Novel mask respirator

Abstract

The utility model discloses a novel mask respirator. The novel mask respirator comprises a mask body, a connecting piece, a one-way air inlet valve and a poison filtering box. The connecting piece, the one-way air inlet valve and the poison filtering box are designed into independent parts, so that the poison filtering device has the advantages of being convenient to produce, clean and maintain; mounting seats are respectively arranged on two sides of the front end of the mask main body, and each mounting seat is provided with a first through hole and a mounting end surface which is inclined outwards from the front end to the rear end; the connecting piece extends backwards along the direction to be provided with a clamping seat, so that the poison filtering box is close to the human face as much as possible and is arranged backwards, the gravity center of the poison filtering box is close to the human face and moves backwards, and the overall gravity center of the mask respirator is close to the face of the human body; the mask respirator is prevented from falling forwards and downwards due to the balance weight problem in the wearing process, so that the wearing comfort of a wearer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mask respirators, in particular to a novel mask respirator. Background Art

[0002] As we all know, in some working environments, there are a lot of dust and other harmful substances, such as mining, building stone, metal welding, chemical, pharmaceutical, waste and wastewater management, maintenance and cleaning, agriculture, food processing and tunnel construction. Workers engaged in these jobs must wear masks and respirators. Workers wear masks and respirators on their faces to filter out dust and other harmful substances, helping people to work normally in high-dust environments.

[0003] Existing mask respirators usually include a mask body, a gas filter box and a binding headband. The mask body is provided with a one-way inhalation port, a one-way exhalation port and a mounting buckle. The gas filter box is installed on the inhalation port, and the binding headband is installed on the mounting buckle. When in use, the staff wears the mask respirator on the head using the binding headband. When inhaling, the air can pass through the gas filter box and then enter the mask body from the inhalation port. When exhaling, the gas can be directly discharged from the exhalation port.

[0004] Through observation, it was found that the mask respirators of this type on the market have an air inlet integrally formed on the mask body, and a connector connected to the air inlet for installing a gas filter box. The gas filter box is detachably installed on the connector. The mask body is designed as a special-shaped part to conform to the human facial contour. Coupled with the connector structure designed thereon, the production and processing of the mask body is extremely inconvenient. Some manufacturers also adjust the direction of the connector to facilitate the demolding of the mask body during the production process, but this type of mask respirator will cause the gas filter box to be located away from the human face, and the overall center of gravity of the mask respirator is away from the human face, making the staff extremely uncomfortable.

[0005] In view of this, the designer has made in-depth considerations and actively researched, improved and tried to develop and design the present utility model in view of the many deficiencies and inconveniences caused by the imperfect structural design of the above-mentioned mask respirator. Utility Model Content

[0006] The utility model aims to provide a novel mask respirator which is easy to produce and comfortable to wear.

[0007] In order to achieve the above purpose, the solution of the utility model is:

[0008] A novel face mask respirator, the face mask respirator comprising

[0009] A mask body, wherein mounting seats are respectively provided on both sides of the front end of the mask body, a first through hole is provided in the center of the mounting seat, and a mounting end surface is provided at one end of the mounting seat which is inclined outward from the front end to the rear end;

[0010] A connecting piece, one end of which is provided with a connecting column, the connecting piece is sealed and inserted into the first through hole through the connecting column, the other end of the connecting piece is extended backward in a direction parallel to the mounting end surface and is provided with a clamping seat, and a second through hole is provided in the connecting piece;

[0011] A one-way air intake valve, wherein the one-way air intake valve is threadedly connected to the end of the connecting column, thereby locking the connecting member on the mounting seat;

[0012] And a poison filter box, wherein the poison filter box is detachably sealed and mounted on a card-joined seat.

[0013] Preferably, a first sealing groove is provided on the clamping seat, and a first sealing ring is installed in the first sealing groove.

[0014] Preferably, a second sealing groove is provided on the connecting column, and a second sealing ring is installed in the second sealing groove.

[0015] Preferably, the drug filter box includes a front grid cover, a filter material compartment body and a rear grid cover; a grid plate is provided in the filter material compartment body to separate the filter material compartment body into a front compartment and a rear compartment, and a quick connector is provided on the side wall of the filter material compartment body to be clamped with a clamping seat; the front grid cover and the rear grid cover are respectively covered on the front compartment and the rear compartment.

[0016] Preferably, the one-way air intake valve includes a locking nut and an air intake valve plate, a valve plate bracket and an air intake hole are provided in the middle of the locking nut, a plug-in hole is provided in the middle of the valve plate bracket, and the air intake valve plate is plugged into the plug-in hole and covers the air intake hole.

[0017] Preferably, the mask respirator also includes a sound transmitting assembly, which includes a microphone and a sound transmitting cover, wherein the microphone is detachably sealed and mounted on the front end of the mask body, the sound transmitting cover is detachably mounted on the mask body and covers the front end of the microphone, and the sound transmitting cover is provided with grid holes.

[0018] Preferably, a third through hole is provided at the front end of the mask body; an elastic clamping block is provided on the side wall of the microphone, and the elastic clamping block is movably engaged with the outer end surface of the third through hole after the front end of the microphone passes through the third through hole.

[0019] Preferably, an exhalation valve seat is further provided on the mask body, and a fourth through hole and a closed end surface inclined from top to bottom and backward is provided on the exhalation valve seat; the mask respirator also includes an exhalation assembly, and the exhalation assembly includes an exhalation valve sheet and a dust cover, the exhalation valve sheet is detachably mounted on the exhalation valve seat and covers the fourth through hole, the dust cover is detachably mounted on the exhalation valve seat and covers the front end of the exhalation valve sheet, and an exhalation channel inclined from top to bottom and backward is formed between the dust cover and the exhalation valve sheet.

[0020] Preferably, the sound transmitting cover and the dustproof cover are an integrated structure, and the inner side of the sound transmitting cover is connected to the exhalation channel.

[0021] Preferably, the mask body is a half-mask respirator body or a full-mask respirator body.

[0022] After adopting the above scheme, the utility model has the following beneficial effects by adopting the above improved technical scheme.

[0023] 1. The connector, the one-way air inlet valve and the gas filter box are designed as separate parts. Only a mounting seat with a first through hole needs to be designed on the mask body. The mounting end face on the mounting seat is also consistent with the inclination direction of the mask body, which is conducive to demoulding during production. The separate production and processing of each part has the advantage of convenient production.

[0024] 2. The connector, one-way air inlet valve and gas filter box are designed as separate parts. The staff can disassemble each part separately for cleaning and maintenance, which has the advantage of convenient cleaning and maintenance.

[0025] 3. The connector is locked on the mask body through a one-way air inlet valve, and the filter box is directly connected to the card seat. The specific filter box can be directly plugged into the card seat through a buckle to achieve quick plug-in installation, which has the advantage of quick installation.

[0026] 4. The mounting end surface on the mounting seat is inclined from the front end to the rear end and outward, that is, it conforms to the inclination angle of the human face. The connecting piece also extends backward in this direction to set a snap-in seat, so that the gas filter box is as close to the human face as possible and is set backward. The center of gravity of the gas filter box will be close to the human face and move backward, so that the overall center of gravity of the mask respirator is close to the human face, avoiding the mask respirator from falling forward or downward due to weight problems during wearing, thereby improving the comfort of the wearer when wearing.

[0027] 5. Only the installation with the first through hole needs to be designed on the mask body. The mask body has a simple structure and is flat, which is suitable for mask respirators of different thicknesses. Therefore, it can be designed on a full-face respirator or a half-face respirator. The connector, the one-way air inlet valve and the gas filter box are designed as separate parts, which can make the connector, the one-way air inlet valve and the gas filter box become universal parts, thereby improving the production efficiency and quality of different products, reducing production costs, and facilitating the maintenance and replacement of different products. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic structural diagram of the first embodiment of the utility model.

[0029] Figure 2 This is an exploded view of the first embodiment of the utility model.

[0030] Figure 3 It is an exploded view of the connecting member in the first embodiment of the utility model.

[0031] Figure 4 It is an exploded view of the one-way air intake valve in the first embodiment of the utility model.

[0032] Figure 5 This is an exploded view of the gas filter box in the first embodiment of the utility model.

[0033] Figure 6 It is an exploded view of the sound transmission component and the exhalation component in the first embodiment of the utility model.

[0034] Figure 7 It is a structural schematic diagram of the second embodiment of the utility model.

[0035] Figure 8 This is an exploded view of the second embodiment of the utility model.

[0036] Description of main component symbols:

[0037] In the figure:

[0038] 1. Mask body; 11. Mounting seat; 12. First through hole; 13. Mounting end surface; 14. Third through hole; 15. Exhalation valve seat; 16. Fourth through hole; 17. Closed end surface;

[0039] 2. Connecting piece; 21. Connecting column; 22. Card-connecting seat; 23. Second through hole; 24. First sealing groove; 25. First sealing ring; 26. Second sealing groove; 27. Second sealing ring;

[0040] 3. One-way air inlet valve; 31. Locking nut; 311. Valve plate bracket; 312. Air inlet hole; 313. Plug hole; 32. Air intake valve plate;

[0041] 4. Gas filter box; 41. Front grille cover; 42. Filter material compartment; 421. Grille plate; 422. Front compartment; 423. Rear compartment; 424. Quick connector; 43. Rear grille cover;

[0042] 5. sound transmission component; 51. microphone; 511. elastic card block; 52. sound transmission cover; 521. grid hole;

[0043] 6. Exhalation assembly; 61. Exhalation valve plate; 62. Dust cover; 63. Exhalation channel. DETAILED DESCRIPTION

[0044] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0046] like Figures 1 to 6 As shown, it is a first embodiment of a new type of mask respirator of the utility model, which includes a mask body 1, mounting seats 11 are respectively provided on both sides of the front end of the mask body 1, a first through hole 12 is provided in the center of the mounting seat 11, and one end of the mounting seat 11 is provided with a mounting end face 13 which is inclined outward from the front end to the rear end; a connecting member 2, one end of the connecting member 2 is provided with a connecting column 21, the connecting member 2 is sealed and inserted in the first through hole 12 through the connecting column 21, and the other end of the connecting member 2 is extended backward in a direction parallel to the mounting end face 13 and is provided with a clamping seat 22, and a second through hole 23 is provided in the connecting member 2; a one-way air intake valve 3, the one-way air intake valve 3 is screwed to the end of the connecting column 21, so as to lock the connecting member 2 on the mounting seat 11; and a gas filter box 4, the gas filter box 4 is detachably and sealably mounted on the clamping seat 22.

[0047] In the present embodiment, the mask respirator is a half-mask respirator, which seals the mouth, nose and nearby face of the worker. That is, in the present embodiment, the mask body 1 is a half-mask respirator body.

[0048] During assembly, the connecting column 21 of the connecting piece 2 is inserted into the first through hole 12, and the one-way air intake valve 3 is locked at the end of the connecting column 21 from the inside of the mask body 1, so that the connecting piece 2 is locked on the mounting seat 11, and the filter box 4 is installed on the clamping seat 22 of the connecting piece 2.

[0049] When in use, the staff wears the mask respirator on the head. When inhaling, the external air is filtered by the gas filter box 4 and enters the interior of the mask body 1 through the second through hole 23 and the one-way air inlet valve 3, providing clean air for the staff and helping them to work normally in a high-dust environment.

[0050] The key point of the utility model is that the utility model has the following beneficial effects by adopting the above improved technical solution.

[0051] 1. The connector 2, the one-way air inlet valve 3 and the gas filter box 4 are designed as separate parts. Only a mounting seat 11 with a first through hole 12 needs to be designed on the mask body 1. The mounting end surface 13 on the mounting seat 11 is also consistent with the inclination direction of the mask body 1, which is conducive to demoulding during production. The separate production and processing of each part has the advantage of convenient production.

[0052] 2. The connector 2, the one-way air inlet valve 3 and the gas filter box 4 are designed as separate parts. The staff can disassemble each part separately for cleaning and maintenance, which has the advantage of convenient cleaning and maintenance.

[0053] 3. The connecting piece 2 is locked on the mask body 1 through the one-way air inlet valve 3, and the filter box 4 is directly connected to the card seat 22. Specifically, the filter box 4 can be directly plugged into the card seat 22 through a buckle to achieve quick plug-in installation, which has the advantage of quick installation.

[0054] 4. The mounting end surface 13 on the mounting seat 11 is inclined from the front end to the rear end and outward, that is, it conforms to the inclination angle of the human face. The connecting member 2 also extends backward in this direction to set the clamping seat 22, so that the gas filter box 4 is as close to the human face as possible and is set backward. The center of gravity of the gas filter box 4 will be close to the human face and move backward, so that the overall center of gravity of the mask respirator is close to the human face, avoiding the mask respirator from falling forward or downward due to weight problems during wearing, thereby improving the comfort of the wearer when wearing.

[0055] 5. The mask body 1 only needs to be designed with a first through hole 12 for installation. It has a simple structure and is flat, and is suitable for mask respirators of different thicknesses. Therefore, it can be designed on a full-face respirator or a half-face respirator. The connector 2, the one-way air inlet valve 3 and the gas filter box 4 are designed as separate parts, which can make the connector 2, the one-way air inlet valve 3 and the gas filter box 4 become universal parts, thereby improving the production efficiency and quality of different products, reducing production costs, and facilitating the maintenance and replacement of different products.

[0056] The above-mentioned clamping seat 22 is provided with a first sealing groove 24, and a first sealing ring 25 is installed in the first sealing groove 24. In this way, the clamping seat 22 achieves a sealing effect with the gas filter box 4 through the first sealing ring 25, so that the connecting member 2 and the gas filter box 4 are sealed and connected.

[0057] The connecting column 21 is provided with a second sealing groove 26, and a second sealing ring 27 is installed in the second sealing groove 26. In this way, the connecting column 21 is in sealing contact with the inner wall of the first through hole 12 through the second sealing ring 27 to achieve a sealing effect, so that the connecting member 2 is sealed and connected to the mask body 1.

[0058] The above-mentioned filter box 4 includes a front grid cover 41, a filter material compartment body 42 and a rear grid cover 43; a grid plate 421 is provided in the filter material compartment body 42 to divide the filter material compartment body 42 into a front compartment 422 and a rear compartment 423, and a quick connector 424 is provided on the side wall of the filter material compartment body 42 to be clamped with a clamping seat; the front grid cover 41 and the rear grid cover 43 are respectively covered on the front compartment 422 and the rear compartment 423. In this way, the quick connector 424 is set on the side wall of the filter material compartment body 42, and the front and rear ends of the filter material compartment body 42 are respectively provided with a front grid cover 41 and a rear grid cover 43, so that large-area air intake grid holes can be realized on the two end faces, the air intake resistance is low, and the utilization efficiency of the filter material is high; and, a grid plate 421 is set in the filter material compartment body 42 to divide the filter material compartment body 42 into a front compartment 422 and a rear compartment 423, which can greatly increase the filtration area, so that there are no dead angles around the two filter materials in the filter material compartment body 42, thereby reducing the air intake resistance, making fuller use of the activated carbon, and making the filtering and adsorption effect of the filter box 4 better and the service life longer.

[0059] The one-way air inlet valve 3 comprises a locking nut 31 and an inhalation valve plate 32. A valve plate bracket 311 and an air inlet hole 312 are provided in the middle of the locking nut 31. A plug hole 313 is provided in the middle of the valve plate bracket 311. The inhalation valve plate 32 is plugged into the plug hole 313 and covers the air inlet hole 312. In this way, when exhaling, the gas pressure presses the inhalation valve plate 32 to cover the air inlet hole 312, so that the gas cannot pass through the one-way air inlet valve 3. When inhaling, negative pressure can be formed inside the mask body 1, and the inhalation valve plate 32 covering the air inlet hole 312 is sucked up, thereby opening the air inlet hole 312, so that the external air can enter the inside of the mask body 1 through the second through hole 23 and the one-way air inlet valve 3 after being filtered by the filter box 4.

[0060] The above-mentioned mask respirator also includes a sound transmission component 5, which includes a microphone 51 and a sound transmission cover 52. The microphone 51 is detachably sealed and installed at the front end of the mask body 1. The sound transmission cover 52 is detachably installed on the mask body 1 and covers the front end of the microphone 51. The sound transmission cover 52 is provided with a grid hole 521. In this way, because the mask respirator is usually used in a high-dust environment, the mask respirator is sealed to cover the mouth and nose when worn on the human face, and its sound transmission effect is poor. However, by installing the microphone 51 and the sound transmission cover 52, it can effectively transmit the voice of the staff, so as to facilitate the communication of the staff wearing the mask respirator.

[0061] The front end of the mask body 1 is provided with a third through hole 14; an elastic block 511 is provided on the side wall of the microphone 51, and the elastic block 511 is movably engaged with the outer end surface of the third through hole 14 after the front end of the microphone 51 passes through the third through hole 14. In this way, when installing the microphone 51, it is only necessary to insert the microphone 51 into the third through hole 14 until the elastic block 511 is engaged with the outer end surface of the third through hole 14, and the installation of the microphone 51 can be completed, which has the advantage of convenient installation.

[0062] The mask body 1 is also provided with an exhalation valve seat 15, on which a fourth through hole 16 and a closed end surface 17 tilted from top to bottom and backward are provided; the mask respirator also includes an exhalation assembly 6, which includes an exhalation valve sheet 61 and a dust cover 62. The exhalation valve sheet 61 is detachably mounted on the exhalation valve seat 15 and covers the fourth through hole 16, and the dust cover 62 is detachably mounted on the exhalation valve seat 15 and covers the front end of the exhalation valve sheet 61. An exhalation channel 63 tilted from top to bottom and backward is formed between the dust cover 62 and the exhalation valve sheet 61. In this way, because the closed end face 17 tilted from top to bottom and backward is provided on the exhalation valve seat 15, the exhalation valve sheet 61 is also attached to the closed end face 17, and the direction of the airflow exhaled from the human body from the nasal cavity and the oral cavity is just opposite to the exhalation valve sheet 61. At this time, the staff only needs to exhale normally to blow open the exhalation valve sheet 61 and exhale the gas outside the mask respirator without having to exhale the gas with effort or relying on the mouth, so it has the advantage of being easy to use. In addition, because the closed end face 17 tilted from top to bottom and backward is provided on the exhalation valve seat 15, an exhalation channel 63 tilted from top to bottom and backward is formed between the dust cover 62 and the exhalation valve sheet 61, so it can effectively prevent particles and splashes in the air from entering the exhalation channel 63, or accumulating in the exhalation channel 63, and particles and splashes can be quickly discharged from the exhalation channel 63, so it has the advantage of being easy to use.

[0063] The above-mentioned sound transmission cover 52 and dust cover 62 are an integrated structure, and the inner side of the sound transmission cover 52 is connected to the exhalation channel 63. In this way, the sound transmission cover 52 and the dust cover 62 can be produced and processed together and installed synchronously, so it has the advantages of convenient production and installation. In addition, the particles and splashes that enter the sound transmission cover 52 through the grid holes 521 can also be discharged from the exhalation channel 63 in time to avoid accumulation in the sound transmission cover 52, so it has the advantage of being easy to use.

[0064] like Figures 7 and 8 As shown, it is a second embodiment of a new type of mask respirator of the utility model. In this embodiment, the mask respirator is a full-face mask respirator. The difference between it and the first embodiment is that the structure of the mask body 1 is different. The full-face mask respirator seals the entire face of the worker, that is, in this embodiment, the mask body 1 is a full-face mask respirator body.

[0065] The above description of the specific exemplary embodiments of the utility model is for the purpose of illustration and demonstration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is obvious that many changes and variations can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that ordinary technicians in the field can realize and use various different exemplary embodiments and various different selections and changes of the utility model. Any appropriate changes or modifications made by ordinary technicians in the technical field should be deemed to be within the patent scope of the utility model.

Claims

1. A new type of mask respirator, characterized in that: The face mask respirator comprises A mask body (1), wherein mounting seats (11) are respectively provided on both sides of the front end of the mask body (1), a first through hole (12) is provided at the center of the mounting seat (11), and a mounting end surface (13) is provided at one end of the mounting seat (11) which is inclined outward from the front end to the rear end; A connecting piece (2), one end of the connecting piece (2) is provided with a connecting column (21), the connecting piece (2) is sealed and inserted in the first through hole (12) through the connecting column (21), the other end of the connecting piece (2) is extended backward in a direction parallel to the mounting end surface (13) and is provided with a clamping seat (22), and a second through hole (23) is provided in the connecting piece (2); A one-way air intake valve (3), wherein the one-way air intake valve (3) is threadedly connected to the end of the connecting column (21), thereby locking the connecting member (2) on the mounting seat (11); And a poison filter box (4), wherein the poison filter box (4) is detachably sealed and mounted on a clamping seat (22).

2. A novel face mask respirator as claimed in claim 1, characterized in that: The clamping seat (22) is provided with a first sealing groove (24), and a first sealing ring (25) is installed in the first sealing groove (24).

3. A novel face mask respirator as claimed in claim 1, characterized in that: The connecting column (21) is provided with a second sealing groove (26), and a second sealing ring (27) is installed in the second sealing groove (26).

4. A novel face mask respirator as claimed in claim 1, characterized in that: The poison filter box (4) comprises a front grid cover (41), a filter material compartment body (42) and a rear grid cover (43); a grid plate (421) is provided inside the filter material compartment body (42) for dividing the filter material compartment body (42) into a front compartment (422) and a rear compartment (423); a quick connector (424) is provided on the side wall of the filter material compartment body (42) for clamping with a clamping seat (22); the front grid cover (41) and the rear grid cover (43) are respectively covered on the front compartment (422) and the rear compartment (423).

5. A novel face mask respirator as claimed in claim 1, characterized in that: The one-way air intake valve (3) comprises a locking nut (31) and an air intake valve plate (32); a valve plate bracket (311) and an air intake hole (312) are provided in the middle of the locking nut (31); a plug hole (313) is provided in the middle of the valve plate bracket (311); the air intake valve plate (32) is plugged into the plug hole (313) and covers the air intake hole (312).

6. A novel face mask respirator as claimed in claim 1, characterized in that: The mask respirator further comprises a sound transmission component (5), wherein the sound transmission component (5) comprises a microphone (51) and a sound transmission cover (52), wherein the microphone (51) is detachably sealed and mounted on the front end of the mask body (1), and the sound transmission cover (52) is detachably mounted on the mask body (1) and covers the front end of the microphone (51), and the sound transmission cover (52) is provided with a mesh hole (521).

7. A novel face mask respirator as claimed in claim 6, characterized in that: A third through hole (14) is provided at the front end of the mask body (1); an elastic clamping block (511) is provided on the side wall of the microphone (51); and the elastic clamping block (511) is movably clamped with the outer end surface of the third through hole (14) after the front end of the microphone (51) passes through the third through hole (14).

8. A novel face mask respirator as claimed in claim 6, characterized in that: The mask body (1) is also provided with an exhalation valve seat (15), and the exhalation valve seat (15) is provided with a fourth through hole (16) and a closed end surface (17) which is inclined from top to bottom and backward; the mask respirator also includes an exhalation component (6), and the exhalation component (6) includes an exhalation valve sheet (61) and a dust cover (62), the exhalation valve sheet (61) is detachably mounted on the exhalation valve seat (15) and covers the fourth through hole (16), the dust cover (62) is detachably mounted on the exhalation valve seat (15) and covers the front end of the exhalation valve sheet (61), and an exhalation channel (63) which is inclined from top to bottom and backward is formed between the dust cover (62) and the exhalation valve sheet (61).

9. A novel face mask respirator as claimed in claim 8, characterized in that: The sound transmission cover (52) and the dustproof cover (62) are an integrated structure, and the inner side of the sound transmission cover (52) is connected to the exhalation channel (63).

10. A novel face mask respirator according to any one of claims 1 to 9, characterized in that: The mask body (1) is a half-mask respirator body or a full-mask respirator body.

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