and be arranged at intervals with some filter courses in function part 220.
When using above-mentioned breathing mask 60, first multiple function part 220 is arranged on connecting portion 210; Afterwards connecting portion 210 is arranged on body 100; User brings body 100 afterwards, and makes spiracle 110 aim at nose.When breathing mask 60 opened by needs, rotary connector 210, to make a wherein body 100 cover spiracle 110, contaminated air filters via the filter course of function part 220, enters in body 100, for user afterwards by spiracle 110.After function part 220 service time is longer, rotary connector 210, makes another function part 220 cover spiracle 110, and is filtered the air polluted by this function part 220.According to actual conditions, the liquid such as water can be injected in host cavity 140.
Above-mentioned breathing mask 60, owing to having multiple function part 220, after one of them load filters, another function part 220 of rotatable use filters, and extends the service time of breathing mask 60, makes its reliability stronger.Because multiple function part 220 rotary setting is on body 100, simple to operate, user-friendly.In addition, the sidewall due to body 100 is hollow structure, can add function thing, increases the performance of armour mask.
In the present embodiment, the sidewall of body 100 has the opening be communicated with host cavity 140 and the closure member of closing openings.Such as, breathing mask 60 also comprises water pipe, and one end of water pipe is connected with opening, and water pipe is positioned at breathing mask 60.And for example, breathing mask 60 also comprises lifesaving liquid, and lifesaving liquid is full of host cavity 140.Or lifesaving liquid is water, glucose solution etc., one end and the described opening of described water pipe removably connect.One end of described water pipe and described opening grafting.
In the present embodiment, the shape of host cavity 140 is identical with body 100, and namely host cavity 140 extends along the sidewall of body 100.In other embodiments, host cavity 140 may also be only column structure.It is pointed out that the sidewall that body 100 surrounds host cavity 140 is hollow structure, there is cavity 150.Such as, thermal insulation layer is provided with in cavity 150.And for example, anticorrosive coat is provided with in cavity 150.Or the surface of body 100 is provided with acid-resistant layer.Like this, the reliability of sidewall can be promoted, avoid damage to cause lifesaving liquid to flow out.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a breathing mask, is characterized in that, comprising: body and the filter house of rotary setting on described body,
Described body offers the spiracle for breathing;
Described filter house comprises the connecting portion of rotary setting on described body, and the multiple function parts be arranged on described connecting portion, multiple described function part interval is arranged, each described function part is used for rotating with described connecting portion, make wherein function part described in cover described spiracle and be connected with described spiracle, and be arranged at intervals with some filter courses in described function part.
2. breathing mask according to claim 1, is characterized in that, the periphery of described spiracle is provided with baffle plate, and described baffle plate abuts against with the described function part covering described spiracle, and surrounds respiration channel with described function part, described spiracle.
3. breathing mask according to claim 2, is characterized in that, the region that described baffle plate abuts with described function part is provided with sealing strip.
4. breathing mask according to claim 2, is characterized in that, described function part offers connection bit, and described connection bit is connected with described baffle plate.
5. breathing mask according to claim 4, is characterized in that, described connection bit is groove.
6. breathing mask according to claim 5, is characterized in that, is provided with elastic portion in described groove, and its adjacent described function part and described baffle plate, fit tightly to make described function part and described baffle plate.
7. breathing mask according to claim 5, is characterized in that, described elastic portion is flat rubber portion.
8. breathing mask according to claim 1, is characterized in that, the thickness of each described filter course is different.
9. breathing mask according to claim 1, is characterized in that, the periphery of multiple described filter course all abuts against with described function part.
10. breathing mask according to claim 1, is characterized in that, described filter course is removable installed in described function part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510786498.3A CN105327466A (en) | 2015-11-13 | 2015-11-13 | Gas mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510786498.3A CN105327466A (en) | 2015-11-13 | 2015-11-13 | Gas mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105327466A true CN105327466A (en) | 2016-02-17 |
Family
ID=55278359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510786498.3A Pending CN105327466A (en) | 2015-11-13 | 2015-11-13 | Gas mask |
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| Country | Link |
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| CN (1) | CN105327466A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201139882Y (en) * | 2007-10-01 | 2008-10-29 | 梁卓凡 | Air filtering respirator |
| US20090065006A1 (en) * | 2007-09-07 | 2009-03-12 | Keith Patterson | Filtering respirator with rotatable filter |
| CN201361380Y (en) * | 2009-03-18 | 2009-12-16 | 刘�英 | Protective mask |
| CN104415479A (en) * | 2013-08-23 | 2015-03-18 | 哈尔滨安赛福经贸有限公司 | Novel filter type gas mask |
| CN205163952U (en) * | 2015-11-13 | 2016-04-20 | 惠州市环发环保科技有限公司 | Gas mask |
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2015
- 2015-11-13 CN CN201510786498.3A patent/CN105327466A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090065006A1 (en) * | 2007-09-07 | 2009-03-12 | Keith Patterson | Filtering respirator with rotatable filter |
| CN201139882Y (en) * | 2007-10-01 | 2008-10-29 | 梁卓凡 | Air filtering respirator |
| CN201361380Y (en) * | 2009-03-18 | 2009-12-16 | 刘�英 | Protective mask |
| CN104415479A (en) * | 2013-08-23 | 2015-03-18 | 哈尔滨安赛福经贸有限公司 | Novel filter type gas mask |
| CN205163952U (en) * | 2015-11-13 | 2016-04-20 | 惠州市环发环保科技有限公司 | Gas mask |
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Application publication date: 20160217 |