CN211751920U - Oxygen supply type gas mask filter box - Google Patents
Oxygen supply type gas mask filter box Download PDFInfo
- Publication number
- CN211751920U CN211751920U CN201922386385.0U CN201922386385U CN211751920U CN 211751920 U CN211751920 U CN 211751920U CN 201922386385 U CN201922386385 U CN 201922386385U CN 211751920 U CN211751920 U CN 211751920U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- water
- filter
- box body
- oxygen generation
- 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
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses an oxygen supply type gas mask filter box, which comprises a box body, wherein the upper and lower surfaces of the box body are provided with breathable filter screens, a filter cavity is formed between the two breathable filter screens, a filter medium is arranged in the filter cavity, a baffle is arranged in the box body, the interior of the box body is separated into a filter area and an oxygen generation area through the baffle, and the breathable filter screens and the filter medium are positioned in the filter area; the oxygen producing area is provided with a water supply mechanism and an oxygen producing medium containing body made of hydrophilic materials. The utility model discloses a set up filtering area and system oxygen district simultaneously in the box body, system oxygen district uses water as one of the reaction raw materials, when needs through emit water with the system oxygen material react in order to prepare oxygen, oxygen rethread filtering area confession people breathe to can prolong personnel's operation or time of fleing, avoid personnel not to appear the casualty accident because of the oxygen deficiency. Meanwhile, the filter box for preparing oxygen has the advantages of simple structure, lower cost, simple operation, high reliability and large oxygen supply amount.
Description
Technical Field
The utility model relates to a protector technical field especially relates to a respirator filter cartridge for fields such as chemical production.
Background
In the fields of chemical engineering, fire fighting and disaster relief and the like, accidents such as large amount of leakage, combustion, dense smoke and the like of materials sometimes occur, so that oxygen deficiency in local space is caused, and personnel operating personnel or field personnel are injured to different degrees. When the oxygen content in the operating environment is lower than 19%, the normal use function of the common filter box of the gas mask is limited, and the normal oxygen demand of users cannot be kept, so that the short-time insufficient oxygen demand of human bodies cannot be breathed, and dizziness, coma, consciousness loss and the like are caused, and the operation or escape time of the users is delayed. Therefore, although some masks capable of providing oxygen are invented, the devices on the market are complicated in structure, high in cost, complicated in operation, even the oxygen supply switch cannot be turned on after water is met, and the oxygen supply amount is small.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to the shortcoming that prior art exists, provide an oxygen suppliment formula breathing mask filter cartridge simple structure, convenient operation, cost are lower, the reliability is high.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an oxygen suppliment formula breathing mask filter cartridge, is provided with ventilative filter screen including the box body on the upper and lower two sides of box body, separates into the filter chamber between two ventilative filter screens, is equipped with filter medium, its characterized in that in the filter chamber: the box body is internally provided with a baffle plate, the inside of the box body is separated into a filtering area and an oxygen generation area through the baffle plate, and the breathable filter screen and the filter medium are positioned in the filtering area; the oxygen generation device is characterized in that a water supply mechanism and an oxygen generation medium containing body made of hydrophilic materials are arranged in the oxygen generation area, the oxygen generation medium is arranged in the oxygen generation medium containing body, and an air vent is arranged in a partition part between the oxygen generation medium containing body and the filtering area so as to form a structure that oxygen enters the filtering area from the oxygen generation area.
Furthermore, the water supply mechanism comprises a water bag filled with water and a water bag breaking button for breaking the water bag, the water bag is arranged at the upper part of the oxygen production area, the water bag breaking button is arranged above the water bag to form a structure for pressing the water bag, and the water bag can be broken by pressing the water bag breaking button to enable the water to flow out.
Further, the oxygen generating medium containing body is a hydrophilic capsule made of hydrophilic material, and the hydrophilic capsule can be directly realized by the prior art, such as the capsule described in the preparation method of the hydrophilic material-loaded polymer microcapsule disclosed in patent CN201710329901.9, and the like. The method comprises the following steps that a plurality of layers of water-controlling capillary fibers form a water introducing and controlling structure in a hydrophilic capsule, the water-controlling capillary fibers are arranged at the top, the bottom and the middle of the hydrophilic capsule, the interior of the hydrophilic capsule is divided into a plurality of reaction cavities, an oxygen generation medium consisting of sodium peroxycarbonate and manganese dioxide is arranged in each reaction cavity, and certainly, the sodium peroxycarbonate and the manganese dioxide are contacted with water to prepare oxygen, which belongs to the prior art; the water bag is arranged above the hydrophilic capsule.
Furthermore, a gap is reserved between the hydrophilic capsule and the inner wall of the box body in the oxygen generation area, the gap forms a water diversion flow channel, the water diversion flow channel is communicated to each layer of the water control capillary fibers so that water can contact the water control capillary fibers, the water quantity is adjusted by the water control capillary fibers, water slowly contacts with sodium percarbonate to release oxygen, and the normal oxygen demand of users is kept.
Furthermore, a circle of isolation stop piece surrounding the water breaking bag button is arranged on the inner wall of the box body and the side wall of the partition board around the water breaking bag button, and the water breaking bag button is clamped and fixed through the isolation stop piece, so that the water breaking bag button cannot fall off due to the inverted filter box.
Furthermore, the bottom of the box body is provided with a connecting part with external threads, and the connecting part is assembled and fixed with the gas mask, so that the assembly and the disassembly are convenient.
Preferably, the air-permeable filter screen is made of filter cotton, and the filter medium is adsorption activated carbon, which is the prior art.
Preferably, the box body is of a circular structure, wherein the volume of the filtering area is larger than that of the oxygen generation area, and the oxygen generation amount is larger by adopting sodium percarbonate and manganese dioxide, so that the size of the filtering area can be ensured as much as possible, and the size of the whole filtering box is reduced so as to be conveniently arranged in the gas mask.
In emergency, the water bag can be pressed through the water bag breaking button to break the water bag to flow out, the water in the water bag contacts with the sodium carbonate peroxide through the water control capillary fibers to separate out sodium carbonate and hydrogen peroxide, and the hydrogen peroxide decomposes oxygen in the interlayer under the catalytic action of manganese dioxide, so that the method is simple and convenient and has large oxygen supply amount. The calculation results show that: 1g2Na2co3.3H2o20.1528g of oxygen can be produced, and the oxygen demand of human body per minute is 0.261 g.
If the filter box can meet the requirement of human body oxygen demand in daily work, the oxygen supply device is in a closed environment, and only the filter box needs to be replaced periodically.
The utility model discloses a set up filtering area and system oxygen district simultaneously in the box body, system oxygen district uses water as one of the reaction raw materials, when needs through emit water with the system oxygen material react in order to prepare oxygen, oxygen rethread filtering area confession people breathe to can prolong personnel's operation or time of fleing, avoid personnel not to appear the casualty accident because of the oxygen deficiency. Meanwhile, the filter box is simple in structure for preparing oxygen, low in cost, pure in mechanical structure, free of electricity, simple to operate, high in reliability and large in oxygen supply amount.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic top view of the present invention.
In the figure, 1 is a box body, 2 is a partition board, 3 is a breathable filter screen, 4 is a filter medium, 5 is a water bag breaking button, 6 is a water bag, 7 is a hydrophilic capsule, 8 is water control capillary fiber, 9 is a reaction cavity, 10 is a water diversion flow channel, 11 is sodium peroxycarbonate, 12 is manganese dioxide, 13 is an isolation stop sheet, and 14 is a connecting part.
Detailed Description
In the embodiment, referring to fig. 1 and 2, the oxygen supply type breathing mask filter box comprises a box body 1, wherein air-permeable filter screens 3 are arranged on the upper surface and the lower surface of the box body 1, a filter cavity is formed between the two air-permeable filter screens 3, and a filter medium 4 is arranged in the filter cavity; a partition board 2 is arranged in the box body 1, the inside of the box body 1 is separated into a filtering area and an oxygen generation area through the partition board 2, and the air-permeable filter screen 3 and the filter medium 4 are positioned in the filtering area; the oxygen generation device is characterized in that a water supply mechanism and an oxygen generation medium containing body made of hydrophilic materials are arranged in the oxygen generation area, the oxygen generation medium is arranged in the oxygen generation medium containing body, and an air vent is arranged in a partition part between the oxygen generation medium containing body and the filtering area so as to form a structure that oxygen enters the filtering area from the oxygen generation area.
The water supply mechanism comprises a water bag 6 filled with water and a water bag breaking button 5 used for breaking the water bag, the water bag 6 is arranged on the upper portion of the oxygen production area, the water bag breaking button 5 is arranged above the water bag 6 to form a structure for pressing the water bag breaking 6, and the water bag 6 can be broken by pressing the water bag breaking button 5 to enable the water to flow out.
The oxygen generation medium containing body is a hydrophilic capsule 7 made of hydrophilic materials, a plurality of layers of water control capillary fibers 8 (similar to dialysis capillary fibers and capable of allowing water to permeate) in the hydrophilic capsule 7 form an introduction and control structure for water, the water control capillary fibers 8 are arranged at the top, the bottom and the middle of the hydrophilic capsule 7 and divide the interior of the hydrophilic capsule 7 into a plurality of reaction cavities 9, an oxygen generation medium consisting of sodium carbonate peroxide 11 and manganese dioxide 12 is arranged in each reaction cavity 9, and certainly, the oxygen is prepared by contacting the sodium carbonate peroxide 11 and the manganese dioxide 12 with the water, which belongs to the prior art; the water bag 6 is arranged above the hydrophilic capsule 7.
A gap is reserved between the hydrophilic capsule 7 and the inner wall of the box body 1 in the oxygen production area, a water diversion flow channel 10 is formed in the gap, the water diversion flow channel 10 is communicated to the position of each layer of the water control capillary fibers 8, water can contact the water control capillary fibers 8, the water quantity is adjusted by the water control capillary fibers 8, water slowly contacts with the sodium percarbonate 11 to release oxygen, and the normal oxygen demand of users is kept.
The inner wall of the box body 1 around the water bag breaking button 5 and the side wall of the partition plate 2 are provided with a circle of isolation stop pieces 13 surrounding the water bag breaking button 5, and the water bag breaking button 5 is clamped and fixed through the isolation stop pieces 13, so that the water bag breaking button 5 cannot fall off due to the inverted filter box.
The bottom of the box body 1 is provided with a connecting part 14 with external threads, and the connecting part 14 is fixedly assembled with the gas mask, so that the assembly and the disassembly are convenient.
The air-permeable filter screen 3 is made of filter cotton, and the filter medium 4 is adsorption activated carbon, which is the prior art.
The box body 1 is of a circular structure, wherein the volume of the filtering area is larger than that of the volume oxygen generation area, and the oxygen generation amount is larger by adopting sodium percarbonate 11 and manganese dioxide 12, so that the size of the filtering area can be ensured as much as possible, and the size of the whole filtering box is reduced, so that the filtering box can be conveniently arranged in a gas mask.
In emergency, the water bag 6 can be pressed through the water bag breaking button 5, so that the water bag 6 is broken to release outflow water, the water in the water bag 6 is contacted with sodium carbonate peroxide 11 through the water control capillary fibers 8 to separate sodium carbonate and hydrogen peroxide, and the hydrogen peroxide is decomposed into oxygen in the interlayer (namely the reaction cavity 9) under the catalytic action of manganese dioxide 12, so that the method is simple and convenient, and the oxygen supply is large. Calculated to beObtaining: 1g2Na2co3.3H2o20.1528g of oxygen can be produced, and the oxygen demand of human body per minute is 0.261 g.
If the filter box can meet the requirement of human body oxygen demand in daily work, the oxygen supply device is in a closed environment, and only the filter box needs to be replaced periodically.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
1. The utility model provides an oxygen suppliment formula breathing mask filter cartridge, is provided with ventilative filter screen including the box body on the upper and lower two sides of box body, separates into the filter chamber between two ventilative filter screens, is equipped with filter medium, its characterized in that in the filter chamber: the box body is internally provided with a baffle plate, the inside of the box body is separated into a filtering area and an oxygen generation area through the baffle plate, and the breathable filter screen and the filter medium are positioned in the filtering area; the oxygen generation device is characterized in that a water supply mechanism and an oxygen generation medium containing body made of hydrophilic materials are arranged in the oxygen generation area, the oxygen generation medium is arranged in the oxygen generation medium containing body, and an air vent is arranged in a partition part between the oxygen generation medium containing body and the filtering area so as to form a structure that oxygen enters the filtering area from the oxygen generation area.
2. The oxygen-donating gas mask filter cartridge of claim 1, wherein: the water supply mechanism comprises a water bag filled with water and a water bag breaking button for breaking the water bag, the water bag is arranged at the upper part of the oxygen generation area, and the water bag breaking button is arranged above the water bag to form a structure for pressing the water bag.
3. The oxygen-donating gas mask filter cartridge of claim 1, wherein: the oxygen generation medium containing body is a hydrophilic capsule made of hydrophilic materials, a plurality of layers of water control capillary fibers form a water introducing and controlling structure in the hydrophilic capsule, the water control capillary fibers are arranged at the top, the bottom and the middle of the hydrophilic capsule, the interior of the hydrophilic capsule is divided into a plurality of reaction cavities, and an oxygen generation medium consisting of sodium peroxycarbonate and manganese dioxide is arranged in each reaction cavity; the water bag is arranged above the hydrophilic capsule.
4. The oxygen-donating gas mask filter cartridge of claim 3, wherein: a gap is reserved between the hydrophilic capsule and the inner wall of the box body in the oxygen generation area, a water diversion flow channel is formed in the gap and communicated to each layer of water control capillary fiber, and therefore water can contact the water control capillary fiber.
5. The oxygen-donating gas mask filter cartridge of claim 2, wherein: and a circle of isolation stop pieces surrounding the water bag breaking button are arranged on the inner wall of the box body and the side wall of the partition board around the water bag breaking button, and the water bag breaking button is clamped and fixed through the isolation stop pieces.
6. The oxygen-donating gas mask filter cartridge of claim 1, wherein: the bottom of the box body is provided with a connecting part with external threads, and the connecting part is assembled and fixed with the gas mask.
7. The oxygen-donating gas mask filter cartridge of claim 1, wherein: the air-permeable filter screen is made of filter cotton, and the filter medium is adsorption activated carbon.
8. The oxygen-donating gas mask filter cartridge of claim 1, wherein: the box body is of a circular structure, wherein the volume of the filtering area is larger than that of the oxygen generation area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386385.0U CN211751920U (en) | 2019-12-26 | 2019-12-26 | Oxygen supply type gas mask filter box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386385.0U CN211751920U (en) | 2019-12-26 | 2019-12-26 | Oxygen supply type gas mask filter box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211751920U true CN211751920U (en) | 2020-10-27 |
Family
ID=72979579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922386385.0U Active CN211751920U (en) | 2019-12-26 | 2019-12-26 | Oxygen supply type gas mask filter box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211751920U (en) |
-
2019
- 2019-12-26 CN CN201922386385.0U patent/CN211751920U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4963327A (en) | Oxygen generating module | |
| KR102091547B1 (en) | Portable Oxygen Concentrator by Respiratory | |
| CN202140113U (en) | Isolation type chemical-oxygen self-rescuer | |
| WO1998005370A1 (en) | Method and apparatus for revitalizing exhaled air | |
| CN201394290Y (en) | Chamber type positive pressure oxygen breathing apparatus | |
| CN211751920U (en) | Oxygen supply type gas mask filter box | |
| CN2778323Y (en) | Chemical oxygen inhalation apparatus for forest fire fighter | |
| CN106730450A (en) | Oxygen supply emergency set under a kind of ore deposit | |
| CN201248974Y (en) | Isolation type chemical oxygen self rescuer | |
| CN201379914Y (en) | Switching valve of movable air-source supplying auxiliary escape device | |
| CN206265273U (en) | Portable multi-purpose EEBD under water | |
| CN205073547U (en) | Portable oxygen -uptaking device | |
| CN209898384U (en) | Self-breathing multifunctional helmet | |
| CN211097130U (en) | Positive pressure type chemical oxygen operation respirator | |
| CN211882308U (en) | Multifunctional mask | |
| KR100518662B1 (en) | oxygen generator and oxygen mask using the oxygen generator | |
| CN212522757U (en) | Air supply port cover | |
| CN217567039U (en) | Portable miniature emergency oxygen supply device | |
| CN111772260A (en) | Face recognition high-transparency food-grade silica gel reusable mask | |
| KR20220068420A (en) | The oxygen generation module and the manufacturing method thereof using respiration | |
| CN208990100U (en) | A kind of portable carbon-oxygen crossover autonomous respiration device | |
| CN213096237U (en) | Face high-transparency food-grade silica gel reusable mask | |
| WO2021207970A1 (en) | Gas supply face mask | |
| RU2463093C1 (en) | Apparatus for respiratory protection of person | |
| CN219149064U (en) | Portable oxygen supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |