Flow-limiting respirator

Abstract

The utility model relates to a flow-limiting respirator which comprises a main breathing pipeline, an expiration branch and an inspiration branch. The breathing main pipeline comprises a breathing main pipe, a breathing movable pipe, a nose blocking assembly and a sputum collecting assembly; the nose blocking assembly comprises a positioning plate, a supporting plate and a nose blocking block; the sputum collecting assembly comprises a sputum sliding pipe and a handheld sputum storage pipe. The air suction branch comprises an air suction valve, a flow limiting adjusting valve and a filtering assembly. The expiration branch comprises an expiration valve, a flow limiting adjusting valve and a bent pipe. According to the utility model, the expiration branch and the inspiration branch are divided into different pipelines, so that cross mixing of expired gas and inspired gas is reduced, saliva or droplets brought out of the expired gas and dust and droplets in the inspired gas are filtered, and the risk of pulmonary infection is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of respirator structure, and particularly relates to a flow-limited respirator. BACKGROUND

[0002] Flow-limited breathing refers to limiting the amount of exhaled and inhaled air, promoting deep breathing during lung breathing, so as to exercise lung muscle function, improve lung capacity and cardiopulmonary function. Usually, when flow-limited breathing is performed, a balloon, a water bottle or a flow-limited respirator can be used. However, the exhalation pipeline and the inhalation pipeline of the conventional flow-limited respirator share the same pipeline. In the exhalation process, part of the saliva or droplets is easily introduced into the pipeline due to the need to increase the exhalation strength, and is inhaled into the lung in the inhalation process, which easily causes cross infection. Similarly, external dust and droplets are easily introduced into the lung along with external air in the inhalation process, which causes infection. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a flow-limited respirator, which separates the exhalation pipeline and the inhalation pipeline, reduces the cross mixing of exhaled and inhaled air, and filters the saliva or droplets carried in the exhaled air and the dust and droplets in the inhaled air, thereby reducing the risk of lung infection.

[0004] The utility model adopts the technical scheme of a flow-limited respirator, which comprises a breathing main pipeline, an exhalation branch and an inhalation branch. The breathing main pipeline comprises a breathing main pipe, a breathing movable pipe, a nose-plugging assembly and a sputum collecting assembly. The breathing main pipe is sleeved outside the breathing movable pipe. The breathing movable pipe extends out of the breathing main pipe at one end and is provided with a lip-pressing plate at a position close to the end. The nose-plugging assembly comprises a positioning plate, a supporting plate and a nose-plugging block. The positioning plate is arranged on the breathing main pipe. One end of the supporting plate is connected with the nose-plugging block, and the other end is movably connected with the positioning plate. The sputum collecting assembly comprises a sputum collecting pipe and a hand-held sputum storage pipe. One end of the sputum collecting pipe is connected with the breathing main pipe, and the other end is detachably connected with the hand-held sputum storage pipe.

[0005] The inhalation branch comprises an inhalation valve, a flow-limiting adjusting valve and a filtering assembly. The inhalation valve is connected with the breathing main pipeline and the flow-limiting adjusting valve. The inhalation valve is opened during inhalation and closed during exhalation. The flow-limiting adjusting valve is further connected with the filtering assembly. The flow-limiting adjusting valve is used for adjusting the flow of the gas, and the filtering assembly is used for filtering the dust in the external air.

[0006] The exhalation branch comprises an exhalation valve, a flow-limiting adjusting valve and a bent pipe. The exhalation valve is connected with the inhalation valve and the flow-limiting adjusting valve. The exhalation valve is opened during exhalation and closed during inhalation. The flow-limiting adjusting valve is further connected with the bent pipe. The flow-limiting adjusting valve is used for adjusting the flow of the gas, and the bent pipe extends in the horizontal direction with the bent opening.

[0007] Further, the inhalation valve and the exhalation valve are identical in structure, comprising a shell, a flat top cover, a pot-shaped movable disc, a vertical connecting rod and a stabilizer; the shell is internally provided with a chamber with a bottom matched with the pot-shaped movable disc, the flat top cover is arranged on the top of the shell, and the side surface and the bottom surface of the shell are respectively provided with a first gas channel and a second gas channel communicated with the chamber; one end of the vertical connecting rod is connected with the pot-shaped movable disc, and the other end is connected with the stabilizer.

[0008] Further, the flow-limiting regulating valve comprises a valve body, a valve cover, a valve column and a valve hole, the valve cover is arranged on the top end of the valve body, two valve holes are oppositely arranged on the side surface of the valve body, the valve body is a hollow valve body, the valve column is arranged in the valve body and can rotate in the valve body, the top end of the valve body is provided with an adjusting groove, and the position of the valve body with the same height as the valve hole is provided with a gas adjusting channel with a cross section matched with the valve hole.

[0009] Further, the breathing main pipe and the breathing movable pipe are both elliptical pipe bodies.

[0010] Further, the stabilizer is centrally symmetrical about the connecting point of the stabilizer and the vertical connecting rod.

[0011] Further, the adjusting groove is a one-letter-shaped groove or a cross-shaped groove.

[0012] Further, the filtering assembly comprises a tight-mouthed spherical filter cover and a spherical support, the tight-mouthed spherical filter cover wraps the spherical support and is connected with the flow-limiting regulating valve on the inhalation branch.

[0013] Further, a pipe nozzle is further sleeved on one end of the breathing movable pipe close to the lip-attaching plate, one end of the pipe nozzle is in a plugging state, and breathing small holes are arranged on both sides of the plugging end, and the breathing small holes are communicated with the breathing movable pipe.

[0014] The beneficial effects of the utility model lie in that: the utility model divides the exhalation branch and the inhalation branch into different pipelines, reduces the cross mixing of exhaled gas and inhaled gas, and sets a sputum collecting assembly on the part of the breathing main pipeline where the inhaled gas and the inhaled gas are mixed to collect the saliva and droplets; the gas outlet end of the exhalation branch is guided through a bent pipe to avoid the flow direction of the exhaled gas to the gas inlet end of the inhalation branch, and the gas inlet end of the gas inlet branch filters the inhaled gas through a filtering assembly, thereby reducing the risk of lung infection; the flow of exhaled gas and the flow of inhaled gas can be regulated through the flow-limiting regulating valve, thereby adapting to the physical conditions of different users, having high practicability, and regularly performing flow-limiting breathing through the utility model, which can effectively improve the heart-lung function and enhance the lung immunity. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0016] Figure 1 It is a front view of the embodiment of the present application.

[0017] Figure 2 It is a top view of the embodiment of the present application.

[0018] Figure 3 It is a structure schematic view of the air suction valve in the embodiment of the present application.

[0019] Figure 4 It is a structure schematic view of the air exhaust valve in the embodiment of the present application.

[0020] Figure 5 It is a structure schematic view of the flow-limiting regulating valve in the embodiment of the present application.

[0021] Figure 6 It is a top view of the flow-limiting regulating valve in the embodiment of the present application.

[0022] Figure 7 It is a cross-sectional structure schematic view of the nozzle in the embodiment of the present application.

[0023] Figure 8 It is a structure schematic view of the stabilizing frame in the embodiment of the present application.

[0024] Explanation of the reference signs: 1-breathing main pipe, 2-breathing movable pipe, 3-lip-attached plate, 4-positioning plate, 5-supporting plate, 6-nose-plugging block, 7-sputum-drawing pipe, 8-hand-holding sputum-storing pipe, 9-air suction valve, 10-flow-limiting regulating valve, 11-air exhaust valve, 12-bent pipe, 13-housing, 14-flat-top buckle cover, 15-pot-shaped movable disc, 16-vertical connecting rod, 17-stabilizing frame, 18-chamber, 19-first gas passage, 20-second gas passage, 21-valve body, 22-valve cover, 23-valve column, 24-valve hole, 25-regulating groove, 26-gas-regulating passage, 27-tight-mouth spherical filter cover, 28-spherical support, 29-nozzle, 30-breathing small hole. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above objectives, features and advantages of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways different from those described herein, and therefore the present application is not limited to the specific embodiments disclosed below.

[0026] Unless otherwise defined, technical terms or scientific terms used herein shall have the ordinary meanings as understood by one of ordinary skill in the art to which this application pertains. The terms "first", "second", and similar terms as used in the description and the claims of this patent application do not necessarily mean any order, number or importance, but are only used to distinguish different components. Similarly, the terms "one" or "a" or similar terms do not mean a quantity limitation, but mean the presence of at least one. The terms "connected" or "connected" or similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right", etc. are only used to represent relative positional relationships, which change accordingly when the absolute positions of the described objects change.

[0027] As shown in Figures 1-8 A flow-limited respirator includes a breathing main pipeline, an exhalation branch and an inhalation branch. The breathing main pipeline includes a breathing main pipe 1, a breathing active pipe 2, a nose-plugging assembly and a sputum collecting assembly. The breathing main pipe 1 is sleeved outside the breathing active pipe 2. The breathing active pipe 2 extends out of the breathing main pipe 1 at one end and is provided with a lip-pressing plate 3 at a position close to the end. In the embodiment of the present application, the breathing main pipe 1 and the breathing active pipe 2 are both elliptical pipe bodies, which can avoid mutual rotation of the breathing main pipe 1 and the breathing active pipe 2 after being sleeved, thereby avoiding generation of a gap due to friction between the breathing main pipe 1 and the breathing active pipe 2.

[0028] The nose-plugging assembly includes a positioning plate 4, a supporting plate 5 and a nose-plugging block 6. The positioning plate 4 is arranged on the breathing main pipe 1. One end of the supporting plate 5 is connected with the nose-plugging block 6, and the other end is movably connected with the positioning plate 4. The nose-plugging block 6 is a soft, elastic and air-tight block. The supporting plate 5 is used for supporting the nose-plugging block 6 and can be slightly rotated along the positioning plate 4, so that different patients can fully plug the nostrils when using, thereby preventing gas from entering and exiting through the nasal cavity, and achieving the effect of flow-limited breathing. The sputum collecting assembly includes a sputum collecting pipe 7 and a hand-held sputum storage pipe 8. One end of the sputum collecting pipe 7 is connected with the breathing main pipe 1, and the other end is detachably connected with the hand-held sputum storage pipe 8. The sputum collecting pipe 7 is used for intercepting saliva or sputum exhaled from the oral cavity during exhalation and guiding the saliva or sputum into the hand-held sputum storage pipe 8 for collection. After use, the sputum collecting pipe 7 and the hand-held sputum storage pipe 8 can be detached for cleaning or replacement.

[0029] The air suction branch comprises an air suction valve 9, a flow regulating valve 10 and a filter assembly, the air suction valve 9 is connected with the breathing main pipeline and the flow regulating valve 10, the air suction valve 9 is opened during air suction and closed during air exhalation, the flow regulating valve 10 is further connected with the filter assembly, the flow regulating valve 10 is used for adjusting the flow of the flowing gas, and the filter assembly is used for filtering dust in external air.

[0030] The air exhalation branch comprises an air exhalation valve 11, a flow regulating valve 10 and a curved pipe 12, the air exhalation valve 11 is connected with the air suction valve 9 and the flow regulating valve 10, the air exhalation valve 11 is opened during air exhalation and closed during air suction, the flow regulating valve 10 is further connected with the curved pipe 12, the flow regulating valve 10 is used for adjusting the flow of the flowing gas, and the curved pipe 12 is used for guiding the exhaled gas to avoid flowing to the air suction end of the air suction branch.

[0031] In the embodiment of the utility model, the air suction valve 9 and the air exhalation valve 11 are the same in structure, comprising a shell 13, a flat top buckle cover 14, a pot-shaped movable disc 15, a vertical connecting rod 16 and a stabilizing frame 17, a chamber 18 with a bottom matched with the pot-shaped movable disc 15 is arranged in the shell 13, the flat top buckle cover 14 is arranged at the top of the shell 13, the side surface and the bottom surface of the shell 13 are respectively provided with a first gas channel 19 and a second gas channel 20 in communication with the chamber 18, the first gas channel 19 is used for air inlet, and the second gas channel 20 is used for air outlet, one end of the vertical connecting rod 16 is connected with the pot-shaped movable disc 15, and the other end is connected with the stabilizing frame 17. In the unused state, the pot-shaped movable disc 15 is attached to the bottom surface of the chamber 18, the first gas channel 19 is blocked, and the gas is prevented from entering the air suction valve 9 or the air exhalation valve 11, at this time, the air suction valve 9 or the air exhalation valve 11 is in the closed state; when the pot-shaped movable disc 15 is separated from the bottom surface of the chamber 18, the first gas channel 19 is opened, the gas enters the air suction valve 9 or the air exhalation valve 11, at this time, the air suction valve 9 or the air exhalation valve 11 is in the opened state. The stabilizing frame 17 is used for balancing the pot-shaped movable disc 15, so that the pot-shaped movable disc 15 moves vertically in the chamber 18, and side turning is avoided; preferably, the shape of the stabilizing frame 17 is centrally symmetrical about the connecting point of the stabilizing frame 17 and the vertical connecting rod 16, in the embodiment of the utility model, the shape of the stabilizing frame 17 is set as a cross type.

[0032] The flow-limiting regulating valve 10 comprises a valve body 21, a valve cover 22, a valve stem 23 and a valve hole 24, the valve cover 22 is arranged at the top end of the valve body 21, two valve holes 24 are oppositely arranged on the side of the valve body 21, the valve body 21 is a hollow valve body 21, the valve stem 23 is arranged in the valve body 21 and can rotate in the valve body 21, an adjusting groove 25 is arranged at the top end of the valve body 21, and a gas adjusting channel 26 with a cross section matched with the valve hole 24 is arranged through the position of the valve body 21 at the same height as the valve hole 24. The valve stem 23 can be rotated by using a tool through the adjusting groove 25, so that the communication area of the valve hole 24 and the gas adjusting channel 26 is changed, the function of regulating the gas flow is realized. In order to facilitate operation, the adjusting groove 25 is preferably a straight slot or a cross slot, and a straight screwdriver or a cross screwdriver can be used for gas flow regulation. In the embodiment of the utility model, a pipe nozzle 29 is further sleeved on one end of the breathing movable pipe 2 close to the lip plate 3, one end of the pipe nozzle 29 is in a plugging state, and breathing small holes 30 are arranged on both sides of the plugging end, the breathing small holes 30 are communicated with the breathing movable pipe 2, the gas in the oral cavity is prevented from being excessively concentrated when deep breathing, and the gas is not easy to mix with the original gas in the oral cavity, so that the oral mucosa is stimulated. The pipe nozzle 29 can be used as disposable consumables, and is detachably arranged on the breathing movable pipe 2, is replaced after each use, and cross infection is avoided.

[0033] The working principle of the embodiment of the utility model is as follows:

[0034] When flow-limited breathing needs to be performed, the pipe nozzle 29 is sleeved on the breathing movable pipe 2, and the sputum collecting pipe 7 and the hand-held sputum collecting pipe 8 are mounted. The user holds the pipe nozzle 29 and tightly presses the lip plate 3 with both lips, tightly presses the nose block 6 with the nostrils, and performs flow-limited breathing by using the oral cavity. The user adjusts the gas flow size passed through the flow-limiting regulating valve 10 according to the actual situation, adjusts in place, fixes the tight-mouthed spherical filter cover 27 on the spherical support 28, and starts the flow-limited breathing movement.

[0035] When inhaling, the external air is filtered through the tight-mouthed spherical filter cover 27, flows to the inhalation valve 9 through the flow-limiting regulating valve 10, at the same time, the gas in the cavity 18 of the inhalation valve 9 is sucked away, a negative pressure is formed in the cavity 18, the pot-shaped movable disc 15 rises under the action of the air pressure of the external air, the external air flows through the first gas channel 19, the cavity 18 and the second gas channel 20 in turn, is inhaled into the lung through the breathing main pipe 1 and the breathing movable pipe 2, and the flow-limited inhalation movement is completed. During the inhalation process, the air pressure on both sides of the pot-shaped movable disc 15 in the cavity 18 of the exhalation valve 11 is always consistent, the pot-shaped movable disc 15 of the exhalation valve 11 does not move, and the exhalation valve 11 remains in a closed state.

[0036] When exhaling, the exhaled gas passes through the inhalation valve 9, presses the pot-shaped movable disc 15 in the inhalation valve 9 back to the original position, seals the first gas passage 19 of the inhalation valve 9, and makes the inhalation valve 9 return to the closed state. At the same time, the exhaled gas lifts the pot-shaped movable disc 15 in the exhalation valve 11, the exhalation valve 11 is opened, and the exhaled gas flows through the first gas passage 19, the chamber 18 and the second gas passage 20 in turn, and is discharged through the flow regulating valve 10 and the elbow pipe 12. The saliva or sputum discharged during the exhalation process is collected and stored through the sputum collection pipe 7 and the hand-held sputum storage pipe 8.

[0037] During the whole breathing process, the exhaled gas and the inhaled gas flow through different passages respectively, so as to reduce the cross mixing of the exhaled gas and the inhaled gas as much as possible, and reduce the risk of lung infection. The user repeats the deep breathing process, adjusts the use time according to the body condition, achieves the effect of exercising the lung muscle function, improving the lung capacity and the cardiopulmonary function, and can effectively improve the lung immunity.

[0038] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flow-limited respirator, characterized in that, The application relates to a breathing device, which comprises a breathing main pipeline, an exhalation branch and an inhalation branch; the breathing main pipeline comprises a breathing main pipe, a breathing movable pipe, a nose-plugging component and a sputum collecting component, the breathing main pipe is sleeved outside the breathing movable pipe, one end of the breathing movable pipe extends out of the breathing main pipe, and a lip-pressing plate is arranged at a position close to the end of the breathing movable pipe; the nose-plugging component comprises a positioning plate, a supporting plate and a nose-plugging block, the positioning plate is arranged on the breathing main pipe, one end of the supporting plate is connected with the nose-plugging block, and one end of the supporting plate is movably connected with the positioning plate; the sputum collecting component comprises a sputum collecting pipe and a hand-held sputum storing pipe, one end of the sputum collecting pipe is connected with the breathing main pipe, and the other end of the sputum collecting pipe is detachably connected with the hand-held sputum storing pipe; the inhalation branch comprises an inhalation valve, a flow-limiting adjusting valve and a filtering component, the inhalation valve is connected with the breathing main pipeline and the flow-limiting adjusting valve, the inhalation valve is opened during inhalation and closed during exhalation; the flow-limiting adjusting valve is further connected with the filtering component, the flow-limiting adjusting valve is used for adjusting the flow of the gas, and the filtering component is used for filtering dust in external air; the exhalation branch comprises an exhalation valve, a flow-limiting adjusting valve and a bent pipe, the exhalation valve is connected with the inhalation valve and the flow-limiting adjusting valve, the exhalation valve is opened during exhalation and closed during inhalation; the flow-limiting adjusting valve is further connected with the bent pipe, the flow-limiting adjusting valve is used for adjusting the flow of the gas, and the bent pipe extends in a horizontal direction.

2. A flow-limited respirator according to claim 1, wherein, the inhalation valve and the exhalation valve are the same in structure and comprise a shell, a flat-top buckle, a pot-shaped movable disc, a vertical connecting rod and a stabilizing frame; a cavity with a bottom matched with the pot-shaped movable disc is arranged in the shell, the flat-top buckle is arranged on the top of the shell, and a first gas channel and a second gas channel are arranged on the side and bottom of the shell respectively and are communicated with the cavity; one end of the vertical connecting rod is connected with the pot-shaped movable disc, and the other end of the vertical connecting rod is connected with the stabilizing frame.

3. A flow-limited respirator according to claim 1, wherein, the flow-limiting adjusting valve comprises a valve body, a valve cover, a valve column and a valve hole, the valve cover is arranged on the top end of the valve body, two valve holes are oppositely arranged on the side of the valve body, the valve body is a hollow valve body, the valve column is arranged in the valve body and can rotate in the valve body, an adjusting groove is arranged on the top end of the valve body, and a gas adjusting channel with a cross section matched with the valve hole is arranged through the position of the valve body with the same height as the valve hole.

4. A flow-limited respirator according to claim 1, wherein, the breathing main pipe and the breathing movable pipe are both elliptical pipe bodies.

5. A flow-limited respirator according to claim 2, wherein, the stabilizing frame is centrally symmetrical about the connecting point of the stabilizing frame and the vertical connecting rod.

6. A flow-limited respirator according to claim 3, wherein, the adjusting groove is a one-letter type groove or a cross type groove.

7. A flow-limited respirator according to claim 1, wherein the filtering component comprises a tight-mouth spherical filter cover and a spherical support, the tight-mouth spherical filter cover wraps the spherical support and is connected with the flow-limiting adjusting valve on the inhalation branch.

8. A flow-limited respirator according to claim 1, wherein, one end of the breathing movable pipe close to the lip-pressing plate is further sleeved with a pipe nozzle, one end of the pipe nozzle is in a blocking state, and breathing small holes are arranged on both sides of the blocking end, and the breathing small holes are communicated with the breathing movable pipe.

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