CN212395653U

CN212395653U - Breathing one-way valve

Info

Publication number: CN212395653U
Application number: CN202020678888.5U
Authority: CN
Inventors: 李铁铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-26
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a breathing one-way valve, which comprises an inspiration one-way valve and an expiration one-way valve; the inspiration one-way valve and the expiration one-way valve both comprise a shell and a membrane, wherein the shell comprises an end flange and a straight cylinder part, a through hole penetrating through two ends is arranged in the straight cylinder part, a membrane panel is arranged in the through hole and at one end close to the end flange, a vent hole is arranged on the membrane panel, the membrane is arranged at the membrane panel, and the membrane covers the whole vent hole; the utility model aims at providing a breathe check valve simple structure, the modern design, the equipment is convenient, is convenient for maintain, and the cost of manufacture is low, realizes one-way breathing in or exhaling.

Description

Breathing one-way valve

Technical Field

The utility model belongs to the breathing equipment field specifically is a breathe check valve.

Background

About 1 hundred million people in China have respiratory system diseases, which becomes one of four diseases harmful to human health, practical and effective protective measures and treatment methods are needed to ensure the health of the human respiratory system, reduce the pain of human diseases, relieve the medical burden of society, and ensure the health of respiration.

The mask is a sanitary product, is worn at the mouth and nose part and is used for filtering air entering the mouth and nose so as to achieve the purpose of blocking harmful gas, smell and spray from entering and exiting, and can effectively prevent dust from being inhaled and prevent respiratory infectious diseases.

The existing breathing one-way valve has the disadvantages of complex structure, high processing cost, inconvenient disassembly and maintenance and incapability of being repeatedly used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide a breathe check valve, simple structure, the modern design, the equipment is convenient, is convenient for maintain repeatedly usable, and the cost of manufacture is low, realizes one-way breathing in or exhaling.

In order to realize the above purpose, the utility model adopts the technical scheme that: the mask comprises a mask body and ear loops arranged on the left side and the right side of the mask body, wherein the inner side of the mask body is provided with a mouth-nose sleeve, and the mouth-nose sleeve is detachably connected with the mask body; the mouth-nose sleeve comprises a sleeve body which surrounds the mouth and the nose in a circle, the sleeve body is matched with the contour of the face of a human body, and an air suction one-way valve and an air exhalation one-way valve are arranged on the sleeve body; the mask body comprises a mask inner layer and a mask outer layer;

the gauze mask inlayer is provided with admission valve poling and air outlet valve poling, the periphery of admission valve poling and air outlet valve poling matches respectively and is used for with the check valve of breathing in, exhale check valve sealing connection's first frame.

The straight barrel part struts the inner layer and the outer layer of the mask, and the largest space for inhaling and exhaling can be obtained after the struts, so that the exhalation is smooth, and the comfort is stronger.

Under the expiration state, the distance C between the biggest opening position A of the diaphragm in the expiration check valve and the terminal B of straight section of thick bamboo portion is 5 mm at least, and when the waste gas of human exhalation was through the expiration check valve, the waste gas had some staying all the time in straight section of thick bamboo portion, when breathing in the action, the diaphragm was closing the in-process in the expiration check valve, and outside air can not directly be inhaled, but inhales the waste gas that oneself discharged and stayed in straight section of thick bamboo portion, consequently, has improved the security of breathing.

The utility model provides a sealed connection is adopted to gauze mask inlayer and the outer periphery of gauze mask.

The utility model can be used as a medical mask and a common protective mask.

When the utility model relates to a medical gauze mask, be provided with the link between gauze mask inlayer and the gauze mask skin, the link is cut apart into the inside of whole gauze mask independent chamber of breathing in and independent exhaling the chamber, the end of breathing in of the check valve and the end of exhaling the check valve set up respectively at the chamber of breathing in and exhaling the intracavity, the realization is breathed in and exhales one-way separation, effectively solved and breathed in and mix the problem that causes the jam to the gauze mask, it is more unobstructed to make the breathing, the repetition of waste gas has been avoided simultaneously and is inhaled.

When the utility model discloses only when regard as ordinary protective facial mask, for the happy nature that improves to give vent to anger, be equipped with the gas outlet on the gauze mask outer layer, gas outlet department is equipped with the second frame, and the inside of second frame is equipped with the screen cloth.

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

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

The shape of first frame and second frame is the rectangle, as the utility model discloses a preferred mode, first frame and second frame with breathe in the check valve and exhale the check valve phase-match.

In order to facilitate the assembly and carry out the routine maintenance to the mouth-nose sleeve, the air suction one-way valve and the air exhalation one-way valve are detachably arranged on the sleeve body.

The following are preferred configurations of the inspiration check valve and the expiration check valve:

the inspiration check valve and the expiration check valve both comprise a shell and a membrane, wherein the shell comprises a straight cylinder part and a membrane panel, through holes penetrating through two ends are formed in the straight cylinder part, the membrane panel is arranged on the straight cylinder part, a vent is formed in the membrane panel, the membrane is arranged at the membrane panel, the membrane covers the whole vent, and a flange is arranged at the end part of the shell.

The straight cylinder part and the membrane face plate are integrally formed by injection molding.

When the mask is used as a medical mask, the straight cylinder side walls of the inspiration one-way valve and the expiration one-way valve are both provided with vent grooves, and the vent grooves are respectively arranged at the air inlet end of the inspiration one-way valve and the air outlet end of the expiration one-way valve.

When the mask is used as a common protective mask, the side wall of the straight cylinder part of the air suction one-way valve is provided with vent grooves which are respectively arranged at the air inlet end of the air suction one-way valve; during the installation, the one end that the tip flange was kept away from to straight section of thick bamboo portion in the check valve of breathing in supports the gauze mask skin, makes the outer and the gauze mask inlayer of gauze mask strut and forms the great inspiratory channel of capacity, and the air channel breathes in, has utilized the outer filtering surface of breathing in of whole gauze mask except that the second frame this moment, has improved the volume of breathing in, makes more unblocked, comfortable exhaling.

When breathing at every turn, in order to ensure that the diaphragm can perfectly cover the ventilation opening, the membrane panel is arranged in parallel with the end flange.

In order to facilitate the installation and the daily maintenance and replacement of the diaphragm, the inspiration check valve and the expiration check valve further comprise a diaphragm fixing seat, the diaphragm fixing seat comprises a pressing plate, a pin shaft is arranged in the thickness direction of the pressing plate, a first round hole used for the pin shaft to penetrate through is formed in the diaphragm, a second round hole used for the pin shaft to penetrate through is formed in the diaphragm panel, and the pin shaft and the second round hole are in interference fit.

In order to increase the stability of diaphragm fixed, the quantity of round pin axle is two at least.

In order to facilitate the installation and the taking out of the pressing plate, the pressing plate is provided with a handle.

For the quick assembly of the check valve of breathing in and exhaling the check valve to the cover body, and conveniently breathe in the quick dismantlement of check valve and exhaling the check valve, be equipped with on the cover body and breathe in the check valve mounting hole and exhale the check valve mounting hole, breathe in the check valve mounting hole and exhale the periphery of check valve mounting hole and all be provided with the third frame.

For realizing fast assembly and dismantlement between oral-nasal cover and the gauze mask body, be provided with the boss that encircles straight section of thick bamboo round on the lateral wall of straight section of thick bamboo portion and in the one end that is located near the end flange, be provided with first ring channel and second ring channel on the boss, first frame and third frame block respectively and establish sealed in first ring channel and second ring channel.

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

The utility model has the advantages that:

1. the utility model provides a pair of breathe check valve, simple structure, the modern design, the equipment is convenient, is convenient for maintain, repeatedly usable, the cost of manufacture is low, realizes one-way breathing in or exhale.

2. The utility model provides a pair of breathe check valve, the diaphragm can be dismantled fast and change, and the disinfection is convenient, is difficult for hiding dirty and dirty.

Drawings

Fig. 1 is a front view of the utility model as a common protective mask.

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

Fig. 3 is a schematic view of the outer layer of the mask of the present invention when used as a common protective mask.

Fig. 4 is a schematic structural view of the installation of the nose-mouth sleeve and the mask body when the utility model is used as a common protective mask.

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

Fig. 6 is a schematic view of the structure of the mask body and the nose and mouth cover of the medical mask of the present invention.

Fig. 7 is a schematic view of the planar structure of the inner layer of the mask for medical use of the present invention.

Fig. 8 is a schematic view of the three-dimensional structure of the middle mouth-nose cover of the present invention.

Fig. 9 is a schematic perspective view of the middle sleeve body of the present invention.

Fig. 10 is an assembly schematic view of the middle suction check valve of the present invention.

Fig. 11 is a schematic view of the three-dimensional structure of the middle suction check valve of the present invention when the assembly is completed.

Fig. 12 is an assembly diagram of the exhalation check valve of the present invention.

Fig. 13 is a schematic view of the three-dimensional structure of the exhalation check valve of the present invention when the assembly is completed.

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

Fig. 15 is a side view of the exhalation check valve of the present invention.

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

Fig. 17 is a schematic perspective view of the middle diaphragm fixing base of the present invention.

Fig. 18 is a schematic sectional view of the middle respiratory check valve of the present invention in an expiratory state.

Fig. 19 is a schematic view of the outer layer of the mask when the mask is used as a medical mask.

The text labels in the figures are represented as: 1. a mask body; 2. a mouth-nose sleeve; 101. an inner layer of the mask; 102. an outer layer of the mask; 103. an air inlet valve insertion opening; 104. the air outlet valve is inserted into the socket; 105. a first frame; 106. a second frame; 107. screening a screen; 108. a connecting end; 109. an air suction cavity; 110. an exhalation chamber; 201. a sleeve body; 202. an air suction check valve; 203. an expiratory check valve; 204. a membrane; 205. a diaphragm fixing seat; 206. a housing; 207. a vent channel; 2011. a suction check valve mounting hole; 2012. an expiratory check valve mounting hole; 2051. pressing a plate; 2052. a handle; 2053. a pin shaft; 2061. an end flange; 2062. a first annular groove; 2063. a second annular groove; 2064. a straight tube portion; 2065. a film panel; 2066. and (4) a vent.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Example 1:

as shown in fig. 1-4 and 8-18, the specific structure of the medical mask of the present invention is:

the mask comprises a mask body 1 and ear loops arranged on the left side and the right side of the mask body 1, wherein the inner side of the mask body 1 is provided with a mouth-nose sleeve 2, and the mouth-nose 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;

gauze mask inlayer 101 is provided with admission valve and air outlet valve and passes socket 103 and air outlet valve and pass socket 104, the first frame 105 that is used for with inhaling check valve 202, exhale check valve 203 sealing connection is worn to the periphery of admission valve and passes socket 103 and air outlet valve respectively and matches.

The straight tube 2064 can open the inner mask layer 101 and the outer mask layer 102, so that the largest air suction and exhaling space can be obtained after opening, the exhaling is smooth, and the comfort is higher.

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 tail end B of the straight cylinder portion 2064 is at least 5 mm, so that when the exhaust gas exhaled by a human body passes through the exhalation one-way valve, a part of the exhaust gas stays in the straight cylinder portion all the time, and when the exhaust gas inhales, in the closing process of the diaphragm in the exhalation one-way valve, the external air is not directly inhaled, but the exhaust gas exhausted to stay in the straight cylinder portion is inhaled by the user, so that the safety of breathing is improved.

The side walls of the straight cylinder portions 2064 of the inspiration one-way valve 202 and the expiration one-way valve 203 are respectively provided with a vent groove 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. Be provided with link 108 between gauze mask inlayer 101 and the gauze mask skin 102, link 108 is cut apart into independent breathing in chamber 109 and independent exhale chamber 110 with the inside of whole gauze mask, the end of breathing in of check valve 202 and the end of exhaling check valve 203 set up respectively in breathing in chamber 109 and exhaling chamber 110, the realization is breathed in and is exhaled one-way separation, effectively solved and exhale and breathe in the mixed problem that causes the jam to the gauze mask, it is more unobstructed to make the breathing, the repeated breathing of waste gas has been avoided simultaneously.

In order to achieve the close bonding of the first frame 105 and the mask inner layer 101, the first frame 105 is welded to the mask inner layer 101 by an ultrasonic welding machine.

In order to achieve the tight bonding of the second frame 106 and the mask outer layer 102, the second frame 106 is welded to the mask outer layer 102 by an ultrasonic welding machine.

The first frame 105 and the second frame 106 are rectangular in shape, and in a preferred embodiment 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.

To facilitate assembly and routine maintenance of the oronasal sleeve 2, an inspiration check valve 202 and an expiration check valve 203 are removably mounted on the sleeve body 201.

The following are preferred configurations of the inspiration check valve 202 and the expiration check valve 203:

the inhalation one-way valve 202 and the exhalation one-way valve 203 each include a housing 206 and a diaphragm 204, wherein the housing 206 includes a straight cylinder portion 2064 and a diaphragm face plate 2065, a through hole penetrating through both ends is provided in the straight cylinder portion 2064, the diaphragm face plate 2065 is provided on the straight cylinder portion 2064, a vent 2066 is provided on the diaphragm face plate 2065, the diaphragm 204 is mounted on the diaphragm face plate 2065, the diaphragm 204 covers the whole vent 2066, and a flange 2061 is provided at an end portion of the housing 206.

A vent groove 207 is provided in the side wall of the straight cylinder portion 2064 of the intake check valve 202, and the vent groove 207 is provided at the end of the straight cylinder portion 2064 remote from the end flange 2061; when the breathing check valve 202 is installed, one end, far away from the end flange 2061, of the straight cylinder portion 2064 in the breathing check valve 202 supports the mask outer layer 102, the mask outer layer 102 and the mask inner layer 101 are unfolded to form a breathing passage with large capacity, the ventilation groove 207 breathes in, at the moment, the whole mask outer layer 102 except the second frame 106 is used as a breathing filtering surface, the breathing amount is improved, and the breathing is more smooth and comfortable.

To ensure that the membrane 204 perfectly covers the vent aperture 2066 during each breath, the membrane face plate 2065 is positioned parallel to the end flange 2061.

In order to facilitate the installation and the routine maintenance and replacement of the diaphragm 204, further, the air suction one-way valve 202 and the air exhalation one-way valve 203 further include a diaphragm fixing seat 205, the diaphragm fixing seat 205 includes 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 arranged on the diaphragm 204, a second round hole 2067 for the pin shaft 2053 to penetrate through is arranged on the diaphragm face plate 2065, and the pin shaft 2053 and the second round hole 2067 are in interference fit.

To increase the stability of the fixation of the diaphragm 204, the number of the pins 2053 is at least two.

To facilitate installation and removal of the pressure plate 2051, a handle 2052 is provided on the pressure plate 2051.

In order to realize inhaling check valve 202 and exhaling check valve 203's fast assembly to cover body 1 to and conveniently inhale check valve 202 and exhale the quick dismantlement of check valve 203, be equipped with on the cover body 201 and inhale check valve mounting hole 2011 and exhale check valve mounting hole 2012, inhale the periphery of check valve mounting hole 2011 and exhale check valve mounting hole 2012 and all be provided with third frame 2013.

In order to realize the quick assembly and disassembly between the mouth-nose sleeve 2 and the mask body 1, a boss surrounding the straight cylinder 2064 is arranged on the outer side wall of the straight cylinder 2064 and at one end near the end flange 2061, a first annular groove 2062 and a second annular groove 2063 are arranged on the boss, and 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.

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

Example 2:

as shown in fig. 5-7 and 8-18, the specific structure of the utility model as a common anti-haze and anti-dust mask is:

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, wherein 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;

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

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A respiratory check valve, characterized in that it comprises an inspiration check valve (202) and an expiration check valve (203); the inspiration one-way valve (202) and the expiration one-way valve (203) both comprise a shell (206) and a membrane (204), wherein the shell (206) comprises a straight cylinder part (2064) and a membrane panel (2065), through holes penetrating through two ends are formed in the straight cylinder part (2064), the membrane panel (2065) is arranged on the straight cylinder part (2064), a vent hole (2066) is formed in the membrane panel (2065), the membrane (204) is arranged at the membrane panel (2065), and the membrane (204) covers the whole vent hole (2066).

2. A one-way breathing valve according to claim 1, characterised in that the side wall of the straight body portion (2064) of the one-way breathing valve (202) is provided with a vent channel (207), the vent channel (207) being provided at the end of the straight body portion (2064) remote from the end flange (2061).

3. A respiratory check valve according to claim 1, characterized in that the membrane panel (2065) is arranged parallel to the end flange (2061).

4. The breathing check valve according to claim 1, wherein the breathing check valve (202) and the breathing 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 face plate (2065), and the pin shaft (2053) and the second round hole (2067) are in interference fit.

5. A respiratory check valve according to claim 4 wherein the number of pins (2053) is at least two.

6. A respiratory check valve according to claim 4 wherein the pressure plate (2051) is provided with a handle (2052).

7. The respiratory check valve according to any of claims 1 to 6, wherein the straight barrel portion (2064) and the membrane face plate (2065) are integrally injection molded.

8. A respiratory check valve according to claim 7 wherein the end of the housing (206) is further provided with a flange (2061) to facilitate installation.