CN111642837A - Novel mask capable of separating inspiration from expiration - Google Patents

Abstract

The invention discloses a new type of mask with separation of inhalation and exhalation. It includes a mask body and ear loops arranged on the left and right sides of the mask body. The inner side of the mask body is provided with a mouth-nose cover, and the mouth-nose cover and the mask body are arranged between the mouth and nose cover. Removable connection is adopted; the mouth and nose cover includes a cover body that surrounds the mouth and nose, the cover body conforms to the contour of the human face, and the cover body is provided with an inhalation check valve and an exhalation check valve; the mask body Including the inner layer of the mask and the outer layer of the mask; the purpose of the present invention is to provide a new type of mask that separates inhalation and exhalation, which is compact in structure, novel in design, convenient to wear, high in comfort, and has independent inhalation channels and exhalation channels. The channel realizes the separation of inhalation and exhalation, keeps breathing unobstructed, and effectively solves the technical problem of difficulty in breathing caused by the blockage of the mask filter caused by the mixing of exhalation and inhalation of ordinary masks.

Description

A new type of mask that separates inhalation and exhalation

technical field

The invention belongs to the field of breathing equipment, in particular to a novel mask for separating inhalation and exhalation.

Background technique

About 100 million people in the country suffer from respiratory diseases, which have become one of the four major diseases that endanger human health. Effective protective measures and treatment methods are needed to ensure the health of human respiratory systems, reduce the suffering of human diseases, reduce the social medical burden, and improve respiratory health. A journey of a thousand miles starts with small things.

A mask is a sanitary product that is worn on the mouth and nose to filter the air entering the mouth and nose, so as to block the entry and exit of harmful gases, odors, and droplets. It can effectively prevent dust inhalation and prevent respiratory infectious diseases.

Traditional masks have large inhalation resistance, and the exhaled carbon dioxide moist and hot gas can easily block the mask, causing difficulty in breathing, and there are also disadvantages such as repeated inhalation of exhaust gas.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems, to provide a new type of mask that separates inhalation and exhalation, which is compact in structure, novel in design, convenient to wear, high in comfort, has independent inhalation channels and exhalation channels, and realizes inhalation and exhalation. The separation of exhalation keeps breathing unobstructed, effectively solving the technical problem of difficulty in breathing caused by the blockage of the mask caused by the mixing of exhalation and inhalation of ordinary masks.

In order to achieve the above purpose, the technical scheme adopted in the present invention is: a new type of mask with separation of inhalation and exhalation, which comprises a mask body and ear loops arranged on the left and right sides of the mask body, and the inner side of the mask body is provided with a mouth-nose cover , a detachable connection is adopted between the mouth and nose cover and the mask body; the mouth and nose cover includes a cover body that surrounds the mouth and nose, the cover body is in line with the contour of the human face, and the cover body is provided with an inhalation check valve and exhalation check valve; the mask body includes the inner layer of the mask and the outer layer of the mask;

The inner layer of the mask is provided with an inlet valve insertion port and an air outlet valve insertion port, and the peripheries of the inlet valve insertion port and the air outlet valve insertion port are respectively matched for sealing connection with the inhalation check valve and the exhalation check valve. the first border.

The straight tube part spreads the inner layer of the mask and the outer layer of the mask, and the maximum space for inhalation and exhalation can be obtained after being opened, which promotes smooth exhalation and greater comfort.

In the exhalation state, the distance C between the maximum opening position A of the diaphragm in the exhalation check valve and the end B of the straight cylinder part is at least 5 mm, so that when the exhaust gas exhaled by the human body passes through the exhalation one-way valve, the exhaust gas There is always a part of it staying in the straight cylinder part. When the inhalation action is performed, the outside air will not be directly inhaled during the closing process of the diaphragm in the exhalation check valve. Improve breathing safety.

In the present invention, the inner layer of the mask and the periphery of the outer layer of the mask are connected by sealing.

The present invention can be used as a medical mask, and can also be used as an ordinary protective mask.

When the present invention is used as a medical mask, a connecting end is provided between the inner layer of the mask and the outer layer of the mask, and the connecting end divides the entire interior of the mask into an independent inhalation cavity and an independent exhalation cavity. The inhalation end and the exhalation end of the exhalation check valve are respectively set in the inhalation cavity and the exhalation cavity to realize the one-way separation of inhalation and exhalation, which effectively solves the problem of blocking the mask caused by the mixing of exhalation and inhalation. Make breathing more smooth, while avoiding the repeated inhalation of exhaust gas.

When the present invention is only used as a common protective mask, in order to improve the comfort of air outlet, an air outlet is provided on the outer layer of the mask, and a second frame is arranged at the air outlet, and a screen is arranged inside the second frame.

In order to realize the close combination of the first frame and the inner layer of the mask, an ultrasonic welding machine is used to weld the first frame on the inner layer of the mask.

In order to realize the close combination of the second frame and the outer layer of the mask, an ultrasonic welding machine is used to weld the second frame on the outer layer of the mask.

The shapes of the first frame and the second frame are rectangles. As a preferred mode of the present invention, the first frame and the second frame are matched with the inhalation check valve and the exhalation check valve.

In order to facilitate assembly and routine maintenance of the mouth-nose cover, the inhalation check valve and the exhalation check valve are detachably installed on the cover body.

The following are the preferred structures of the inspiratory check valve and the expiratory check valve:

Both the inhalation check valve and the exhalation check valve include a casing and a diaphragm, wherein the casing includes a straight cylinder part and a membrane panel, the straight cylinder part is provided with through holes penetrating both ends, the membrane panel is arranged on the straight cylinder part, and the membrane A vent is arranged on the panel, a membrane is installed at the membrane panel, and the membrane covers the entire vent, and the end of the casing is provided with a flange.

When the mask is used as a medical mask, ventilation grooves are provided on the side walls of the straight cylinder part of the inhalation check valve and the exhalation check valve, and the ventilation grooves are respectively arranged at the intake end and the exhalation end of the inhalation check valve. The outlet end of the one-way valve.

When the mask is used as an ordinary protective mask, a ventilation groove is provided on the side wall of the straight cylinder part of the inhalation check valve, and the ventilation grooves are respectively arranged at the intake end of the inhalation one-way valve; when installed, the straight cylinder in the inhalation one-way valve is The end of the mask away from the end flange supports the outer layer of the mask, so that the outer layer of the mask and the inner layer of the mask are stretched to form an inhalation channel with a larger capacity, and the ventilation groove is used for inhalation. The outer layer of the entire mask acts as an inhalation filter surface, which increases the inhalation volume and makes the exhalation more smooth and comfortable.

To ensure that the diaphragm can perfectly cover the vent with each breath, the membrane panel is placed parallel to the end flange.

In order to facilitate the installation and daily maintenance and replacement of the diaphragm, further, the inhalation check valve and the exhalation check valve further include a diaphragm fixing seat, and the diaphragm fixing seat includes a pressure plate, and a pin shaft is arranged in the thickness direction of the pressure plate. The diaphragm is provided with a first circular hole for the pin shaft to pass through, the membrane panel is provided with a second circular hole for the pin shaft to pass through, and an interference fit is used between the pin shaft and the second circular hole.

In order to increase the stability of the fixing of the diaphragm, the number of pins should be at least two.

In order to facilitate the installation and removal of the pressure plate, a handle is provided on the pressure plate.

In order to realize the quick assembly of the inspiratory check valve and the expiratory check valve to the sleeve body, and to facilitate the quick disassembly of the inspiratory one-way valve and the expiratory one-way valve, the sleeve body is provided with an inhalation one-way valve A third frame is arranged on the periphery of the installation hole and the installation hole of the exhalation check valve, the installation hole of the inhalation check valve and the installation hole of the exhalation check valve.

In order to realize the quick assembly and disassembly between the mouth-nose cover and the mask body, the outer side wall of the straight tube part is provided with a boss that surrounds the straight tube part at one end close to the end flange, and the boss is provided with a first An annular groove and a second annular groove, the first frame and the third frame are clamped and sealed in the first annular groove and the second annular groove respectively.

In order to realize the quick assembly and disassembly between the mouth-nose cover and the mask body, one end of the straight cylinder part away from the end flange is clamped and sealed in the second frame.

Beneficial effects of the present invention:

1. The present invention provides a new type of mask for separating inhalation and exhalation, which is compact in structure, novel in design, convenient to wear, high in comfort, has independent inhalation channels and exhalation channels, realizes the separation of inhalation and exhalation, and maintains Unobstructed breathing effectively solves the technical problem of difficulty in breathing caused by the blockage of the mask filter caused by the mixing of exhalation and inhalation of ordinary masks.

2. The present invention provides a novel mask with separation of inhalation and exhalation. After use, the mouth and nose cover can be removed, the mask body can be quickly replaced, and the mouth and nose cover can be reused after being sterilized with alcohol.

3. The present invention provides a new type of mask for separating inhalation and exhalation. The inhalation one-way valve and the exhalation one-way valve are provided with straight cylinder portions, wherein the maximum opening position A of the diaphragm in the exhalation one-way valve is the same as the The distance C between the ends B of the straight tube part is at least 5mm. When the exhaust gas exhaled by the human body passes through the exhalation check valve, a part of the waste gas always stays in the straight tube part. During the closing process of the tablet, the outside air will not be directly inhaled, but will be inhaled by itself to discharge the exhaust gas staying in the straight cylinder part, thus improving the safety of breathing.

4. The present invention provides a new type of mask for separating inhalation and exhalation, wherein the mask body can be quickly docked and disassembled with the inhalation check valve and the exhalation check valve, which is convenient for assembly and daily replacement.

5. The present invention provides a novel mask for separating inhalation and exhalation, wherein the inhalation check valve and the exhalation check valve are simple in structure, easy to process, low in manufacturing cost, and capable of quick assembly and maintenance.

6. When a new type of mask with separation of inhalation and exhalation provided by the present invention is used as a medical mask, a connection end is provided between the inner layer of the mask and the outer layer of the mask, and the connection end divides the entire interior of the mask into an independent inhalation cavity and an independent inhalation cavity. The inhalation end of the inspiratory check valve and the exhalation end of the exhalation check valve are respectively set in the inspiratory cavity and the exhalation cavity to realize the one-way separation of inhalation and exhalation, which effectively solves the problem of exhalation. The mixing of air and inhalation causes the problem of blockage of the mask, making breathing more smooth and avoiding the repeated inhalation of exhaust gas.

Description of drawings

Fig. 1 is a front view of the present invention as a common protective mask.

Fig. 2 is the plane structure schematic diagram of the inner layer of the mask when the present invention is used as a common protective mask.

3 is a schematic diagram of the plane structure of the outer layer of the mask when the present invention is used as a common protective mask.

4 is a schematic structural diagram of the installation of the mouth-nose cover and the mask body when the present invention is used as a common protective mask.

5 is a front view of the present invention as a medical mask.

6 is a schematic structural diagram of the installation of the mouth and nose cover and the mask body when the present invention is used as a medical mask.

7 is a schematic diagram of the plane structure of the inner layer of the mask when the present invention is used as a medical mask.

FIG. 8 is a schematic three-dimensional structure diagram of the mouth-nose cover of the present invention.

FIG. 9 is a schematic diagram of the three-dimensional structure of the sleeve body in the present invention.

Figure 10 is a schematic diagram of the assembly of the suction check valve in the present invention.

FIG. 11 is a schematic three-dimensional structure diagram of the suction check valve in the present invention when the assembly is completed.

Figure 12 is a schematic diagram of the assembly of the expiratory check valve in the present invention.

FIG. 13 is a schematic three-dimensional structure diagram of the exhalation one-way valve in the present invention when the assembly is completed.

14 is a front view of the inhalation check valve and the exhalation check valve in the present invention.

Figure 15 is a side view of the expiratory check valve of the present invention.

Figure 16 is a side view of the suction check valve in the present invention.

FIG. 17 is a schematic three-dimensional structure diagram of the diaphragm fixing seat in the present invention.

FIG. 18 is a schematic cross-sectional view of the breathing check valve in the present invention when it is in an exhalation state.

19 is a schematic diagram of the plane structure of the outer layer of the mask when the present invention is used as a medical mask.

The text in the figure is marked as follows: 1. The mask body; 2. The mouth and nose cover; 101. The inner layer of the mask; 102. The outer layer of the mask; 103. A frame; 106, the second frame; 107, the screen; 108, the connecting end; 109, the inhalation chamber; 110, the exhalation chamber; 201, the sleeve body; 202, the inhalation check valve; Valve; 204, Diaphragm; 205, Diaphragm seat; 206, Housing; 207, Ventilation groove; 2011, Inspiratory check valve mounting hole; 2012, Expiration check valve mounting hole; 2051, Pressure plate; 2052, Handle; 2053, pin; 2061, end flange; 2062, first annular groove; 2063, second annular groove; 2064, straight cylinder; 2065, membrane panel; 2066, vent.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. .

Example 1:

As shown in Figure 1-Figure 4, Figure 8-Figure 18, the specific structure of the present invention as a medical mask is:

It includes a mask body 1 and ear hooks arranged on the left and right sides of the mask body 1. The inner side of the mask body 1 is provided with a mouth and nose cover 2, and the mouth and nose cover 2 and the mask body 1 are detachably connected; the mouth and nose cover 2 includes a cover body 201 around the mouth and nose, the cover body 201 is consistent with the contour of the human face, and the cover body 201 is provided with an inhalation one-way valve 202 and an exhalation one-way valve 203; layer 101 and mask outer layer 102;

The inner layer 101 of the mask is provided with an inlet valve insertion port 103 and an outlet valve insertion port 104, and the peripheries of the inlet valve insertion port 103 and the air outlet valve insertion port 104 are respectively matched for use with the inhalation check valve 202 and the exhalation valve. The gas one-way valve 203 is sealingly connected to the first frame 105 .

The straight tube portion 2064 stretches the inner layer 101 of the mask and the outer layer 102 of the mask, and can obtain the largest space for inhalation and exhalation after being stretched, which promotes smooth exhalation and greater comfort.

In the exhalation state, the distance C between the maximum opening position A of the diaphragm 204 in the exhalation one-way valve 203 and the end B of the straight cylinder portion 2064 is at least 5 mm, so that the exhaust gas exhaled by the human body passes through the exhalation one-way valve. When inhaling, a part of the exhaust gas always stays in the straight cylinder. When the inhalation action is performed, when the diaphragm in the exhalation check valve is closed, the outside air will not be directly inhaled, but will be inhaled by itself to discharge the exhaust gas staying in the straight cylinder. , thus improving the safety of breathing.

Both the inhalation check valve 202 and the exhalation check valve 203 are provided with ventilation grooves 207 on the side walls of the straight cylinder portion 2064, and the ventilation grooves 207 are respectively provided at the intake end of the inhalation check valve 202 and the exhalation check valve. The outlet end of valve 203. A connecting end 108 is provided between the inner layer 101 of the mask and the outer layer 102 of the mask, and the connecting end 108 divides the interior of the entire mask into an independent inhalation chamber 109 and an independent exhalation chamber 110, and the inhalation of the inhalation check valve 202 The end and the exhalation end of the exhalation check valve 203 are respectively arranged in the inhalation cavity 109 and the exhalation cavity 110 to realize the one-way separation of inhalation and exhalation, effectively solving the problem of blocking the mask caused by the mixing of exhalation and inhalation. problem, make breathing more smooth, and avoid the repeated inhalation of exhaust gas.

In order to realize the close combination of the first frame 105 and the inner layer 101 of the mask, the first frame 105 is welded on the inner layer 101 of the mask by using an ultrasonic welding machine.

In order to realize the close combination of the second frame 106 and the outer layer 102 of the mask, the second frame 106 is welded on the outer layer 102 of the mask by using an ultrasonic welding machine.

The shape of the first frame 105 and the second frame 106 is a rectangle. As a preferred mode of the present invention, the first frame 105 and the second frame 106 are matched with the inhalation check valve 202 and the exhalation check valve 203 .

In order to facilitate assembly and routine maintenance of the oral-nose cover 2 , the inhalation check valve 202 and the exhalation check valve 203 are detachably installed on the cover body 201 .

The following are the preferred structures of the inhalation check valve 202 and the exhalation check valve 203:

The inhalation check valve 202 and the exhalation check valve 203 both include a casing 206 and a diaphragm 204, wherein the casing 206 includes a straight cylinder portion 2064 and a membrane panel 2065, and the straight cylinder portion 2064 is provided with through holes penetrating both ends, and the membrane The panel 2065 is arranged on the straight cylinder portion 2064, the membrane panel 2065 is provided with a vent 2066, the membrane 204 is mounted on the membrane panel 2065, and the membrane 204 covers the entire vent 2066, and the end of the housing 206 is provided with a method Lan 2061.

A ventilation groove 207 is provided on the side wall of the straight cylinder part 2064 of the suction check valve 202, and the ventilation groove 207 is arranged at one end of the straight cylinder part 2064 away from the end flange 2061; during installation, the straight cylinder part of the suction check valve 202 The end of 2064 away from the end flange 2061 supports the outer layer 102 of the mask, so that the outer layer 102 of the mask and the inner layer 101 of the mask are stretched to form a suction channel with a larger capacity, and the ventilation groove 207 is used for suction. The entire mask outer layer 102 other than the second frame 106 is used as an inhalation filter surface, which increases the inhalation volume and makes the exhalation more smooth and comfortable.

The membrane panel 2065 is arranged parallel to the end flange 2061 to ensure that the membrane 204 can perfectly cover the vent 2066 with each breath.

In order to facilitate the installation and routine maintenance and replacement of the diaphragm 204, further, the inhalation check valve 202 and the exhalation check valve 203 further include a diaphragm fixing seat 205, and the diaphragm fixing seat 205 includes a pressing plate 2051, and the A pin 2053 is provided in the thickness direction, a first circular hole 2041 for the pin 2053 to pass through is provided on the diaphragm 204, and a second circular hole 2067 for the pin 2053 to pass through is provided on the membrane panel 2065. An interference fit is used between 2053 and the second round hole 2067 .

In order to increase the stability of the fixing of the diaphragm 204, the number of the pins 2053 is at least two.

In order to facilitate installation and removal of the pressing plate 2051, a handle 2052 is provided on the pressing plate 2051.

In order to realize the quick assembly of the inhalation check valve 202 and the exhalation check valve 203 to the sleeve body 1, and to facilitate the quick disassembly of the inhalation one-way valve 202 and the exhalation one-way valve 203, the sleeve body 201 is provided with a There are inhalation check valve mounting holes 2011 and exhalation check valve mounting holes 2012 , and third frames 2013 are provided around the inhalation check valve mounting holes 2011 and the exhalation check valve mounting holes 2012 .

In order to realize the quick assembly and disassembly between the mouth-nose cover 2 and the mask body 1, the outer side wall of the straight cylinder part 2064 is provided with a boss that surrounds the straight cylinder part 2064 at one end close to the end flange 2061. The stage is provided with a first annular groove 2062 and a second annular groove 2063, and the first frame 105 and the third frame 2013 are clamped and sealed in the first annular groove 2062 and the second annular groove 2063, respectively.

In order to realize rapid assembly and disassembly between the mouth-nose cover 2 and the mask body 1 , one end of the straight cylinder portion 2064 away from the end flange 2061 is clamped and sealed in the second frame 106 .

Example 2:

As shown in Fig. 5-Fig. 7 and Fig. 8-Fig. 18, the concrete structure of the present invention as an ordinary anti-haze and dust-proof mask is:

A new type of mask for separating inhalation and exhalation, which comprises a mask body 1 and ear loops arranged on the left and right sides of the mask body 1, the inner side of the mask body 1 is provided with a mouth and nose cover 2, the mouth and nose cover 2 and the mask body 1 Removable connection is adopted between them; the mouth and nose cover 2 includes a cover body 201 that surrounds the mouth and nose, the cover body 201 is in line with the contour of the human face, and the cover body 201 is provided with an inhalation check valve 202 and an exhalation check valve 201. Air one-way valve 203; mask body 1 includes mask inner layer 101 and mask outer layer 102;

The inner layer 101 of the mask is provided with an inlet valve insertion port 103 and an outlet valve insertion port 104, and the peripheries of the inlet valve insertion port 103 and the air outlet valve insertion port 104 are respectively matched for use with the inhalation check valve 202 and the exhalation valve. The first frame 105 to which the gas one-way valve 203 is sealed and connected;

The straight tube portion 2064 stretches the inner layer 101 of the mask and the outer layer 102 of the mask, and can obtain the largest space for inhalation and exhalation after being stretched, which promotes smooth exhalation and greater comfort.

In the exhalation state, the distance C between the maximum opening position A of the diaphragm 204 in the exhalation one-way valve 203 and the end B of the straight cylinder portion 2064 is at least 5 mm, so that the exhaust gas exhaled by the human body passes through the exhalation one-way valve. When inhaling, a part of the exhaust gas always stays in the straight cylinder. When the inhalation action is performed, when the diaphragm in the exhalation check valve is closed, the outside air will not be directly inhaled, but will be inhaled by itself to discharge the exhaust gas staying in the straight cylinder. , thus improving the safety of breathing.

In order to improve the comfort of air outlet, an air outlet is provided on the outer layer 102 of the mask, and a second frame 106 is arranged at the air outlet, and a screen 107 is arranged inside the second frame 106 .

In order to realize the close combination of the first frame 105 and the inner layer 101 of the mask, the first frame 105 is welded on the inner layer 101 of the mask by using an ultrasonic welding machine.

In order to realize the close combination of the second frame 106 and the outer layer 102 of the mask, the second frame 106 is welded on the outer layer 102 of the mask by using an ultrasonic welding machine.

The shape of the first frame 105 and the second frame 106 is a rectangle. As a preferred mode of the present invention, the first frame 105 and the second frame 106 are matched with the inhalation check valve 202 and the exhalation check valve 203 .

In order to facilitate assembly and routine maintenance of the oral-nose cover 2 , the inhalation check valve 202 and the exhalation check valve 203 are detachably installed on the cover body 201 .

The following are the preferred structures of the inhalation check valve 202 and the exhalation check valve 203:

The inhalation check valve 202 and the exhalation check valve 203 both include a casing 206 and a diaphragm 204, wherein the casing 206 includes a straight cylinder portion 2064 and a membrane panel 2065, and the straight cylinder portion 2064 is provided with through holes penetrating both ends, and the membrane The panel 2065 is arranged on the straight cylinder portion 2064, the membrane panel 2065 is provided with a vent 2066, the membrane 204 is mounted on the membrane panel 2065, and the membrane 204 covers the entire vent 2066, and the end of the housing 206 is provided with a method Lan 2061.

A ventilation groove 207 is provided on the side wall of the straight cylinder part 2064 of the suction check valve 202, and the ventilation groove 207 is arranged at one end of the straight cylinder part 2064 away from the end flange 2061; during installation, the straight cylinder part of the suction check valve 202 The end of 2064 away from the end flange 2061 supports the outer layer 102 of the mask, so that the outer layer 102 of the mask and the inner layer 101 of the mask are stretched to form a suction channel with a larger capacity, and the ventilation groove 207 is used for suction. The entire mask outer layer 102 other than the second frame 106 is used as an inhalation filter surface, which increases the inhalation volume and makes the exhalation more smooth and comfortable.

The membrane panel 2065 is arranged parallel to the end flange 2061 to ensure that the membrane 204 can perfectly cover the vent 2066 with each breath.

In order to facilitate the installation and routine maintenance and replacement of the diaphragm 204, further, the inhalation check valve 202 and the exhalation check valve 203 further include a diaphragm fixing seat 205, and the diaphragm fixing seat 205 includes a pressing plate 2051, and the A pin 2053 is provided in the thickness direction, a first circular hole 2041 for the pin 2053 to pass through is provided on the diaphragm 204, and a second circular hole 2067 for the pin 2053 to pass through is provided on the membrane panel 2065. An interference fit is used between 2053 and the second round hole 2067 .

In order to increase the stability of the fixing of the diaphragm 204, the number of the pins 2053 is at least two.

In order to facilitate installation and removal of the pressing plate 2051, a handle 2052 is provided on the pressing plate 2051.

In order to realize the quick assembly of the inhalation check valve 202 and the exhalation check valve 203 to the sleeve body 1, and to facilitate the quick disassembly of the inhalation one-way valve 202 and the exhalation one-way valve 203, the sleeve body 201 is provided with a There are inhalation check valve mounting holes 2011 and exhalation check valve mounting holes 2012 , and third frames 2013 are provided around the inhalation check valve mounting holes 2011 and the exhalation check valve mounting holes 2012 .

In order to realize the quick assembly and disassembly between the mouth-nose cover 2 and the mask body 1, the outer side wall of the straight cylinder part 2064 is provided with a boss that surrounds the straight cylinder part 2064 at one end close to the end flange 2061. The stage is provided with a first annular groove 2062 and a second annular groove 2063, and the first frame 105 and the third frame 2013 are clamped and sealed in the first annular groove 2062 and the second annular groove 2063, respectively.

In order to realize rapid assembly and disassembly between the mouth-nose cover 2 and the mask body 1 , one end of the straight cylinder portion 2064 away from the end flange 2061 is clamped and sealed in the second frame 106 .

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only which elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus.

Specific examples are used herein to illustrate the principles and implementations of the present invention, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention. The above are only the preferred embodiments of the present invention. It should be pointed out that due to the limited expression of words, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principles of the present invention However, some improvements, modifications or changes can also be made, and the above-mentioned technical features can also be combined in an appropriate manner; these improvements, modifications, or combinations, or the concept and technical solutions of the invention are directly applied to other occasions without improvement. should be regarded as the protection scope of the present invention.

Claims (10)

1. A novel mask for separating inspiration from expiration comprises a mask body (1) and ear loops arranged on the left side and the right side of the mask body (1), and is characterized in that an oral-nasal sleeve (2) is arranged on the inner side of the mask body (1), and the oral-nasal sleeve (2) is detachably connected with the mask body (1); the mouth-nose sleeve (2) comprises a sleeve body (201) which surrounds the mouth and the nose in a circle, the sleeve body (201) is matched with the contour of the face of a human body, and an air suction one-way valve (202) and an air exhalation one-way valve (203) are arranged on the sleeve body (201); the mask body (1) comprises a mask inner layer (101) and a mask outer layer (102);

the mask inner layer (101) is provided with an air inlet valve insertion hole (103) and an air outlet valve insertion hole (104), and the peripheries of the air inlet valve insertion hole (103) and the air outlet valve insertion hole (104) are respectively matched with a first frame (105) which is used for being in sealing connection with an air suction one-way valve (202) and an air exhalation one-way valve (203);

the inspiration one-way valve (202) and the expiration one-way valve (203) are detachably arranged on the sleeve body (201).

2. The novel mask capable of separating inspiration from expiration according to claim 1, characterized in that each of the inspiration check valve (202) and the expiration check valve (203) comprises a shell (206) and a membrane (204), wherein the shell (206) comprises a straight cylinder part (2064) and a membrane face plate (2065), a through hole penetrating through both ends is arranged in the straight cylinder part (2064), the membrane face plate (2065) is arranged on the straight cylinder part (2064), a vent hole (2066) is arranged on the membrane face plate (2065), the membrane (204) is arranged at the membrane face plate (2065), and the membrane (204) covers the whole vent hole (2066).

3. The novel respirator of claim 2, wherein the straight tube (2064) is configured to hold open the inner respirator layer (101) and the outer respirator layer (102).

4. The novel respirator according to claim 3, wherein the distance (C) between the maximum opening position (A) of the diaphragm (204) of the exhalation check valve (203) and the end (B) of the straight tube portion (2064) is at least 5 mm in the exhalation state.

5. The novel mask capable of separating inspiration from expiration as claimed in claim 3, wherein when the mask is used as a medical mask, a connecting end (108) is arranged between the mask inner layer (101) and the mask outer layer (102), the connecting end (108) divides the inside of the whole mask into an independent inspiration cavity (109) and an independent expiration cavity (110), and the inspiration end of the inspiration one-way valve (202) and the expiration end of the expiration one-way valve (203) are respectively arranged in the inspiration cavity (109) and the expiration cavity (110).

6. The novel mask for separating inspiration from expiration as claimed in claim 4, wherein when the mask is not used as a medical mask, the outer layer (102) of the mask is provided with an air outlet, the air outlet is provided with a second frame (106), and the inside of the second frame (106) is provided with a screen (107).

7. The novel mask for separating inspiration from expiration as claimed in claim 5, wherein the side walls of the straight cylinder portion (2064) of the inspiration one-way valve (202) and the expiration one-way valve (203) are both provided with vent grooves (207), and the vent grooves (207) are respectively arranged at the air inlet end of the inspiration one-way valve (202) and the air outlet end of the expiration one-way valve (203).

8. The novel mask for separating inspiration from expiration as claimed in claim 6, wherein the side wall of the straight cylinder portion (2064) of the inspiration check valve (202) is provided with a vent groove (207), and the vent grooves (207) are respectively arranged at the air inlet end of the inspiration check valve (202).

9. The novel mask capable of separating inspiration from expiration according to any one of claims 7 to 8, wherein the inspiration check valve (202) and the expiration check valve (203) further comprise a diaphragm fixing seat (205), the diaphragm fixing seat (205) comprises a pressing plate (2051), a pin shaft (2053) is arranged in the thickness direction of the pressing plate (2051), a first round hole (2041) for the pin shaft (2053) to pass through is formed in the diaphragm (204), a second round hole (2067) for the pin shaft (2053) to pass through is formed in the diaphragm panel (2065), and the pin shaft (2053) and the second round hole (2067) are in interference fit.

10. The novel respirator for separating inspiration from expiration as claimed in claim 9, characterized in that a boss surrounding the straight cylinder portion (2064) is arranged on the outer side wall of the straight cylinder portion (2064) at one end near the end flange (2061), the boss is provided with a first annular groove (2062) and a second annular groove (2063), the first frame (105) and the third frame (2013) are respectively clamped and sealed in the first annular groove (2062) and the second annular groove (2063); one end of the straight cylinder part (2064) far away from the end flange (2061) is clamped and sealed in the second frame (106).

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