CN219001806U

CN219001806U - Filtering component of gas mask

Info

Publication number: CN219001806U
Application number: CN202223567776.0U
Authority: CN
Inventors: 邓永兵; 王云龙; 朱琳; 汤金芳
Original assignee: Jiangsu Gaoma Safety Equipment Co ltd
Current assignee: Jiangsu Gaoma Safety Equipment Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-12
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a filtering component of a gas mask, which has the technical scheme that: the breathing mask comprises a breathing mask body, wherein a connecting column is fixedly arranged on one side of the breathing mask body, a threaded hole is formed in one end of the connecting column, the threaded hole corresponds to an air suction hole of the breathing mask body, a connecting block is connected with the threaded hole in a threaded manner, a connecting hole is formed in one side of the connecting block, and the connecting hole corresponds to the threaded hole; the filter component is arranged on one side of the gas mask body and used for filtering toxic gas, the outer circular wall surface of the connecting block is provided with threads and threaded holes in threaded connection, and then the connecting block is connected with the connecting column, so that the filter component and the gas mask body can be conveniently and rapidly installed, the first non-woven cloth layer and the connecting ring are movably sleeved, the active carbon layer is further blocked, and the air permeability of the first non-woven cloth layer is good, so that the ventilation holes are prevented from being blocked by the active carbon layer.

Description

Filtering component of gas mask

Technical Field

The utility model relates to the technical field of filter components, in particular to a filter component of a gas mask.

Background

The gas mask is a personal labor protection article, is also an individual protection article, and is a personal protection device which is worn on the head to protect the respiratory organs, eyes and faces of people and prevent toxic substances such as toxic gas, dust, bacteria, toxic harmful gas or steam from being damaged. The gas mask is widely applied to the fields of petroleum, chemical industry, mine, metallurgy, military, fire protection, rescue and relief work, sanitation and epidemic prevention, scientific and environmental protection, mechanical manufacturing and the like, and can play an important role in protecting a personal respiratory system in cities with serious haze and photochemical smog. The gas mask can be divided into a full face mask and a half face mask in terms of shape, and the full face mask is divided into a positive pressure type and a negative pressure type.

According to publication No.: CN 205323045U's chinese patent, including upper end casing, lower extreme casing and air filter assembly, air filter assembly includes shell, business turn over gas otter board, filters filling material and dust filter gasket, and the outside bottom of shell is equipped with the external screw thread, and the shell passes through the external screw thread to be set up in the inside of lower extreme casing, and the bottom of shell is for opening the dull and stereotyped that has No. two business turn over gas pockets, is equipped with a plurality of layers dust filter gasket on the dull and stereotyped, is equipped with business turn over gas otter board at the top of dust filter gasket, adopts indent muscle to rise to press and encapsulate between business turn over gas otter board and the shell, and it has No. one business turn over gas pockets to open on the business turn over gas otter board, pass through threaded connection between upper end casing and the lower extreme casing, be equipped with No. three business turn over gas pockets in the inside of upper end casing.

The above solution still has the following drawbacks: the filter component of the gas mask cannot be quickly disassembled and assembled when the gas mask is used, and the filter layer cannot be disassembled and replaced after the gas mask is used each time, so that the filter component of the gas mask is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a filtering component of a gas mask, which solves the problems that the filtering component of the gas mask can not be quickly disassembled and assembled when in use and the filtering layer can not be disassembled and replaced after each use of the gas mask.

The technical aim of the utility model is realized by the following technical scheme:

a filter assembly for a gas mask, comprising: the breathing mask comprises a breathing mask body, wherein a connecting column is fixedly installed on one side of the breathing mask body, a threaded hole is formed in one end of the connecting column, the threaded hole corresponds to an air suction hole of the breathing mask body, a connecting block is connected with the threaded hole in a threaded mode, a connecting hole is formed in one side of the connecting block, the connecting hole corresponds to the threaded hole, and a filtering component is arranged on one side of the breathing mask body and used for filtering toxic gases.

Through adopting above-mentioned technical scheme, through setting up the connecting block, the excircle wall of connecting block is provided with screw thread and screw hole threaded connection, and then can make the connecting block be connected with the spliced pole to can make things convenient for filter element and breathing mask body to carry out more swift installation.

Preferably, the filter assembly includes: the connecting plate, connecting plate fixed mounting is in one side of connecting block, a plurality of air vent has been seted up to the one end of connecting plate, the one end fixed mounting of connecting plate has the go-between, the interior circular wall face movable sleeve of go-between is equipped with first nonwoven cloth layer, two joint holes have been seted up to the excircle wall face of go-between.

Through adopting above-mentioned technical scheme, through setting up first nonwoven cloth layer, first nonwoven cloth layer and go-between movable sleeve establish, and then can separate the active carbon layer to first nonwoven cloth layer gas permeability is good can air-purifying, thereby can avoid the active carbon layer to block up the air vent.

Preferably, the filter assembly further comprises: the active carbon layer is movably sleeved on the inner circular wall surface of the connecting ring, the second non-woven fabric layer is movably sleeved on the inner circular wall surface of the connecting ring, and the filter cotton layer is movably sleeved on the inner circular wall surface of the connecting ring.

Through adopting above-mentioned technical scheme, through setting up the active carbon layer, active carbon layer activity cover is established at the interior circular wall surface of go-between, and then can carry out better absorption to poisonous gas to take place the chemical action, make the toxicity be reduced to unable production harm to the human body.

Preferably, a fixing frame is arranged at one end of the connecting ring, two clamping blocks are fixedly arranged at one end of the fixing frame, and the clamping blocks are detachably clamped with the clamping holes.

Through adopting above-mentioned technical scheme, through setting up the joint piece, joint piece and joint hole detachable joint, and then can make the user more convenient install and dismantle to make the user more convenient change filter component.

Preferably, a filter screen is fixedly arranged at one end of the fixing frame, a protective cover is fixedly sleeved on the outer circular wall surface of the filter screen, and a through hole is formed in the outer circular wall surface of the protective cover.

Through adopting above-mentioned technical scheme, through setting up the filter screen, the filter screen is that the fixed cover of nanometer light touch coal filter screen is established in the interior circular wall of protection casing, and then can improve and kill pathogenic dig fungus, virus, decompose harmful substance.

Preferably, a mounting hole is formed in one side of the gas mask body, and a check valve is fixedly sleeved on the inner circular wall surface of the mounting hole.

Through adopting above-mentioned technical scheme, through setting up the check valve, the interior round wall at the mounting hole is established to the fixed cover of check valve, and then can make the user carry out better exhale gas after wearing the breathing mask body to can increase the smooth and easy nature of user's breathing.

In summary, the utility model has the following advantages:

through setting up filter component, filter component can realize quick assembly disassembly when using, can dismantle the change to the filter layer after the breathing mask uses at every turn, filter component carries out detachable joint through joint piece and joint hole and realizes quick replacement, through setting up the connecting block, the excircle wall of connecting block is provided with screw thread and screw hole threaded connection, and then can make the connecting block be connected with the spliced pole, thereby can make things convenient for filter component and breathing mask body to carry out more swift installation, through setting up first nonwoven cloth layer, first nonwoven cloth layer and go-between movable sleeve establish, and then can separate the active carbon layer, and first nonwoven cloth layer gas permeability is good can air-purifying, thereby can avoid the active carbon layer to block up the air vent.

Through setting up the active carbon layer, active carbon layer movable sleeve establishes in the interior circular wall of go-between, and then can carry out better absorption to poisonous gas, thereby take place the chemical action, make the toxicity be fallen to unable harm to the human body, through setting up the joint piece, joint piece and joint hole detachable joint, and then can make the user more convenient install and dismantle, thereby make the user more convenient change filter component, through setting up the filter screen, the filter screen is the fixed cover of nanometer light touch coal filter screen and establishes in the interior circular wall of protection casing, and then can improve and kill pathogenic bacteria, virus, decompose harmful substance, through setting up the fixed cover of check valve establishes in the interior circular wall of mounting hole, and then can make the user carry out better exhale gas after wearing the gas mask body, thereby can increase the user's respiratory smoothness.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a split construction of the present utility model;

FIG. 3 is a schematic view of a clamping block structure of the present utility model;

fig. 4 is an enlarged schematic view of a partial structure of fig. 2 a.

Reference numerals: 1. a gas mask body; 2. a connecting column; 3. a threaded hole; 4. a connecting block; 5. a connection hole; 6. a connecting disc; 7. a vent hole; 8. a connecting ring; 9. a first nonwoven layer; 10. a clamping hole; 11. an activated carbon layer; 12. a second nonwoven layer; 13. a filter cotton layer; 14. a fixing frame; 15. a clamping block; 16. a filter screen; 17. a protective cover; 18. a through hole; 19. a mounting hole; 20. a non-return valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 4, a filter component of gas mask, including gas mask body 1, gas mask body 1 is for having the structure not doing in this repeating, one side fixed mounting of gas mask body 1 has spliced pole 2, threaded hole 3 has been seted up to the one end of spliced pole 2, threaded hole 3 is corresponding with the suction port of gas mask body 1, threaded hole 3 threaded connection has connecting block 4, connecting hole 5 has been seted up to one side of connecting block 4, connecting hole 5 is corresponding with threaded hole 3, one side of gas mask body 1 is provided with filter component, be used for filtering the gas, through setting up connecting block 4, the outer disc wall of connecting block 4 is provided with screw thread and threaded hole 3 threaded connection, and then can make connecting block 4 be connected with spliced pole 2, thereby can make things convenient for filter component and gas mask body 1 to carry out more swift installation, filter component includes connecting disc 6, one side of connecting disc 6 fixed mounting at connecting block 4, a plurality of air vent 7 has been seted up to the one end of connecting disc 6, the one end fixed mounting of connecting disc 6 has connecting ring 8, the interior wall active layer of connecting ring 8 has first nonwoven layer 9, first nonwoven layer 9 is set up, first nonwoven layer 9, can set up nonwoven layer 10 for nonwoven layer 11 through the first nonwoven layer 11, thereby nonwoven layer 11, can set up nonwoven layer 11 active carbon layer 11, and can be connected nonwoven layer 11, thereby nonwoven layer 11, and can be connected to nonwoven layer 11, and first nonwoven layer active carbon layer 11, and can be better nonwoven layer active carbon layer 11.

Referring to fig. 2, 3 and 4, the filter component further comprises an active carbon layer 11, the active carbon layer 11 is movably sleeved on the inner circular wall surface of the connecting ring 8, the inner circular wall surface of the connecting ring 8 is movably sleeved with a second non-woven fabric layer 12, the second non-woven fabric layer 12 is made of polypropylene resin, the inner circular wall surface of the connecting ring 8 is movably sleeved with a filter cotton layer 13, the filter cotton layer 13 is made of active carbon filter cotton, the active carbon layer 11 is arranged, the active carbon layer 11 is movably sleeved on the inner circular wall surface of the connecting ring 8, further, toxic gas can be adsorbed better, thereby chemical action occurs, toxicity is reduced to the extent that the toxic gas cannot endanger a human body, one end of the connecting ring 8 is provided with a fixing frame 14, one end of the fixing frame 14 is fixedly provided with two clamping blocks 15, the clamping blocks 15 are detachably clamped with the clamping holes 10, and the clamping blocks 15 are detachably clamped with the clamping holes 10, so that a user can conveniently install and detach the filter component, and the user can conveniently replace the filter component.

Referring to fig. 2 and 3, a filter screen 16 is fixedly installed at one end of a fixing frame 14, the filter screen 16 is made of a nano light coal-touching filter screen, a protective cover 17 is fixedly sleeved on the outer circular wall surface of the filter screen 16, a through hole 18 is formed in the outer circular wall surface of the protective cover 17, the filter screen 16 is fixedly sleeved on the inner circular wall surface of the protective cover 17 through the arrangement of the filter screen 16, and further pathogenic bacteria and viruses can be killed, harmful substances are decomposed, an installation hole 19 is formed in one side of a gas mask body 1, a check valve 20 is fixedly sleeved on the inner circular wall surface of the installation hole 19, the check valve 20 is of an existing structure and is not repeated, and the check valve 20 is fixedly sleeved on the inner circular wall surface of the installation hole 19 through the arrangement of the check valve 20, so that a user can perform better exhaled gas after wearing the gas mask body 1, and the breathing smoothness of the user can be increased.

Working principle: referring to fig. 1-4, when in use, a user can wear the gas mask body 1, then the outer circular wall surface of the connecting block 4 is provided with threads and the threaded holes 3 in threaded connection, and then the connecting block 4 is connected with the connecting column 2, thereby being convenient for the filter assembly to be installed with the gas mask body 1 more quickly, the first nonwoven fabric layer 9 is movably sleeved with the connecting ring 8, then the activated carbon layer 11 can be blocked, and the first nonwoven fabric layer 9 has better air permeability, so that the activated carbon layer 11 can be prevented from blocking the vent holes 7, the activated carbon layer 11 is movably sleeved on the inner circular wall surface of the connecting ring 8, further, the toxic gas can be adsorbed better, thereby chemical action occurs, the toxicity is reduced to be unable to be generated to the human body, the clamping block 15 and the clamping hole 10 are detachably clamped, and the user can more conveniently install and detach the gas mask body, thereby the user can more conveniently replace the filter assembly, the filter assembly can be prevented from blocking the activated carbon layer 11, the activated carbon layer 11 can be prevented from being blocked by the clamping block 15, the second nonwoven fabric layer 11, the first nonwoven fabric layer 11 can be smoothly attached to the first nonwoven fabric layer 20, and the breathing valve 20 can be smoothly breathed out by the user.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A filter assembly for a respirator, comprising:

the gas mask comprises a gas mask body (1), wherein a connecting column (2) is fixedly arranged on one side of the gas mask body (1), a threaded hole (3) is formed in one end of the connecting column (2), the threaded hole (3) corresponds to an air suction hole of the gas mask body (1), a connecting block (4) is connected with the threaded hole (3) in a threaded mode, a connecting hole (5) is formed in one side of the connecting block (4), and the connecting hole (5) corresponds to the threaded hole (3);

the filtering component is arranged on one side of the gas mask body (1) and is used for filtering toxic gas.

2. The filter assembly of a respirator of claim 1, wherein the filter assembly comprises:

the connecting plate (6), connecting plate (6) fixed mounting is in one side of connecting block (4), a plurality of air vent (7) have been seted up to the one end of connecting plate (6), the one end fixed mounting of connecting plate (6) has go-between (8), the interior circular wall movable sleeve of go-between (8) is equipped with first nonwoven cloth layer (9), two joint holes (10) have been seted up to the outer circular wall of go-between (8).

3. The filter assembly of a respirator of claim 2, wherein the filter assembly further comprises:

the active carbon layer (11), active carbon layer (11) activity cover is established the interior round wall of go-between (8), the interior round wall activity cover of go-between (8) is equipped with second non-woven fabrics layer (12), the interior round wall activity cover of go-between (8) is equipped with filtration cotton layer (13).

4. The filtering assembly of a respirator according to claim 2, wherein a fixing frame (14) is arranged at one end of the connecting ring (8), two clamping blocks (15) are fixedly arranged at one end of the fixing frame (14), and the clamping blocks (15) are detachably clamped with the clamping holes (10).

5. The filtering assembly of a gas mask according to claim 4, wherein a filter screen (16) is fixedly mounted at one end of the fixing frame (14), a protective cover (17) is fixedly sleeved on the outer circumferential wall surface of the filter screen (16), and a through hole (18) is formed in the outer circumferential wall surface of the protective cover (17).

6. The filtering assembly of a respirator according to claim 1, wherein a mounting hole (19) is formed in one side of the respirator body (1), and a non-return valve (20) is fixedly sleeved on the inner circular wall surface of the mounting hole (19).