CN201921349U

CN201921349U - Water filtration respirator

Info

Publication number: CN201921349U
Application number: CN201020665637XU
Authority: CN
Inventors: 陈德良; 杨浪
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-17
Filing date: 2010-12-17
Publication date: 2011-08-10
Anticipated expiration: 2020-12-17

Abstract

The utility model discloses a water filtration respirator which aims to solve the problems of poor filter effect, inconvenience for carrying and the like in the prior art. The water filtration respirator comprises a respiratory mask and at least one water filter, wherein an air suction device and a buffering air storage sack are arranged between the air outlet of the water filter and the respiratory mask; the water filter comprises a closed casing, at least one layer of ventilated water baffle arranged in the casing, at least one air inlet pipe with one end sticking into the casing along a proper position in the casing, and at least one air outlet pipe communicated with the interior of the casing and arranged above the ventilated water baffle; the ventilated water baffle and the interior space of the casing below the ventilated water baffle form a filtering liquid chamber; and the end of the air inlet pipe sticks into the filtering liquid chamber. According to the structure, the external ambient air is purified through the water filter, and sucked into the buffering air storage sack and the respiratory mask through the air suction device to be supplied to a human body; the structure is simple, the purification is full, and the use is convenient; the water filter, the air suction device and the buffering air storage sack can be arranged as an integrated body or as separate parts, the structure is flexible, the volume is small, and the water filtration respirator is convenient to carry.

Description

Water filtering mask

Technical Field

The utility model relates to a gauze mask especially relates to a water filter mask that can fully filter dust.

Background

Air is an essential resource for human survival, and clean air can fully ensure the life health and life quality of human beings, while in some severe environments, the dust concentration or harmful gas concentration is too high, such as: building sites, refuse incinerators, blasting sites, chemical plants, etc., where the air environment is very harsh and the health of people in these harsh environments is seriously harmed, so people in these harsh areas can use masks to filter and purify air during work and life, and reduce the dust and harmful gases that people inhale the air through the effect of the masks. At present, the gauze mask of selling on the market mainly carries out filterable dust mask with filter paper, and the dirt effect of straining of this kind of filter paper is relatively poor, the ash filtering function under adverse circumstances is limited, need frequent change filter paper when wearing this kind of gauze mask, just can guarantee certain filter effect all the time, and in prior art, the gauze mask that utilizes water to carry out filterable that utilizes is provided, this dust mask has subassembly such as air cleaner, utilize the water in the air cleaner to carry out air cleaner, can hang air cleaner and lean on and place in the waistband during the use, clothing or trousers bag, but this kind of dust mask is at first dustproof effect general, and air cleaner's filtrate needs periodic replacement, and it is not convenient enough to use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a water filtering mask which has simple and practical structure, convenient carrying and good filtering effect.

In order to achieve the purpose, the water filtering mask comprises a breathing mask and a filter, wherein the breathing mask is connected with an air outlet of the filter, the filter comprises at least one water filter, and an air exhaust device and a buffering air storage bag are connected between the air outlet of the water filter and the breathing mask; the air outlet of the air pumping device is connected with the buffering air storage bag; wherein,

the water filter comprises a closed shell, at least one layer of breathable water baffle arranged in the shell, at least one air inlet pipe with one end extending into the shell along the proper position of the shell, and at least one exhaust pipe communicated with the interior of the shell and arranged above the breathable water baffle; the air-permeable water baffle and the inner space of the shell below the air-permeable water baffle form a filtrate chamber, and the end of the air inlet pipe extends into the filtrate chamber.

The water filters are two or more than two and are communicated in sequence, wherein the two water filters are arranged adjacently, and the exhaust pipe of the former water filter is connected with the air inlet pipe of the latter water filter; an opening is arranged on an air inlet pipe of the water filter connected with the air exhaust device or an air outlet pipe of the previous water filter connected with the air inlet pipe, and a movable valve cover is arranged on the opening.

Furthermore, an adjustable structure is arranged between the breathable water baffle and the shell; the breathable water baffle is two layers and is a first breathable water baffle and a second breathable water baffle respectively, the first breathable water baffle and the second breathable water baffle are arranged at intervals from bottom to top, and a plurality of air holes are formed in the breathable water baffles.

Particularly, the end part of the exhaust pipe of the water filter is provided with a suck-back prevention device which is arranged above the second breathable water baffle.

Wherein, the air inlet pipe of the water filter is connected with a check valve.

Furthermore, the breathing mask is communicated with the buffering air storage bag through a pipeline, an automatic control unit for controlling the air speed and the air volume is arranged on the pipeline and/or the breathing mask, and a manual control unit for controlling the air speed and the air volume is arranged on the air exhaust device.

The air inlet pipe is arranged at the top, the side wall or the bottom of the shell; the pipeline runs through the setting inside the buffering gas storage bag to run through the setting and be in pipeline part lateral wall in the buffering gas storage bag is provided with the inside miniature bleeder vent of intercommunication this pipeline and buffering gas storage bag.

Particularly, the water filter shell consists of a cylinder body and a top cover hermetically sealed with the cylinder body, and an air inlet pipe and an air outlet pipe of the water filter penetrate through the top cover. .

Further, an air filter is further arranged between the water filter and the air extraction device, the air filter comprises a closed shell, an air filter box arranged at the upper part in the shell, and an exhaust pipe arranged at the top of the shell and connected with an air inlet of the air extraction device, and the exhaust pipe of the water filter extends into the shell of the air filter and is arranged below the air filter box.

Wherein, be provided with the opening on the blast pipe of the water filter that sets up adjacent with air cleaner, be provided with movable valve lid on the opening.

Foretell structure, external environment air is in the intake pipe entering casing through water filter, and the air after air filter dust absorption purification is inhaled the buffering gas storage bag through air exhaust device through the filtrate of arranging in this casing in and is supplied with the human body through respirator again, simple structure, it is abundant to purify, convenient to use, foretell water filter and air exhaust device can an organic whole set up, and is small, portable.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a fourth embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1-4, a first embodiment of the water filtering mask of the present invention, as shown in fig. 1, comprises a breathing mask 1 and a filter, wherein the breathing mask is connected to an air outlet of the filter, the filter comprises at least one water filter 3, and an air extractor 4 (in this embodiment, the air extractor is a vacuum pump) and a buffer air storage bag 5 are connected between the air outlet of the filter and the breathing mask; wherein,

a water filter comprising a closed housing 31, a gas-permeable water baffle disposed inside the housing, at least one inlet pipe 32 having one end extending into the housing from a suitable position of the housing (including from the top, side walls and bottom of the housing, in this embodiment the top), and at least one outlet pipe 33 disposed above the gas-permeable water baffle of the housing; the air-permeable water baffle and the inner space of the shell below the air-permeable water baffle form a filtrate chamber, the end of the air inlet pipe extends into the filtrate chamber (filtrate is added into the filtrate chamber, and the air inlet pipe extends below the liquid level of the filtrate, so that the inhaled gas can be ensured to be fully purified in the filtrate), wherein the air inlet pipe of the water filter is connected with a check valve 34, so that the filtrate in the water filter is prevented from flowing out of an air inlet; the adjustable structure is arranged in the breathable water baffle and the shell, so that the position of the breathable water baffle can be conveniently adjusted according to the liquid level of filtrate, the breathable water baffle is divided into two layers, namely a first breathable water baffle 35 and a second breathable water baffle 36, the first breathable water baffle and the second breathable water baffle are arranged at intervals from bottom to top, and a plurality of air holes are formed in the breathable water baffle; the end part of the exhaust pipe of the water filter is provided with an anti-suck-back device 37, and the anti-suck-back device is arranged above the second breathable water baffle; an air-tight seal top cover 38 is arranged at the upper end of the shell of the water filter, and an air inlet pipe and an air outlet pipe of the water filter penetrate through the top cover, so that the filtering liquid can be cleaned and replaced conveniently. The arrangement of the breathable water baffle and the suck-back prevention device avoids splashing of the filtrate, prevents the filtrate from being sucked carelessly, and simultaneously ensures smooth discharge of the purified air; the structure of the suck-back prevention device is more, for example, a short pipe perpendicular to the end of the exhaust pipe can be adopted, the middle of the short pipe is arranged in a rotation mode with the end of the exhaust pipe, one end of the short pipe is sealed and the heavy hammer is placed, the other end of the short pipe is communicated with the exhaust pipe, and therefore when water is filtered and inclined, the heavy hammer rotates downwards correspondingly, the other end of the short pipe is made to face upwards, and water prevented from shaking enters the exhaust pipe.

A buffer air storage bag 5 is connected between the exhaust port of the air exhaust device and the breathing mask; the breathing mask is communicated with the buffering air storage bag through a pipeline 6, a manual control unit 70 for controlling air speed and air quantity is arranged on the vacuum pump, and an automatic control unit 7 is arranged on the pipeline and/or in the breathing mask. Air supply pressure is guaranteed in the setting of air exhaust device, reduces the resistance of breathing in, uses more comfortablely, and buffering gas storage bag plays the effect of buffering air current and decompression, and the control unit has increased humanized setting, and the user adjusts speed, pressure and the flow of control air feed according to self needs. As a preferred implementation manner of the present embodiment, an automatic wind speed control unit is disposed on the pipeline, and an automatic differential pressure control unit is disposed in the breathing mask, so that the rotational speed and other parameters of the driving device and the transmission device of the vacuum pump can be controlled by the wind speed control signal in the pipeline and the differential pressure signal in the breathing mask to meet the control requirement.

As a second embodiment of the present invention, as shown in fig. 2, the water filters are two or two (two in this embodiment, the first-stage water filter 11 and the second-stage water filter 12 respectively) and are sequentially connected, wherein the two water filters 11 and 12 are adjacently disposed, and the exhaust pipe of the former water filter 12 is connected to the intake pipe of the latter water filter 11. The structure is purified by the two-stage water filter, and the air quality is higher. An opening is formed in an air inlet pipe of the water filter 11 connected with the air extracting device or an air outlet pipe of a previous water filter 12 connected with the air inlet pipe, and a movable valve cover 8 is arranged on the opening, so that the air extracting device stops working under the condition of no electricity and can only suck air by a human body, therefore, in order to reduce air suction resistance, the valve cover 8 is opened, the air inlet pipe of the first-stage water filter 11 is communicated with the external atmosphere, and thus, the external air directly enters the water filter from the air inlet pipe when people suck air, and the labor is not too much.

As a third embodiment of the present invention, as shown in fig. 3, the present invention further comprises an air filter, which comprises a closed housing 21, an air filter box 22 (made of bamboo charcoal, activated carbon or other materials with dust-absorbing and anti-toxic functions) disposed at the upper portion of the housing, and an exhaust pipe 23 disposed at the top of the housing and connected to the air inlet of the air extractor, wherein the closed housing can also be made of a cylinder and a cylinder cover disposed at the opening of the cylinder, so as to facilitate processing and replacing the filtering material; the exhaust pipe of the water filter extends into the lower part of the air filter box in the air filter shell; an opening is arranged on the exhaust pipe of the water filter which is arranged adjacent to the air filter, and a movable valve cover 8 is arranged on the opening. Thus, under the condition of no electricity, the air extracting device stops working and only can suck air by a human body, so that in order to reduce air suction resistance, the valve cover 8 on the exhaust pipe of the primary water filter 11 is opened to lead the exhaust pipe to be communicated with the external atmosphere, so that the external air directly enters the air filter from the exhaust pipe when people suck air, and the labor is not too much. The pipeline 6 is arranged in the buffering air storage bag in a penetrating mode, and a plurality of miniature air vents communicated with the inner space of the buffering air storage bag and the pipeline are arranged on the pipeline 6 located in the buffering air storage bag, so that the pipeline 6 is prevented from being blocked after air in the buffering air storage bag is completely sucked, and the smoothness of an air suction pipeline is guaranteed at any time. The air filter is used as a spare device, and can be used for filtering toxic gas when outside air is toxic.

In the structure, the air in the external environment enters the shell through the air inlet pipe of the water filter, the air which is filtered, absorbed and purified by the filtering liquid in the shell enters the shell below the air filter box of the air filter through the first water baffle, the second water baffle and the exhaust pipe, the air enters the air extractor through the air filter box, the air in the filter is sucked into the buffering air storage bag through the air extractor, the air pressure and the flow in the buffering air storage bag are controlled by the control unit and then enters the breathing mask to be supplied to the human body, the length and the inner diameter of a connecting pipeline between the breathing mask and the buffering air storage bag can be set according to requirements, the structure is simple, the purification is sufficient, the humidity can be ensured simultaneously, the use is convenient, the water filter, the air filter and the air extractor can be integrally or separately arranged, the structure is flexible, the volume is small, is convenient for carrying.

The present invention is not limited to the above embodiments, and any change in shape or structure can be made, and all the water filtering masks can be used in the present invention.

Claims

1. A water filtering mask comprises a breathing mask and a filter, wherein the breathing mask is connected with an air outlet of the filter; the air outlet of the air pumping device is connected with the buffering air storage bag; wherein,

2. The water filtration mask of claim 1 wherein said water filters are two or more than two in series, wherein two water filters are disposed adjacent to each other, and the exhaust pipe of the former water filter is connected to the intake pipe of the latter water filter; an opening is arranged on an air inlet pipe of the water filter connected with the air exhaust device or an air outlet pipe of the previous water filter connected with the air inlet pipe, and a movable valve cover is arranged on the opening.

3. The water filtration mask of claim 2 wherein an adjustable structure is disposed between said air baffle and said shell; the breathable water baffle is two layers and is a first breathable water baffle and a second breathable water baffle respectively, the first breathable water baffle and the second breathable water baffle are arranged at intervals from bottom to top, and a plurality of air holes are formed in the breathable water baffles.

4. The water filtration mask of claim 3 wherein said water filter has an anti-back suction device disposed at an end of said exhaust tube, said anti-back suction device being disposed above said second air-permeable water baffle.

5. The water filtration mask of claim 4 wherein a check valve is connected to the inlet tube of said water filter.

6. The water filtration mask of claim 5 wherein said breathing mask is in communication with said cushioning reservoir via a conduit, said conduit and/or said breathing mask being provided with an automatic control unit for controlling the air speed and volume, said air extractor being provided with a manual control unit for controlling the air speed and volume.

7. The water filtration mask of claim 6 wherein said air inlet conduit is disposed at the top, side or bottom of said shell; the pipeline runs through the setting inside the buffering gas storage bag to run through the setting and be in pipeline part lateral wall in the buffering gas storage bag is provided with the inside miniature bleeder vent of intercommunication this pipeline and buffering gas storage bag.

8. The water filtration mask of claim 7 wherein said water filter shell is comprised of a shell and a top cover hermetically sealed to said shell, said water filter inlet tube and said water filter outlet tube both being disposed through said top cover.

9. The water filtration mask of any one of claims 1 to 8 further comprising an air filter disposed between said water filter and said air extractor, said air filter comprising a sealed enclosure, an air filter box disposed in an upper portion of said enclosure, and an air outlet tube disposed at a top portion of said enclosure and connected to an air inlet of said air extractor, said air outlet tube of said water filter extending into said air filter enclosure and being positioned below said air filter box.

10. The water filtration mask of claim 9 wherein said water filter exhaust duct disposed adjacent said air filter is provided with an opening having a removable valve cover disposed thereon.