CN114632244B - Shock-absorbing structure for breathing machine - Google Patents

Shock-absorbing structure for breathing machine Download PDF

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Publication number
CN114632244B
CN114632244B CN202210328909.4A CN202210328909A CN114632244B CN 114632244 B CN114632244 B CN 114632244B CN 202210328909 A CN202210328909 A CN 202210328909A CN 114632244 B CN114632244 B CN 114632244B
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China
Prior art keywords
air
cavity
breathing mask
gas
casing
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CN202210328909.4A
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Chinese (zh)
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CN114632244A (en
Inventor
余华通
陈婷
彭新城
陈至欢
庞小婷
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GUANGDONG MEDICAL DEVICES QUALITY SURVEILLANCE AND TEST INSTITUTE
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GUANGDONG MEDICAL DEVICES QUALITY SURVEILLANCE AND TEST INSTITUTE
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Priority to CN202210328909.4A priority Critical patent/CN114632244B/en
Publication of CN114632244A publication Critical patent/CN114632244A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0683Holding devices therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0875Connecting tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/4227Manipulating filters or filter elements, e.g. handles or extracting tools

Abstract

The invention discloses a shock absorption structure for a respirator, which relates to the field of shock absorption structures for respirators and comprises a breathing mask, wherein an air pipe is arranged on the breathing mask, an air filtering source is connected onto the air pipe, a binding belt is arranged on the air filtering source, an exhaust assembly is arranged on the breathing mask, a sealing assembly is also arranged on the breathing mask, the air filtering source comprises a shell, and an aerosol separation assembly is arranged in the shell.

Description

Shock-absorbing structure for breathing machine
Technical Field
The invention relates to the field of shock absorption structures for respirators, in particular to a shock absorption structure for a respirator.
Background
Air supply respirators are often worn in environments where the ambient air contains or may contain contaminants. The clean air delivered to the wearer comes from a supply container or a powered air source that directs or drives ambient air through the air filter.
For example, chinese utility model patent publication No. CN205252345U discloses an intelligent fresh air respirator, which comprises a wearable face mask and an air purifier connected with the face mask through an air duct, wherein the air purifier is provided with an air filter inside and is equipped with a charging source, a power switch, a power indicator, a fan and other accessories.
Although the effect of carrying air can be realized to the fan as power air source in the above-mentioned scheme, nevertheless because the fan among the prior art can produce the vibration under the state of work usually, continuous vibration not only can produce the noise, moreover because air purifier carries on user's body, the user can feel the vibration of fan, and the vibration can lead to the fact uncomfortable sense to the user, reduces user's experience effect.
Therefore, it is necessary to provide a shock absorbing structure for a respirator to solve the above problems.
Disclosure of Invention
The present invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide a shock absorbing structure for a ventilator, so as to solve the problem of shock generated during the use of the ventilator.
In order to achieve the purpose, the invention provides the following technical scheme: a shock absorption structure for a respirator comprises a respirator, wherein an air pipe is arranged on the respirator, an air filtering source is connected onto the air pipe, a binding belt is arranged on the air filtering source, an exhaust assembly is arranged on the respirator, a sealing assembly is further arranged on the respirator, the air filtering source comprises a shell, and an aerosol separation assembly is arranged in the shell;
the aerosol separation component comprises an inner shell arranged in the shell, a plurality of groups of inner shells are arranged, the adjacent inner shells divide the interior of the shell into filtering chambers, the two sides of the filtering cavity respectively penetrate through the two sides of the shell, the openings on the two sides of the filtering cavity are large, the inner part of the inner shell is provided with a gas channel which penetrates through the inner shell from left to right, the two sides of the gas channel are provided with small openings, a gas collecting pipeline is fixedly arranged in the middle of the shell, the lower end of the gas collecting pipeline is fixed on the inner wall of the lower end of the shell, the upper end of the gas collecting pipeline is communicated with the lower end of the gas pipe, the lower end of the air pipe is fixed on the shell, the gas collecting pipeline in the inner shell is provided with a gas inlet assembly for gas to enter the gas collecting pipeline, a suction assembly is arranged on the gas collecting pipeline in the filtering cavity and comprises a follow-up suction unit and a driving suction unit;
the follow-up suction unit comprises a driven shaft rod which is rotatably arranged on one side of the gas collecting pipeline, the two ends of the driven shaft rod are respectively located inside the gas collecting pipeline and outside the gas collecting pipeline, one end of the driven shaft rod, which is located inside the gas collecting pipeline, is fixedly provided with a first driven fan blade, one end of the driven shaft rod, which is located outside the gas collecting pipeline, is fixedly provided with a second driven fan blade, the driving suction unit comprises a rotating unit which is fixedly welded on the other side of the gas collecting pipeline, a driving shaft is in transmission connection with the rotating unit, and a driving fan blade is fixedly arranged on the outer ring of the driving shaft.
Preferably, the inside of the inner shell is fixedly provided with a transverse partition plate, the transverse partition plate divides the inside of the inner shell into an upper cavity and a lower cavity which are distributed up and down, one end of the upper cavity, which is far away from the gas collecting pipeline, is fixedly provided with a filter cotton block for plugging a small opening at the end part of the inner shell, and water is stored in the lower cavity.
Furthermore, the device can tie an air filtering source with a vibration source on an arm or other positions through a binding band, the breathing mask is worn on the face, the air filtering source filters air and then conveys the air to the breathing mask through an air pipe for use, the phenomenon that the air filtering source drives the breathing mask to vibrate is avoided, and the breathing mask is convenient to wear and use comfortably;
in the device, the upper surface of casing is provided with the fan, and the fan sets up between trachea and gas collection pipeline, has played the purpose that induced drafts, and the air-out fan in the figure, fan are current common technique, do not describe herein any more.
Preferably, a second slot penetrating up and down and a first slot penetrating up and down are formed in the transverse partition plate, one end of the first slot is connected with a movable sealing plate in a rotating mode through a rotating shaft, a driving unit is arranged at one end of the rotating shaft and fixed to the outer portion of the inner shell, the rotating shaft is connected with the inner wall of the first slot in a rotating mode, the rotating shaft is fixed to the movable sealing plate, the length of the movable sealing plate is equal to the height between the transverse partition plate and the inner wall above the upper cavity, the length of the movable sealing plate is equal to the length of the first slot, an adding pipeline communicated with the inner portion of the lower cavity is arranged on one side of the lower end of the inner shell, an inlet communicated with the outer portion of the inner shell and an outlet communicated with the inner portion of the lower cavity are arranged on the adding pipeline, the inlet position is higher than the outlet position, and the inlet position is provided with an electromagnetic valve.
The device has the purpose of separating aerosol, so that the air conveyed to the breathing mask does not contain aerosol, the phenomenon that viruses enter the breathing mask along with the aerosol is avoided, specifically, the inner shell divides the interior of the shell into a filtering chamber, the openings on two sides of the filtering chamber are large, the openings on two sides of the inner shell are provided with small openings smaller than the openings on two sides, when the device is in actual work, the suction force in the inner shell is small, the suction force at the position of the filtering chamber is large, therefore, the aerosol with heavier mass than air can be firstly sucked into the filtering chamber from the opening at the end part of the filtering chamber, the air around the filtering chamber is simultaneously sucked into the inner shell with the small opening, and the air is smaller in suction force, so that the aerosol with heavier mass can not enter, the purpose of separating the aerosol in the air is achieved, and after the aerosol in the air is separated, clean air enters the trachea through the air inlet assembly and then is discharged into the breathing mask for use.
Preferably, the air inlet assembly comprises an inlet through hole communicated with the inside and the outside of the air collecting pipeline, the inlet through hole is communicated with the upper cavity, and a third one-way air valve for allowing air to enter the air collecting pipeline in a one-way mode is arranged in the inlet through hole.
In the device, when air is sucked by the suction provided by the fan at the joint of the air pipe and the air collecting pipeline, the air in the multiple groups of inner shells simultaneously enters the air collecting pipeline for conveying, and the air cannot flow back after being blocked by the third one-way air valve when passing through the position of the through hole, so that all the air is finally converged into the air pipe and then discharged into the breathing mask, the flow rate and the amount of the converged air are increased, therefore, the part of air can push the first driven fan blade to rotate, the first driven fan blade drives the second driven fan blade to rotate through the driven shaft rod to generate the suction when rotating, because the gas with large amount and high speed pushes the first driven fan blade to rotate, the suction generated when the second driven fan blade rotates is larger than the suction generated from the small opening position at the end part of the inner shell, at the moment, aerosol in the air can be sucked into the filtering cavity by the second driven fan blade, and the air is discharged from the opening at the other end of the filtering chamber, so that the aim of separating aerosol in the air is fulfilled, and the phenomenon that viruses are attached to the aerosol and spread is avoided.
Preferably, the exhaust assembly comprises an exhaust pipe fixed in the middle of the breathing mask, the exhaust pipe is communicated with the inside and the outside of the breathing mask, and a first one-way air valve for one-way outward discharge of air in the breathing mask is fixedly arranged in the exhaust pipe.
Specifically, the first one-way air valve in the exhaust pipe can be used for discharging the gas in the breathing mask to the outside in a one-way mode, so that the gas discharged from the exhaust pipe in the breathing mask is discharged in a one-way mode, the gas cannot enter from the exhaust pipe, and the gas entering the breathing mask is enabled to enter after being filtered by the air filtering source.
Preferably, the sealing assembly comprises a rubber sealing airbag fixed at the edge of the breathing mask, the rubber sealing airbag is respectively provided with a group at the inner ring and the outer ring of the edge of the breathing mask, and one side of the breathing mask is provided with an inflating assembly for inflating the rubber sealing airbag.
It should be noted that the rubber sealing airbag is sealed at the edge of the breathing mask, so that when the breathing mask is worn on the face, the fit position between the breathing mask and the face keeps good sealing, and the breathing mask is provided with a bandage or a hanging lug for wearing the breathing mask on the face, which is not shown in the figure and is not described herein for the existing common technology.
Preferably, the inflation assembly is including setting up in the inside gaseous cavity of rubber seal gasbag, respirator's inside is provided with the concentrated gas cavity, the intercommunication is provided with the concentrated gas pipeline in the concentrated gas cavity upper end, be provided with the gasbag on the concentrated gas pipeline, the tip of gasbag is provided with the intake pipe, be provided with the one-way pneumatic valve of second in supplying the gaseous one-way entering gasbag of outside in the intake pipe, the side intercommunication of concentrated gas cavity is provided with first interface channel, respirator's inside is provided with the installation cavity, in the first interface channel intercommunication installation cavity, the fixed joint gasket that is provided with in the installation cavity, joint gasket an organic whole sets up on rubber seal gasbag, be provided with the second interface channel of intercommunication between installation cavity and inside gaseous cavity on the joint gasket.
In operation, when the extrusion gasbag, gas in the gasbag is in proper order through concentrating the gas pipeline, concentrate the gas cavity, first interface channel, the installation cavity, the second interface channel gets into in the inside gaseous cavity, make rubber seal gasbag inflation deformation, thereby increase rubber seal gasbag's leakproofness, when the gasbag resumes deformation, gaseous quilt is inhaled from intake pipe and is supplied, second one way gas valve has guaranteed that the outside gas is supplementary in the one-way entering gasbag, thereby reach and give the purpose of rubber seal gasbag punching press when lasting the gasbag of pinching, the rubber seal gasbag is provided with two sets ofly, the leakproofness has further been increased, avoid the phenomenon that a set of rubber seal gasbag fold leakproofness reduces.
Preferably, one side of the rubber sealing air bag is provided with an air discharging pipeline, and the air discharging pipeline is connected with a sealing plug in a threaded fit mode.
Further, the deflation pipeline is not shown in the figures, is a common technology in the prior art, and is not described herein in detail, and is specifically used for deflating the rubber sealing air bag.
Preferably, the whole breathing mask is of an arc-shaped hemispherical shell structure, and an air pipe on the breathing mask is of a hose structure.
Specifically, the trachea is hose construction, and the trachea can not transmit the vibrational force for respirator when the filtration source vibration, and the shock attenuation is effectual.
Preferably, the casing is rectangle shell structure, and the inside of casing is provided with at least two sets of inside casings, the upper and lower surface both sides of inside casing all are provided with the inclined plane, and the inclined plane inclines towards the direction of height intermediate position of inside casing, follow-up suction unit and initiative suction unit are opposite in the both sides of gas collecting pipe way and are distributed.
In work, when the suction force at the opening of the filtering cavity is insufficient, the rotating unit can be started, and the rotating unit drives the driving fan blades to rotate through the driving shaft, so that the suction force is supplemented, the fan blades can be used according to actual requirements, and energy is saved;
and in the device, when the drive unit drive axis of rotation rotated, the axis of rotation drove movable sealing plate and blocks in last cavity, at this moment, the gas that gets into in the upper cavity from inside casing one end can get into down in the cavity after fluting one, conveniently carry out the humidification back to the air from the driven flabellum one discharge then from getting into the inside use of gaseous collection pipeline of entrance through hole department, the practicality is strong, add the pipeline and can give down the cavity in fill water, drive unit and rotation unit all can use devices such as servo motor.
The invention has the technical effects and advantages that:
1. according to the damping structure for the respirator, the air filtering source with the vibration source can be tied to the arm or other positions through the binding band, the respirator is worn on the face, the air filtering source filters air and then conveys the air into the respirator for use through the air pipe, the phenomenon that the air filtering source drives the respirator to vibrate is avoided, and the respirator is convenient to wear and use comfortably.
2. The invention relates to a shock-absorbing structure for a respirator, which has the purpose of separating aerosol, so that the air conveyed into a respirator does not contain the aerosol, and the phenomenon that viruses enter the respirator along with the aerosol is avoided, in particular, an inner shell divides the interior of the shell into a filtering cavity, the openings at the two sides of the filtering cavity are large, the small openings with the openings smaller than the openings at the two sides are arranged at the two sides of the inner shell, when the shock-absorbing structure is in actual work, the suction force in the inner shell is small, the suction force at the filtering cavity is large, therefore, the aerosol with the mass higher than that of air can be firstly sucked into the filtering cavity from the opening at the end part of the filtering cavity, the air around the filtering cavity is simultaneously sucked into the inner shell with the small opening, and the suction force of the air is smaller, so that the aerosol with the heavier mass cannot enter, and the purpose of separating the aerosol in the air is achieved, after the aerosol in the air is separated, clean air enters the trachea through the air inlet assembly and is discharged into the breathing mask for use.
3. The invention relates to a shock-absorbing structure for a respirator, when air is sucked by a fan at the joint of an air pipe and a gas collecting pipeline, the air in a plurality of groups of internal shells simultaneously enters the gas collecting pipeline for conveying, the air cannot flow back after being blocked by a third one-way air valve when passing through the position of a through hole, all the air is finally converged into the air pipe and then discharged to the inside of a respirator, the flow rate and the amount of the converged air are increased, therefore, the part of air can push a driven fan blade to rotate, the driven fan blade drives a driven fan blade to rotate through a driven shaft rod to generate suction when rotating, the driven fan blade pushes the driven fan blade to rotate due to the high-volume and high-speed air, the suction generated when the driven fan blade rotates is larger than the suction generated from the small opening position at the end part of the internal shell, at the moment, aerosol in the air can be sucked into a filtering chamber by the driven fan blade, and the air is discharged from the opening at the other end of the filtering chamber, so that the aim of separating aerosol in the air is fulfilled, and the phenomenon that viruses are attached to the aerosol and spread is avoided.
4. According to the damping structure for the respirator, the first one-way air valve in the exhaust pipe can be used for discharging the air in the respirator to the outside in one way, so that the air outlet in the respirator is discharged from the exhaust pipe in one way, the air cannot enter from the exhaust pipe, and the air entering the respirator is ensured to enter after being filtered by the air filtering source.
5. According to the damping structure for the respirator, when the air bag is extruded, air in the air bag sequentially enters the inner air cavity through the concentrated air pipeline, the concentrated air cavity, the first connecting channel, the mounting cavity and the second connecting channel, so that the rubber sealing air bag expands and deforms, the sealing performance of the rubber sealing air bag is improved, when the air bag recovers and deforms, the air is sucked and supplemented from the air inlet pipe, the second one-way air valve ensures that external air enters the air bag in one way for supplementation, and the purpose of stamping the rubber sealing air bag when the air bag is continuously pinched is achieved.
6. According to the damping structure for the respirator, when the suction force at the opening of the filtering cavity is insufficient, the rotating unit can be started, the rotating unit drives the driving fan blades to rotate through the driving shaft, so that the suction force is supplemented, the damping structure can be used according to actual requirements, and energy is saved.
7. According to the shock absorption structure for the respirator, when the driving unit drives the rotating shaft to rotate, the rotating shaft drives the movable sealing plate to block the upper cavity, at the moment, gas entering the upper cavity from one end of the inner shell enters the lower cavity after passing through the first groove, the gas is conveniently discharged from the driven fan blade after being humidified, then enters the gas collection pipeline from the inlet through hole for use, the practicability is high, and the lower cavity can be filled with water by the aid of the adding pipeline.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic front side view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
Fig. 6 is a schematic view of the air filtration source of the present invention.
FIG. 7 is an enlarged view of the structure at C in FIG. 6 according to the present invention.
Fig. 8 is a schematic view of the inner housing structure of the present invention.
FIG. 9 is a schematic view of the structure of the present invention when the slot is closed.
In the figure: a breathing mask 1, an air pipe 2, an air filtering source 3, a bandage 4, an exhaust pipe 5, a first one-way air valve 6, a concentrated gas chamber 7, a concentrated gas pipeline 8, an air bag 9, an air inlet pipe 10, a second one-way air valve 11, a mounting chamber 12, a connecting pad 13, a rubber sealing air bag 14, a first connecting channel 15, a second connecting channel 16, an internal gas cavity 17, a shell 18, a filtering chamber 19, a small opening 20 and an internal shell 21, the device comprises a filter cotton block 22, a follow-up suction unit 23, a driving suction unit 24, an upper cavity 25, a lower cavity 26, a gas collecting pipeline 27, a driven fan blade II 28, a driven shaft lever 29, a driven fan blade I30, a rotating unit 31, a driving fan blade 32, a driving shaft 33, an inlet through hole 34, a third one-way air valve 35, a movable sealing plate 36, a rotating shaft 37, a first notch 38, a second notch 39, an adding pipeline 40 and a transverse partition plate 41.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a shock absorption structure for a respirator, which comprises a breathing mask 1, wherein an air pipe 2 is arranged on the breathing mask 1, an air filtering source 3 is connected to the air pipe 2, a binding belt 4 is arranged on the air filtering source 3, an exhaust assembly is arranged on the breathing mask 1, a sealing assembly is also arranged on the breathing mask 1, the air filtering source 3 comprises a shell 18, and an aerosol separation assembly is arranged in the shell 18;
the aerosol separation component comprises an inner shell 21 arranged inside a shell 18, the inner shell 21 is provided with a plurality of groups, the adjacent inner shells 21 divide the inside of the shell 18 into a filtering cavity 19, two sides of the filtering cavity 19 respectively penetrate through two sides of the shell 18, openings on two sides of the filtering cavity 19 are large, a gas channel penetrating left and right is arranged inside the inner shell 21, small openings 20 are arranged on two sides of the gas channel, a gas collecting pipeline 27 is fixedly arranged in the middle of the shell 18, the lower end of the gas collecting pipeline 27 is fixed on the inner wall of the lower end of the shell 18, the upper end of the gas collecting pipeline 27 is communicated with the lower end of the gas pipe 2, the lower end of the gas pipe 2 is fixed on the shell 18, an air inlet component for gas to enter the gas collecting pipeline 27 is arranged on the gas collecting pipeline 27 inside the inner shell 21, and a suction component is arranged on the gas collecting pipeline 27 inside the filtering cavity 19, the suction assembly comprises a follow-up suction unit 23 and a driving suction unit 24;
follow-up suction unit 23 sets up the driven shaft lever 29 in gas collecting pipe 27 one side including rotating, the both ends of driven shaft lever 29 are located gas collecting pipe 27's inside and gas collecting pipe 27's outside respectively, driven shaft lever 29 is located the fixed driven flabellum 30 that is provided with of the inside one end of gas collecting pipe 27, driven shaft lever 29 is located the fixed driven flabellum two 28 that is provided with of the outside one end of gas collecting pipe 27, initiative suction unit 24 is including the rotation unit 31 of fixed welding at gas collecting pipe 27 opposite side, the transmission is connected with driving shaft 33 on the rotation unit 31, the fixed initiative flabellum 32 that is provided with in outer lane of driving shaft 33.
As shown in fig. 1 and 8, a transverse partition plate 41 is fixedly arranged inside the inner casing 21, the transverse partition plate 41 divides the inside of the inner casing 21 into an upper cavity 25 and a lower cavity 26 which are distributed up and down, a filter cotton block 22 for blocking a small opening 20 at the end of the inner casing 21 is fixedly arranged at one end of the upper cavity 25 far away from the gas collecting pipeline 27, and water is stored in the lower cavity 26.
Furthermore, the device can tie the air filtering source 3 with a vibration source on the arm or other positions through the binding band 4, the breathing mask 1 is worn on the face, the air filtering source 3 filters the air and then conveys the air to the breathing mask 1 through the air pipe 2 for use, the phenomenon that the air filtering source 3 drives the breathing mask 1 to vibrate is avoided, and the breathing mask 1 is convenient to wear and use comfortably;
in the device, the upper surface of the casing 18 is provided with a fan, the fan is arranged between the air pipe 2 and the air collecting pipeline 27, the purpose of air suction is achieved, the fan is not shown in the figure, the fan is a common prior art, and details are not described herein.
Referring to fig. 8 and 9, a second slot 39 penetrating up and down and a first slot 38 penetrating up and down are formed in the transverse partition plate 41, one end of the first slot 38 is rotatably connected with a movable sealing plate 36 through a rotating shaft 37, one end of the rotating shaft 37 is provided with a driving unit, the driving unit is fixed outside the inner shell 21, the rotating shaft 37 is rotatably connected with the inner wall of the first slot 38, the rotating shaft 37 is fixed with the movable sealing plate 36, the length of the movable sealing plate 36 is equal to the height between the transverse partition plate 41 and the inner wall above the upper cavity 25, the length of the movable sealing plate 36 is equal to the length of the first slot 38, an adding pipeline 40 communicating with the inside of the lower cavity 26 is arranged on one side of the lower end of the inner shell 21, an inlet communicating with the outside of the inner shell 21 and an outlet communicating with the inside of the lower cavity 26 are arranged on the adding pipeline 40, the inlet is higher than the outlet, and an electromagnetic valve is arranged on the inlet.
Wherein, the device has the purpose of separating aerosol, so that the air conveyed into the breathing mask 1 does not contain aerosol, thereby avoiding the phenomenon that virus enters the breathing mask 1 along with the aerosol, specifically, the inner shell 21 divides the inside of the shell 18 into a filtering chamber 19, the openings at two sides of the filtering chamber 19 are large, the small openings 20 with the openings smaller than the openings at two sides of the filtering chamber 19 are arranged at two sides of the inner shell 21, when in actual work, the suction inside the inner shell 21 is small, the suction at the position of the filtering chamber 19 is large, therefore, the aerosol with the mass heavier than air can be firstly sucked into the filtering chamber 19 from the opening at the end part of the filtering chamber 19, and the air around the filtering chamber 19 can be simultaneously sucked into the inner shell 21 with the small opening, and the air with the smaller suction force can not enter, thereby achieving the purpose of separating aerosol in the air, after the aerosol in the air is separated, clean air enters the air pipe 2 through the air inlet assembly and is discharged into the breathing mask 1 for use.
As shown in fig. 7 and 8, the air inlet assembly includes an inlet through hole 34 communicating the inside and outside of the air collecting duct 27, the inlet through hole 34 communicates with the upper cavity 25, and a third one-way air valve 35 for one-way inlet of air into the air collecting duct 27 is provided in the inlet through hole 34.
In the device, when air is sucked by the suction force provided by the fan at the connection position of the air pipe 2 and the air collecting pipeline 27, a plurality of groups of air in the inner shell 21 simultaneously enter the air collecting pipeline 27 for conveying, and the air can not flow back through the blockage of the third one-way air valve 35 when passing through the position of the through hole 34, so that all the air is finally gathered into the air pipe 2 and then discharged to the inside of the respirator 1, the flow rate of the gathered air and the amount of the air are increased, therefore, the part of air can push the driven fan blade one 30 to rotate, the driven fan blade one 30 drives the driven fan blade two 28 to rotate through the driven shaft lever 29 to generate the suction force, because the air with large amount and high speed pushes the driven fan blade one 30 to rotate, therefore, the suction force generated when the driven fan blade two 28 rotates is larger than the suction force generated from the position of the small opening 20 at the end part of the inner shell 21, at the time, aerosol in the air can be sucked and filtered in the cavity 19 by the driven fan blade two 28, and is discharged from the other end opening of the filtering chamber 19, thereby achieving the purpose of separating aerosol in the air and avoiding the phenomenon that virus is attached to the aerosol and spreads.
Referring to fig. 4, the exhaust assembly includes an exhaust pipe 5 fixed in the middle of the breathing mask 1, the exhaust pipe 5 is communicated with the inside and the outside of the breathing mask 1, and a first one-way air valve 6 for discharging the air in the breathing mask 1 one-way to the outside is fixed in the exhaust pipe 5.
Specifically, the first one-way air valve 6 in the exhaust pipe 5 can allow the gas in the breathing mask 1 to be discharged to the outside in a one-way mode, so that the discharged gas in the breathing mask 1 is discharged from the exhaust pipe 5 in a one-way mode, the gas cannot enter from the exhaust pipe 5, and the gas entering the breathing mask 1 is ensured to enter after being filtered by the air filtering source 3.
As shown in fig. 2, 3 and 5, the sealing assembly comprises a rubber sealing airbag 14 fixed at the edge of the breathing mask 1, the rubber sealing airbag 14 is respectively provided with a group at the inner and outer rings of the edge of the breathing mask 1, and an inflating assembly for inflating the rubber sealing airbag 14 is arranged at one side of the breathing mask 1.
It should be noted that the rubber sealing airbag 14 is sealed at the edge of the breathing mask 1, so that when the breathing mask 1 is worn on the face, the joint position between the breathing mask 1 and the face keeps good sealing, and a strap or a hanging lug is arranged on the breathing mask 1 for wearing the breathing mask 1 on the face, which is not shown in the figure and is not described herein for the existing common technology.
Referring to fig. 5, the inflation assembly comprises an internal gas cavity 17 arranged inside a rubber sealing airbag 14, a concentrated gas chamber 7 is arranged inside the breathing mask 1, a concentrated gas pipeline 8 is arranged at the upper end of the concentrated gas chamber 7 in a communicating manner, an airbag 9 is arranged on the concentrated gas pipeline 8, an air inlet pipe 10 is arranged at the end part of the airbag 9, a second one-way air valve 11 for allowing external gas to enter the airbag 9 in a one-way manner is arranged in the air inlet pipe 10, a first connecting channel 15 is arranged at the side surface of the concentrated gas chamber 7 in a communicating manner, an installation chamber 12 is arranged inside the breathing mask 1, the first connecting channel 15 is communicated with the installation chamber 12, a connecting pad 13 is fixedly arranged in the mounting chamber 12, the connecting pad 13 is integrally arranged on a rubber sealing air bag 14, and a second connecting channel 16 communicated between the mounting chamber 12 and an internal gas cavity 17 is arranged on the connecting pad 13.
In operation, when extrusion gasbag 9, gas in the gasbag 9 passes through concentrated gas pipeline 8 in proper order, concentrated gas cavity 7, first connecting channel 15, installation cavity 12, second connecting channel 16 gets into in the inside gas cavity 17, make the inflation of rubber seal gasbag 14 warp, thereby increase the leakproofness of rubber seal gasbag 14, when gasbag 9 resumes deformation, gas is followed intake pipe 10 and is inhaled the replenishment, second one-way pneumatic valve 11 has guaranteed that outside gas is supplementary in one-way getting into gasbag 9, thereby reach the purpose of giving the punching press of rubber seal gasbag 14 when continuously pinching gasbag 9, rubber seal gasbag 14 is provided with two sets ofly, the leakproofness has further been increased, avoid the phenomenon that a set of rubber seal gasbag 14 fold leakproofness reduces.
As shown in fig. 3 and 5, one side of the rubber-sealed air bag 14 is provided with an air release pipe to which a sealing plug is attached by screw-fitting.
Further, the deflation pipeline is not shown in the figures, is a conventional technology, and is not described herein in detail, and is specifically used for deflating the rubber sealing bladder 14.
As shown in fig. 2, the breathing mask 1 is integrally in an arc-shaped hemispherical shell structure, and the air tube 2 on the breathing mask 1 is in a hose structure.
Specifically, trachea 2 is hose construction, and trachea 2 can not transmit vibratory force for respirator 1 when the vibration of filtration source 3, and the shock attenuation is effectual.
As shown in fig. 7, 8 and 9, the housing 18 has a rectangular housing structure, at least two sets of inner housings 21 are provided inside the housing 18, inclined surfaces are provided on both sides of upper and lower surfaces of the inner housings 21, the inclined surfaces are inclined toward a middle position in a height direction of the inner housings 21, and the follow-up suction units 23 and the active suction units 24 are oppositely distributed on both sides of the gas collecting duct 27.
In work, when the suction force at the opening of the filtering cavity 19 is insufficient, the rotating unit 31 can be started, the rotating unit 31 drives the driving fan blades 32 to rotate through the driving shaft 33, so that the suction force is supplemented, the fan blades can be used according to actual requirements, and energy is saved;
in the device, when drive unit drive axis of rotation 37 rotated, axis of rotation 37 drove movable sealing plate 36 and blocks in last cavity 25, at this moment, the gas that gets into in last cavity 25 from inside casing 21 one end can get into down in cavity 26 after fluting one 38, conveniently carry out the humidification back to the air from a driven fan leaf 30 discharge then get into the inside use of gaseous collecting duct 27 from getting into through-hole 34, therefore, the clothes hanger is strong in practicability, add pipeline 40 and can fill water for cavity 26 down, drive unit and rotation unit 31 all can use devices such as servo motor.
The working principle is as follows: the device can tie the air filtering source 3 with a vibration source to the arm or other positions through the binding band 4, the breathing mask 1 is worn on the face, the air filtering source 3 filters air and then conveys the air to the breathing mask 1 through the air pipe 2 for use, the phenomenon that the air filtering source 3 drives the breathing mask 1 to vibrate is avoided, and the breathing mask 1 is convenient to wear and use comfortably;
in the device, a fan is arranged on the upper surface of the shell 18, and is arranged between the air pipe 2 and the air collecting pipeline 27, so as to achieve the purpose of air suction;
the device has the purpose of separating aerosol, so that the air conveyed into the breathing mask 1 does not contain aerosol, the phenomenon that viruses enter the breathing mask 1 along with the aerosol is avoided, specifically, the inner shell 21 divides the inside of the shell 18 into a filtering chamber 19, openings on two sides of the filtering chamber 19 are large, small openings 20 with the openings smaller than the openings on two sides of the filtering chamber 19 are arranged on two sides of the inner shell 21, when in actual work, the suction inside the inner shell 21 is small, the suction at the position of the filtering chamber 19 is large, therefore, the aerosol with the mass heavier than air can be firstly sucked into the filtering chamber 19 from the opening at the end part of the filtering chamber 19, the air around the filtering chamber 19 is simultaneously sucked into the inner shell 21 with the small opening, and the part of air has small suction force, so the aerosol with the heavier mass can not enter, and the purpose of separating the aerosol in the air is achieved, after the aerosol in the air is separated, clean air enters the air pipe 2 through the air inlet assembly and then is discharged into the breathing mask 1 for use;
when air is sucked by suction force provided by a fan at the joint of the air pipe 2 and the air collecting pipeline 27, a plurality of groups of air in the inner shell 21 simultaneously enter the air collecting pipeline 27 for conveying, and the air cannot flow back through the blockage of the third one-way air valve 35 when passing through the position of the through hole 34, so that all the air is finally converged into the air pipe 2 and then discharged into the breathing mask 1, the flow rate of the converged air and the amount of the air are increased, therefore, the part of air can push the driven fan blade I30 to rotate, the driven fan blade I30 drives the driven fan blade II 28 to rotate through the driven shaft lever 29 to generate suction force when rotating, because the air with large amount and high speed pushes the driven fan blade I30 to rotate, the suction force generated when the driven fan blade II 28 rotates is larger than the suction force generated from the position of the small opening 20 at the end part of the inner shell 21, at the moment, aerosol in the air can be sucked into and filtered out of the cavity 19 by the driven fan blade II 28, and is discharged from the opening at the other end of the filtering chamber 19, thereby achieving the purpose of separating aerosol in the air and avoiding the phenomenon that virus is attached to the aerosol and spreads;
the first one-way air valve 6 in the exhaust pipe 5 can be used for discharging the air in the breathing mask 1 to the outside in one way, so that the discharged air in the breathing mask 1 is discharged from the exhaust pipe 5 in one way, and the air cannot enter from the exhaust pipe 5, and the air entering the breathing mask 1 is ensured to enter after being filtered by the air filtering source 3;
the rubber sealing air bag 14 is sealed at the edge of the breathing mask 1, so that when the breathing mask 1 is worn on the face, the joint position between the breathing mask 1 and the face keeps good sealing, and the breathing mask 1 is provided with a bandage or a hanging lug for wearing the breathing mask 1 on the face, which is not shown in the figure and is a common prior art, and is not described herein;
when the air bag 9 is extruded, gas in the air bag 9 sequentially enters the internal gas cavity 17 through the concentrated gas pipeline 8, the concentrated gas cavity 7, the first connecting channel 15, the mounting cavity 12 and the second connecting channel 16, so that the rubber sealing air bag 14 expands and deforms, and the sealing performance of the rubber sealing air bag 14 is improved;
when the suction force at the opening of the filtering cavity 19 is insufficient, the rotating unit 31 can be started, the rotating unit 31 drives the driving fan blades 32 to rotate through the driving shaft 33, so that the suction force is supplemented, the fan blades can be used according to actual requirements, and energy is saved;
in the device, when the drive unit drives the rotation shaft 37 to rotate, the rotation shaft 37 drives the movable sealing plate 36 to block in the upper cavity 25, at this moment, the gas entering the upper cavity 25 from one end of the inner shell 21 enters the lower cavity 26 through the first notch 38, the air is conveniently humidified and then discharged from the first driven fan blade 30 and then enters the gas collecting pipeline 27 from the inlet through hole 34, the practicability is high, the adding pipeline 40 can fill water in the lower cavity 26, the drive unit and the rotation unit 31 can use devices such as a servo motor.

Claims (10)

1. The utility model provides a shock-absorbing structure for breathing machine, includes respirator (1), its characterized in that: an air pipe (2) is arranged on the breathing mask (1), an air filtering source (3) is connected to the air pipe (2), a binding belt (4) is arranged on the air filtering source (3), an exhaust assembly is arranged on the breathing mask (1), a sealing assembly is further arranged on the breathing mask (1), the air filtering source (3) comprises a shell (18), and an aerosol separation assembly is arranged in the shell (18);
aerosol separation subassembly is including setting up in inside casing (21) of casing (18), inside casing (21) are provided with the multiunit, and adjacent inside casing (21) separates the inside of casing (18) into filtering cavity (19), the both sides of filtering cavity (19) run through the both sides of casing (18) respectively, and the opening of filtering cavity (19) both sides is big, the inside of inside casing (21) is provided with controls the gas passage who runs through, and the both sides of gas passage are provided with little opening (20), the fixed gas collecting pipe (27) that is provided with in middle part of casing (18), the lower extreme of gas collecting pipe (27) is fixed at the lower extreme inner wall of casing (18), and the upper end of gas collecting pipe (27) communicates with the lower extreme of trachea (2), the lower extreme of trachea (2) is fixed on casing (18), be provided with on the inside gas collecting pipe (27) of inside casing (21) and supply gas to get into gas collecting pipe (27), (the gas collecting pipe: (19) is provided with 27) A suction assembly is arranged on a gas collecting pipeline (27) in the filtering chamber (19), and comprises a follow-up suction unit (23) and a driving suction unit (24);
follow-up suction unit (23) is including rotating driven shaft lever (29) that sets up in gas collecting pipe (27) one side, the both ends of driven shaft lever (29) are located the inside of gas collecting pipe (27) and the outside of gas collecting pipe (27) respectively, and driven shaft lever (29) are located the fixed driven flabellum (30) that is provided with of the inside one end of gas collecting pipe (27), driven shaft lever (29) are located the fixed driven flabellum second (28) that is provided with of the outside one end of gas collecting pipe (27), and initiative suction unit (24) are including fixed welding rotation unit (31) at gas collecting pipe (27) opposite side, the driving shaft (33) is gone up to rotation unit (31) transmission connection, the outer lane of driving shaft (33) is fixed and is provided with initiative flabellum (32).
2. The shock absorbing structure for a respirator according to claim 1, characterized in that: the inside of inside casing (21) is fixed and is provided with horizontal baffle (41), horizontal baffle (41) separate into upper plenum (25), lower cavity (26) that distribute from top to bottom inside casing (21), the fixed filter pulp piece (22) that is provided with the shutoff in the little opening (20) of inside casing (21) tip department of shutoff is kept away from the one end of gas collecting pipe (27) in upper plenum (25), the storage has water in lower cavity (26).
3. The shock absorbing structure for a respirator according to claim 2, characterized in that: the improved structure of the automobile engine is characterized in that a second up-down through groove (39) and a first up-down through groove (38) are formed in the transverse partition plate (41), a movable sealing plate (36) is connected to one end of the first up-down through groove (38) in a rotating mode through a rotating shaft (37), a driving unit is arranged at one end of the rotating shaft (37), the driving unit is fixed to the outer portion of the inner shell (21), the rotating shaft (37) is connected with the inner wall of the first up-down groove (38) in a rotating mode, the rotating shaft (37) and the movable sealing plate (36) are fixed to each other, the length of the movable sealing plate (36) is equal to the height between the transverse partition plate (41) and the inner wall above the upper cavity (25), the length of the movable sealing plate (36) is equal to the length of the first up groove (38), an adding pipeline (40) communicated with the inner portion of the lower cavity (26) is arranged on one side of the lower end of the inner shell (21), and an inlet communicated with the outer portion of the inner shell (21) and an outlet communicated with the inner portion of the lower cavity (26) is arranged on the adding pipeline (40) The inlet position is higher than the outlet position, and the inlet position is provided with an electromagnetic valve.
4. The shock absorbing structure for a respirator according to claim 2, characterized in that: the air inlet assembly comprises an inlet through hole (34) communicated with the inside and the outside of the air collecting pipeline (27), the inlet through hole (34) is communicated with the upper cavity (25), and a third one-way air valve (35) for allowing air to enter the air collecting pipeline (27) in a one-way mode is arranged in the inlet through hole (34).
5. The shock absorbing structure for a respirator according to claim 1, characterized in that: the exhaust assembly comprises an exhaust pipe (5) fixed in the middle of the breathing mask (1), the exhaust pipe (5) is communicated with the inside and the outside of the breathing mask (1), and a first one-way air valve (6) for one-way outward exhaust of air inside the breathing mask (1) is fixedly arranged in the exhaust pipe (5).
6. The shock absorbing structure for a respirator according to claim 1, characterized in that: the sealing assembly comprises a rubber sealing air bag (14) fixed at the edge of the breathing mask (1), a group of rubber sealing air bags (14) are respectively arranged on the inner ring and the outer ring of the edge of the breathing mask (1), and an inflating assembly inflated into the rubber sealing air bag (14) is arranged on one side of the breathing mask (1).
7. The shock absorbing structure for a respirator according to claim 6, wherein: the inflation assembly comprises an internal gas cavity (17) arranged inside a rubber sealing air bag (14), a concentrated gas cavity (7) is arranged inside the breathing mask (1), a concentrated gas pipeline (8) is arranged at the upper end of the concentrated gas cavity (7) in a communicated manner, an air bag (9) is arranged on the concentrated gas pipeline (8), an air inlet pipe (10) is arranged at the end part of the air bag (9), a second one-way air valve (11) for allowing external gas to enter the air bag (9) in a one-way manner is arranged in the air inlet pipe (10), a first connecting channel (15) is arranged at the side surface of the concentrated gas cavity (7) in a communicated manner, an installation cavity (12) is arranged inside the breathing mask (1), the first connecting channel (15) is communicated with the installation cavity (12), and a connecting pad (13) is fixedly arranged in the installation cavity (12), the connecting pad (13) is integrally arranged on the rubber sealing air bag (14), and a second connecting channel (16) communicated between the mounting chamber (12) and the internal air cavity (17) is arranged on the connecting pad (13).
8. The shock absorbing structure for a respirator according to claim 6, wherein: one side of the rubber sealing air bag (14) is provided with an air discharging pipeline, and a sealing plug is connected to the air discharging pipeline in a threaded fit mode.
9. The shock absorbing structure for a respirator according to claim 1, characterized in that: breathing mask (1) wholly is curved hemisphere shell structure, trachea (2) on breathing mask (1) are the hose construction.
10. The shock absorbing structure for a respirator according to claim 1, characterized in that: casing (18) are rectangle shell structure, and the inside of casing (18) is provided with at least two sets of inside casings (21), the upper and lower surface both sides of inside casing (21) all are provided with the inclined plane, and the inclined plane inclines towards the direction of height intermediate position of inside casing (21), follow-up suction unit (23) and initiative suction unit (24) are in the opposite distribution of the both sides of gas collection pipeline (27).
CN202210328909.4A 2022-03-30 2022-03-30 Shock-absorbing structure for breathing machine Active CN114632244B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3157326U (en) * 2009-11-25 2010-02-12 フーチー ウーFu−Chi WU Portable air purifier
CN208959056U (en) * 2018-03-14 2019-06-11 贵州省人民医院 A kind of respiratory therapy mask
CN111375111A (en) * 2020-04-01 2020-07-07 赵清振 Multifunctional isolation mask
CN111388894A (en) * 2020-03-03 2020-07-10 杨明亮 Infectious disease patient respiratory discharge pathogen collecting, inactivating and auxiliary breathing equipment
CN212940784U (en) * 2020-04-08 2021-04-13 华中科技大学同济医学院附属同济医院 Inhale phlegm aerosol absorbing device
CN113491361A (en) * 2020-04-03 2021-10-12 韩天和 Virus isolation type mask
CN215024359U (en) * 2021-03-23 2021-12-07 威海华菱光电股份有限公司 Breathing apparatus
CN215194780U (en) * 2021-03-26 2021-12-17 首都医科大学附属北京潞河医院 Breathing mask
WO2022039644A1 (en) * 2020-08-20 2022-02-24 3Nine Ab Method and apparatus for centrifugal separation of particles from a gas flow

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3157326U (en) * 2009-11-25 2010-02-12 フーチー ウーFu−Chi WU Portable air purifier
CN208959056U (en) * 2018-03-14 2019-06-11 贵州省人民医院 A kind of respiratory therapy mask
CN111388894A (en) * 2020-03-03 2020-07-10 杨明亮 Infectious disease patient respiratory discharge pathogen collecting, inactivating and auxiliary breathing equipment
CN111375111A (en) * 2020-04-01 2020-07-07 赵清振 Multifunctional isolation mask
CN113491361A (en) * 2020-04-03 2021-10-12 韩天和 Virus isolation type mask
CN212940784U (en) * 2020-04-08 2021-04-13 华中科技大学同济医学院附属同济医院 Inhale phlegm aerosol absorbing device
WO2022039644A1 (en) * 2020-08-20 2022-02-24 3Nine Ab Method and apparatus for centrifugal separation of particles from a gas flow
CN215024359U (en) * 2021-03-23 2021-12-07 威海华菱光电股份有限公司 Breathing apparatus
CN215194780U (en) * 2021-03-26 2021-12-17 首都医科大学附属北京潞河医院 Breathing mask

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