CN116077848B - Double-deck floating filter type respirator - Google Patents
Double-deck floating filter type respirator Download PDFInfo
- Publication number
- CN116077848B CN116077848B CN202310167529.1A CN202310167529A CN116077848B CN 116077848 B CN116077848 B CN 116077848B CN 202310167529 A CN202310167529 A CN 202310167529A CN 116077848 B CN116077848 B CN 116077848B
- Authority
- CN
- China
- Prior art keywords
- filter screen
- double
- layer
- air suction
- cover plate
- 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.)
- Active
Links
Classifications
-
- 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
- A62B18/02—Masks
-
- 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
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
Abstract
The invention discloses a double-layer floating filtering type breathing mask, which comprises a protective mask, an inhalation pipeline, an exhalation one-way valve, a double-layer filtering mechanism and a lifting mechanism, wherein the protective mask is arranged on the breathing mask; when the filter is used, firstly, the outer filter screen is used for filtering the sucked gas, meanwhile, the inner filter screen is arranged in the outer filter screen, so that the inner filter screen is protected, and after the outer filter screen is blocked for a period of time in use, the outer filter screen can be driven to move downwards through the lifting mechanism, so that the inner filter screen is exposed and is used for filtering, and the filtering time is doubled, so that the filter is convenient and flexible to use.
Description
Technical Field
The invention relates to a double-layer floating filtering type breathing mask.
Background
The breathing mask is a breathing device for removing harmful gases such as carbon monoxide, smoke and the like through the blocking and filtering effect of the filtering device, is widely applied to departments such as fire protection, chemical industry, ships, petroleum, smelting, warehouses, laboratories, mines and the like, and is used for firefighters or rescue workers to safely and effectively extinguish fire, rescue and relief work under a dense smoke environment; the existing breathing mask generally comprises a protective mask and a filtering device; when a fire disaster occurs, a large amount of dense smoke is easily generated in the building, and once the dense smoke particles are operated for a period of time in the environment, the filter screen of the filter device is blocked, so that the user breathes smoothly, the filtering time is required to be prolonged, and in addition, the use comfort of the operator is poor due to the fact that the temperature of the inhaled air flow is higher in the high-temperature environment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the double-layer floating filtering type breathing mask can effectively prolong the filtering time and realize the cooling of inhaled gas.
In order to solve the problems, the invention adopts the following technical scheme:
a double-layer floating filtering type breathing mask comprises a protective mask, an inhalation pipeline, an exhalation one-way valve, a double-layer filtering mechanism and a lifting mechanism; the front side of the protective mask is provided with an expiration one-way valve; the lower side of the protective mask is provided with an air suction pipeline; a double-layer filtering mechanism is arranged on the lower side of the air suction pipeline; the double-layer filtering mechanism comprises an upper positioning cover plate, an inner-layer filter screen, a lower supporting plate and an outer-layer filter screen; the lower end of the air suction pipeline is provided with an upper positioning cover plate, and the lower end of the air suction pipeline extends to the lower side of the upper positioning cover plate; an inner filter screen is arranged at the lower side of the periphery of the upper positioning cover plate; the lower side of the inner layer filter screen is connected with a lower support plate; the upper positioning cover plate, the inner filter screen and the lower support plate enclose an air suction cavity; an outer filter screen is arranged on the outer side of the periphery of the inner filter screen; the lower side of the outer layer filter screen is connected with a lifting mechanism; the lifting mechanism drives the outer layer filter screen to move up and down.
Further, an upper annular sealing ring is arranged on the inner side around the upper end of the outer-layer filter screen; the inner side around the lower end of the outer layer filter screen is provided with a lower annular sealing ring; the upper annular sealing ring is in sealing butt joint with the outer side of the periphery of the upper positioning cover plate; the lower annular sealing ring is in sealing butt joint with the outer side around the lower supporting plate.
Further, the lifting mechanism comprises a lower ring body, a connecting support rod, an adjusting threaded column, a lifting block and a sleeved elastomer; a lower device ring body is arranged around the lower end of the lower supporting plate; lifting clamping grooves are respectively formed in two sides of the lower ring body; the lifting clamping grooves are respectively connected with a lifting block in a sliding way up and down; the outer sides of the lifting blocks are respectively connected with the side parts of the lower end of the outer layer filter screen through connecting struts; the lifting clamping grooves are respectively rotationally clamped with an adjusting threaded column; the adjusting threaded column is screwed on the lifting block; the adjusting threaded column is sleeved with a sleeved elastomer, and the upper end and the lower end of the sleeved elastomer are respectively elastically abutted between the lower side of the lifting block and the lower side wall of the lifting clamping groove.
Further, a cooling structure is also included; the cooling structure comprises a closed loop, a ventilation side pipe and an opening and closing cover; a sealing ring sleeve is arranged in the middle between the upper positioning cover plate and the lower supporting plate; the closed loop, the upper positioning cover plate and the lower supporting plate enclose a cooling cavity; the lower end of the air suction pipeline extends to the inside of the cooling cavity; the lower end of the air suction pipeline is closed, two sides of the air suction pipeline are respectively communicated with and provided with an air ventilation side pipe, the outer end of the air ventilation side pipe extends and is connected to the closed loop in a penetrating way, and the outer end of the air ventilation side pipe extends to the outside of the cooling cavity; the middle of the lower supporting plate is provided with a opening and closing port, and the opening and closing cover is screwed on the opening and closing port.
Further, an abutting annular surface is arranged around the lower end of the opening and closing port; the lower end of the opening and closing cover is provided with an abutting ring body at periphery, and the upper end of the abutting ring body is provided with a sealing ring body at periphery; the abutting ring body drives the sealing ring body to abut against the periphery of the lower side of the abutting ring surface.
Further, a plurality of support connecting rods are uniformly arranged around the upper positioning cover plate and the lower supporting plate.
Further, a one-way air suction valve is arranged on the air suction pipeline.
Further, a perspective window is arranged on the protective mask.
The beneficial effects of the invention are as follows:
1. when the filter is used, firstly, the outer filter screen is used for filtering the sucked gas, meanwhile, the inner filter screen is arranged in the outer filter screen, so that the inner filter screen is protected, and after the outer filter screen is blocked for a period of time in use, the outer filter screen can be driven to move downwards through the lifting mechanism, so that the inner filter screen is exposed and is used for filtering, and the filtering time is doubled, so that the filter is convenient and flexible to use.
2. The air sucked by the invention is conveyed into the air suction pipeline through the ventilation side pipe, and the ventilation side pipe extends to the inside of the cooling cavity, so that the cooling is performed through the cooling liquid in the cooling cavity, the temperature of the sucked air flow is reduced, and the use comfort is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a partial enlarged structure of one side of the present invention.
Fig. 3 is a schematic view of the structure of the outer filter screen of fig. 2 after being moved downward.
Fig. 4 is an enlarged schematic view of the cooling structure of the present invention.
Fig. 5 is a schematic view of the enlarged partial structure of fig. 4 according to the present invention.
Description of the embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a double-layer floating filtering type breathing mask comprises a protective mask 1, an inhalation pipeline 2, an exhalation one-way valve 3, a double-layer filtering mechanism 4 and a lifting mechanism 6; the front side of the protective mask 1 is provided with an expiration one-way valve 3; the lower side of the protective mask 1 is provided with an air suction pipeline 2; a double-layer filtering mechanism 4 is arranged on the lower side of the air suction pipeline 2; the double-layer filtering mechanism 4 comprises an upper positioning cover plate 41, an inner layer filtering screen 43, a lower supporting plate 42 and an outer layer filtering screen 44; the lower end of the air suction pipeline 2 is provided with an upper positioning cover plate 41, and the lower end of the air suction pipeline 2 extends to the lower side of the upper positioning cover plate 41; the lower side of the periphery of the upper positioning cover plate 41 is provided with an inner filter screen 43; the lower side of the inner filter screen 43 is connected with the lower support plate 42; the upper positioning cover plate 41, the inner filter screen 43 and the lower support plate 42 enclose an air suction cavity 49; an outer filter screen 44 is arranged on the outer side around the inner filter screen 43; the lower side of the outer layer filter screen 44 is connected with a lifting mechanism 6; the lifting mechanism 6 drives the outer filter screen 44 to move up and down.
As shown in fig. 1 to 5, in order to improve the sealing property of the outer filter screen 44 with the upper positioning cover plate 41 and the lower support plate 42, it is further preferable that an upper ring-shaped sealing ring 441 is provided on the inner side around the upper end of the outer filter screen 44; a lower annular sealing ring 442 is arranged on the inner side around the lower end of the outer filter screen 44; the upper annular sealing ring 441 is in sealing contact with the outer side of the periphery of the upper positioning cover plate 41; the lower ring seal 442 is in sealing contact with the outer periphery of the lower support plate 42.
As shown in fig. 1 to 5, for facilitating the longitudinal driving of the outer filter screen 44, it is further preferable that the lifting mechanism 6 includes a lower ring 61, a connecting strut 65, an adjusting screw 63, a lifting block 62, and a sleeve elastic body 64; a lower ring body 61 is installed around the lower end of the lower support plate 42; lifting clamping grooves 611 are respectively formed on two sides of the lower ring body 61; the lifting clamping grooves 611 are respectively connected with a lifting block 62 in a sliding way up and down; the outer sides of the lifting blocks 62 are respectively connected with the side parts of the lower end of the outer layer filter screen 44 through connecting support rods 65; the lifting clamping grooves 611 are respectively rotatably clamped with an adjusting threaded column 63; the adjusting threaded column 63 is screwed on the lifting block 62; the adjusting screw post 63 is sleeved with a sleeved elastic body 64, and the upper end and the lower end of the sleeved elastic body 64 are respectively elastically abutted between the lower side of the lifting block 62 and the lower side wall of the lifting clamping groove 611.
As shown in fig. 1 to 5, in order to cool down the sucked gas, it is further preferable to further include a cooling structure 5; the cooling structure 5 comprises a closed loop 51, a ventilation side pipe 52 and an opening and closing cover 53; a sealing ring sleeve 51 is arranged in the middle between the upper positioning cover plate 41 and the lower supporting plate 42; the closed loop 51, the upper positioning cover plate 41 and the lower support plate 42 enclose a cooling cavity 54; the lower end of the suction pipe 2 extends to the inside of the cooling cavity 54; the lower end of the air suction pipeline 54 is closed, two sides of the air suction pipeline 54 are respectively communicated with and provided with an air ventilation side pipe 52, the outer end of the air ventilation side pipe 52 extends and is connected to the closed loop 51 in a penetrating way, and the outer end of the air ventilation side pipe 52 extends to the outside of the cooling cavity 54; the middle of the lower support plate 42 is provided with a opening and closing port 421, and the opening and closing cover 53 is screwed on the opening and closing port. In order to seal or open the cooling cavity 54, it is further preferred that the lower end of the opening/closing port 421 is provided with an abutting annular surface 422 around; the lower end of the opening and closing cover 53 is provided with an abutting ring body 531 at the periphery, and the upper end of the abutting ring body 531 is provided with a sealing ring body 532 at the periphery; the abutting ring 531 drives the sealing ring 532 to abut against the periphery of the lower side of the abutting ring 422. Further, a plurality of support links 45 are uniformly arranged around the upper positioning cover 41 and the lower support plate 42. Further, the air suction pipe 2 is provided with a one-way air suction valve 21. Further, a perspective window 11 is provided on the protective mask 1.
When the filter is used, firstly, the outer filter screen 44 is used for filtering, so that inhaled gas is filtered through the outer filter screen 44, meanwhile, the inner filter screen 43 is arranged in the outer filter screen 44, so that the inner filter screen 43 is protected, after the outer filter screen 44 is blocked after being used for a period of time, the outer filter screen 44 can be driven to move downwards through the lifting mechanism 6, so that the inner filter screen 43 is exposed and is used for filtering, the filtering time is doubled, and the filter is convenient and flexible to use.
The sucked air is conveyed into the air suction pipeline 2 through the ventilation side pipe 52, and the ventilation side pipe 52 extends to the inside of the cooling cavity 54, so that the sucked air flow is cooled through the cooling liquid in the cooling cavity 54, and the using comfort is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The double-layer floating filtering type breathing mask is characterized by comprising a protective mask, an inhalation pipeline, an exhalation one-way valve, a double-layer filtering mechanism and a lifting mechanism; the front side of the protective mask is provided with an expiration one-way valve; the lower side of the protective mask is provided with an air suction pipeline; a double-layer filtering mechanism is arranged on the lower side of the air suction pipeline; the double-layer filtering mechanism comprises an upper positioning cover plate, an inner-layer filter screen, a lower supporting plate and an outer-layer filter screen; the lower end of the air suction pipeline is provided with an upper positioning cover plate, and the lower end of the air suction pipeline extends to the lower side of the upper positioning cover plate; an inner filter screen is arranged at the lower side of the periphery of the upper positioning cover plate; the lower side of the inner layer filter screen is connected with a lower support plate; the upper positioning cover plate, the inner filter screen and the lower support plate enclose an air suction cavity; an outer filter screen is arranged on the outer side of the periphery of the inner filter screen; the lower side of the outer layer filter screen is connected with a lifting mechanism; the lifting mechanism drives the outer layer filter screen to move up and down; the lifting mechanism comprises a lower ring body, a connecting strut, an adjusting threaded column, a lifting block and a sleeved elastomer; a lower device ring body is arranged around the lower end of the lower supporting plate; lifting clamping grooves are respectively formed in two sides of the lower ring body; the lifting clamping grooves are respectively connected with a lifting block in a sliding way up and down; the outer sides of the lifting blocks are respectively connected with the side parts of the lower end of the outer layer filter screen through connecting struts; the lifting clamping grooves are respectively rotationally clamped with an adjusting threaded column; the adjusting threaded column is screwed on the lifting block; the adjusting threaded column is sleeved with a sleeved elastomer, and the upper end and the lower end of the sleeved elastomer are respectively elastically abutted between the lower side of the lifting block and the lower side wall of the lifting clamping groove.
2. The double-layer floating filter type breathing mask according to claim 1, wherein an upper annular sealing ring is arranged on the inner side around the upper end of the outer layer filter screen; the inner side around the lower end of the outer layer filter screen is provided with a lower annular sealing ring; the upper annular sealing ring is in sealing butt joint with the outer side of the periphery of the upper positioning cover plate; the lower annular sealing ring is in sealing butt joint with the outer side around the lower supporting plate.
3. The dual layer floating filter respiratory mask of claim 1, further comprising a cooling structure; the cooling structure comprises a closed loop, a ventilation side pipe and an opening and closing cover; a sealing ring sleeve is arranged in the middle between the upper positioning cover plate and the lower supporting plate; the closed loop, the upper positioning cover plate and the lower supporting plate enclose a cooling cavity; the lower end of the air suction pipeline extends to the inside of the cooling cavity; the lower end of the air suction pipeline is closed, two sides of the air suction pipeline are respectively communicated with and provided with an air ventilation side pipe, the outer end of the air ventilation side pipe extends and is connected to the closed loop in a penetrating way, and the outer end of the air ventilation side pipe extends to the outside of the cooling cavity; the middle of the lower supporting plate is provided with a opening and closing port, and the opening and closing cover is screwed on the opening and closing port.
4. The double-layer floating filter type breathing mask according to claim 3, wherein the circumference of the lower end of the opening and closing port is provided with an abutting annular surface; the lower end of the opening and closing cover is provided with an abutting ring body at periphery, and the upper end of the abutting ring body is provided with a sealing ring body at periphery; the abutting ring body drives the sealing ring body to abut against the periphery of the lower side of the abutting ring surface.
5. The double-layer floating filter respirator of claim 1, wherein a plurality of support links are uniformly disposed around the upper positioning cover plate and the lower support plate.
6. The double-layer floating filter respirator of claim 1, wherein the inhalation conduit is provided with a one-way inhalation valve.
7. The double layer floating filter respiratory mask according to claim 1, wherein a see-through window is provided on the protective mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310167529.1A CN116077848B (en) | 2023-02-27 | 2023-02-27 | Double-deck floating filter type respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310167529.1A CN116077848B (en) | 2023-02-27 | 2023-02-27 | Double-deck floating filter type respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116077848A CN116077848A (en) | 2023-05-09 |
| CN116077848B true CN116077848B (en) | 2023-10-20 |
Family
ID=86204511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310167529.1A Active CN116077848B (en) | 2023-02-27 | 2023-02-27 | Double-deck floating filter type respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116077848B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0094757A2 (en) * | 1982-05-13 | 1983-11-23 | Racal Safety Limited | Respirator |
| CN110960939A (en) * | 2019-12-27 | 2020-04-07 | 江苏海拓科技有限公司 | Telescopic respirator |
| JP6676231B1 (en) * | 2019-04-18 | 2020-04-08 | 威海易一医療器械有限公司 | Cycling face mask to prevent smog |
| CN111085054A (en) * | 2019-12-27 | 2020-05-01 | 江苏海拓科技有限公司 | Sliding clamping respirator |
| US10980297B1 (en) * | 2020-03-26 | 2021-04-20 | Augustine Biomedical + Design, LLC | Protective face shield with respirator |
| CN113679974A (en) * | 2021-07-29 | 2021-11-23 | 江苏海拓科技有限公司 | Shaking type self-suction respirator |
| CN218245793U (en) * | 2022-09-27 | 2023-01-10 | 上海巴津医疗科技有限公司 | Fish gill type breathing double-layer mask |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2243518B1 (en) * | 2009-04-24 | 2013-01-02 | Moldex-Metric AG & Co. KG | Respiratory mask |
-
2023
- 2023-02-27 CN CN202310167529.1A patent/CN116077848B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0094757A2 (en) * | 1982-05-13 | 1983-11-23 | Racal Safety Limited | Respirator |
| JP6676231B1 (en) * | 2019-04-18 | 2020-04-08 | 威海易一医療器械有限公司 | Cycling face mask to prevent smog |
| CN110960939A (en) * | 2019-12-27 | 2020-04-07 | 江苏海拓科技有限公司 | Telescopic respirator |
| CN111085054A (en) * | 2019-12-27 | 2020-05-01 | 江苏海拓科技有限公司 | Sliding clamping respirator |
| US10980297B1 (en) * | 2020-03-26 | 2021-04-20 | Augustine Biomedical + Design, LLC | Protective face shield with respirator |
| CN113679974A (en) * | 2021-07-29 | 2021-11-23 | 江苏海拓科技有限公司 | Shaking type self-suction respirator |
| CN218245793U (en) * | 2022-09-27 | 2023-01-10 | 上海巴津医疗科技有限公司 | Fish gill type breathing double-layer mask |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116077848A (en) | 2023-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4746042B2 (en) | Apparatus and method for providing respiratory air and body protection in a contaminated environment | |
| US20060048777A1 (en) | Apparatus and method for providing breathable air and bodily protection in a contaminated environment | |
| US20040182395A1 (en) | Powered air purifying respirator system and breathing apparatus | |
| CN102671318B (en) | Chemical oxygen-making respirator for normal temperature phase change material refrigeration | |
| CN116077848B (en) | Double-deck floating filter type respirator | |
| CN207168854U (en) | A kind of saving oneself respirator | |
| CN103028212A (en) | Underground safety breathing device | |
| CN213589558U (en) | Filtering type fire-fighting self-rescue respirator with head protection safety function | |
| CN216777769U (en) | Fire control respirator of convenient regulation bore | |
| CN209696096U (en) | A kind of emergency compressed oxygen filtering type self-help apparatus | |
| CN102728593B (en) | Smoke dust removal device in electric welding shed | |
| CN202554768U (en) | Refrigerant chemical oxygen respirator of room temperature phase-change material | |
| CN217409615U (en) | Fire-fighting water gun device for emergency air supply of firemen | |
| CN219700859U (en) | Multifunctional pipeline integrated device for respirator | |
| CN220608898U (en) | External cooling system for positive pressure oxygen respirator | |
| CN106310552A (en) | Fire-fighting respirator | |
| CN214633426U (en) | Fire control self-rescue respirator with high wearing comfort level | |
| CN210992688U (en) | Positive pressure respirator for mine rescue | |
| CN115227996B (en) | But quick replacement formula chemical oxygen respirator | |
| CN216755166U (en) | Breathe emergent respirator of nursing | |
| CN215995334U (en) | High-efficient respirator that is fit for fire fighter to use | |
| CN213313009U (en) | Respirator air supply valve fixing buckle device | |
| CN115970186A (en) | Respirator on-off type filtration | |
| CN218220840U (en) | Head-mounted smoke-proof filtering type emergency escape respirator | |
| CN213252309U (en) | Multifunctional respirator for emergency treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |