CN109529214B - Portable respirator with monitoring function - Google Patents

Portable respirator with monitoring function Download PDF

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Publication number
CN109529214B
CN109529214B CN201811418183.3A CN201811418183A CN109529214B CN 109529214 B CN109529214 B CN 109529214B CN 201811418183 A CN201811418183 A CN 201811418183A CN 109529214 B CN109529214 B CN 109529214B
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frame
cavity
way
clamping
locking
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CN109529214A (en
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谭瑞霞
曹春燕
高珊
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Qingdao Central Hospital
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Qingdao Central Hospital
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00Respiratory apparatus
    • A62B7/10Respiratory apparatus with filter elements
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02Masks
    • A62B18/025Halfmasks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/16Drying solid materials or objects by processes not involving the application of heat by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to a portable respirator with a monitoring function, which comprises an attaching frame, a buckle sleeve, a limiting sleeve and a filtering device, wherein the attaching frame is of a hollow structure with an opening at the left end, a round hole is formed in the middle of the right side face of the attaching frame, the front side face and the rear side face of the middle of the attaching frame are respectively connected with the buckle sleeve, the left end of the buckle sleeve is provided with a buckle, the middle of the buckle sleeve is of an elastic structure, the limiting sleeve is positioned above the buckle sleeve, the limiting sleeve is installed on the side face of the attaching frame, the left end of the limiting sleeve is provided with a square hollow seat, the middle of the limiting sleeve is of an elastic structure, and the right end of the attaching frame is provided with the filtering device. The invention can solve the problems that the traditional breathing mask is difficult to wear, cannot automatically alarm when people inhale dust, has short service cycle due to continuous oxygen supply of the breathing mask, has poor sealing performance of a one-way cushion of the breathing mask, cannot switch between natural air suction and oxygen supply and the like.

Description

Portable respirator with monitoring function
Technical Field
The invention relates to the technical field of labor protection, in particular to a portable breathing mask with a monitoring function.
Background
Respirator wears the utensil that breathes in personnel's mouth nose department, respirator's one end has dust keeper, can filter the dust in the air, and respirator all is external to have the oxygenerator, so that the rescue personnel carry out special operation under toxic gaseous environment, use extensively on conflagration emergency rescue or mine rescue very much, the concrete problem that current respirator exists when the use as follows, respirator wears the difficulty, need many people to cooperate and dress, automatic alarm when personnel inhale the dust, make the dust lead to the fact the influence to rescue personnel's health, respirator lasts the oxygen suppliment and causes its life cycle short, it is tired to increase rescue personnel, respirator's one-way pad leakproofness is poor, can't carry out the switching of naturally breathing in and oxygen suppliment.
Disclosure of Invention
In order to solve the problems, the invention provides a portable breathing mask with a monitoring function, which can solve the problems that the breathing mask is difficult to wear, cannot automatically alarm when a person inhales dust, the breathing mask has a short service cycle due to continuous oxygen supply, the one-way cushion of the breathing mask has poor sealing performance, cannot switch between natural inhalation and oxygen supply and the like when the conventional breathing mask is used, can realize the function of warning when the person inhales dust or toxic gas, and has the advantages of simple and convenient wearing of the breathing mask, automatic alarm when the person inhales dust, long service cycle due to oxygen supply when the breathing mask needs, good sealing performance of the one-way cushion of the breathing mask, capability of switching between natural inhalation and oxygen supply and the like.
In order to achieve the purpose, the invention adopts the following technical scheme that the portable breathing mask with the monitoring function comprises a fitting frame, a buckle sleeve, a limiting sleeve and a filtering device, wherein the fitting frame is of a hollow structure with an opening at the left end, and the middle part of the right side surface of the fitting frame is provided with a round hole; the inner wall of the lower end of the attaching frame is provided with a storage box, the storage box is of a hollow structure with an opening at the upper end, the upper end of the storage box is buckled with a storage cover, circular holes are uniformly formed in the storage cover, bagged drying agents are placed in the storage box and can absorb moisture of air exhaled by a human body to prevent the attaching frame from being too humid, the lower end of the right side face of the attaching frame is provided with an air outlet, the right side of the air outlet on the attaching frame is provided with an air cushion, the air cushion on the attaching frame can be attached to the attaching frame when a person inhales air, the air cushion on the attaching frame exhausts air when the person exhales air, the front side face and the rear side face of the middle part of the attaching frame are respectively connected with a buckle sleeve, the left end of each buckle sleeve is provided with a buckle, the middle part of each buckle sleeve is of an elastic structure, the limiting sleeve is positioned above the buckle sleeve, the limiting sleeve is, the middle part of stop collar is elastic structure, installs filter equipment on the right-hand member of laminating frame, and concrete during operation, the laminating frame can paste in human face, and the nose that can paste the user of use personnel is protruding in the upper end of laminating frame for laminating mutually with personnel's face, the square hollow seat cover of later stop collar left end is on personnel's back brain spoon, and the buckle cover locking is in personnel's back neck, makes the facial mask of taking that personnel can be convenient.
The filter device comprises a detection cavity, a dust detector, a dust alarm lamp, a clamping mechanism, a rotating cavity, a limiting frame, an air inlet cavity, a one-way mechanism, a locking branched chain, a gas detector and a gas alarm lamp, wherein the detection cavity is arranged on the right side surface of the fitting frame and is of a hollow structure, and a clamping groove is formed in the outer side surface of the right end of the detection cavity; the rear side surface of the detection cavity is connected with an oxygen pipe, the oxygen pipe is of a telescopic structure, a dust detector is distributed in the detection cavity, the dust detector is positioned outside the round hole arranged on the attaching frame, the dust detector is installed on the right side surface of the attaching frame, the lower end of a dust alarm lamp is installed on the dust detector, the upper end of the dust alarm lamp penetrates through the upper side wall of the detection cavity, the clamping mechanism is positioned on the right side of the dust detector, and the clamping mechanism is installed on the inner wall of the middle part of the detection cavity;
the left end of the rotating cavity is provided with a latch, the left end of the rotating cavity is arranged on the right end of the detection cavity in a buckling connection mode, the rotating cavity is of a hollow cylinder structure with an open left end, the right side surface of the rotating cavity is provided with a one-way hole, the inner wall of the rotating cavity is provided with a limiting frame which is of a cross structure, the outer end of the limiting frame is symmetrically provided with an extrusion platform, filter cotton is placed between the limiting frame and the clamping mechanism and can adsorb dust in air, the one-way mechanism is distributed in the one-way hole arranged in the rotating cavity and is arranged on the right side surface of the rotating cavity, the right side surface of the rotating cavity is provided with an air inlet cavity which is of the hollow cylinder structure with an open left end, the right side surface of the air inlet cavity is uniformly provided with an air inlet hole, the right end of the one-way mechanism is positioned in the air inlet, the gas detector is arranged on the inner wall of the middle part of the air inlet cavity, the bottom of the gas alarm lamp is arranged on the gas detector, the upper end of the gas alarm lamp penetrates through the upper side wall of the air inlet cavity, the front end and the rear end of the air inlet cavity are respectively provided with a locking groove, the left side wall and the right side wall of each locking groove of the air inlet cavity are respectively provided with a square hole, when the gas detector works, a filtering device can give an alarm when people suck dust, so as to remind the people to replace filter paper, when the sucked air contains toxic gases such as carbon monoxide, the filtering device can give an alarm, the air suction system is manually closed, an external oxygenerator is opened, harmful gases in the air are prevented from hurting the people, when the people suck air, the gas enters through an air inlet hole at the right end of the air inlet cavity, the gas detector can detect the toxic gases such as carbon monoxide in the air, the air passes through the rotary cavity, the filter cotton is placed between the limiting frame and the clamping mechanism in sequence, the detection cavity is formed, the dust detection machine can detect dust in the air, the situation that the dust in the air cannot be filtered due to the fact that the filter cotton is used for a long time is prevented, when the air in the detection cavity contains the dust, the dust alarm lamp can give an alarm to remind personnel of replacing the filter cotton in time, the air can be sucked by the personnel when entering the attaching frame, when the personnel exhale, the air can be discharged from an air cushion arranged on the attaching frame, when the air contains toxic gas, the locking branch chain is pushed to the left side manually, so that the one-way hole of the rotary cavity can be blocked by the one-way mechanism, the toxic gas is prevented from being sucked, at the moment, an external oxygenerator is controlled to slowly convey the oxygen, the oxygen enters the detection cavity from an oxygen pipe, the pressure of the detection cavity and the rotary cavity can be, therefore, the personnel can inhale oxygen, and the safety of the personnel is protected.
As a preferred technical scheme of the invention, the clamping mechanism comprises a clamping mounting frame, a clamping sliding column, a sliding column spring, an extrusion block, an extrusion guide body, a guide body spring and a pushing frame, the clamping mounting frame is mounted on the inner wall of the middle part of the detection cavity, the clamping mounting frame is of a cross structure, the clamping sliding columns are symmetrically arranged on the clamping mounting frame, the middle part of each clamping sliding column is connected with the clamping mounting frame in a sliding fit manner, the extrusion block is mounted on the right end of each clamping sliding column, an outward inclined extrusion hole is formed in the extrusion block, the extrusion guide body is mounted on the inner wall of the extrusion hole in the extrusion block through the guide body spring, the sliding column spring is arranged on the outer side of each clamping sliding column, the sliding column spring is mounted between the clamping mounting frame and the extrusion block, the pushing frame is mounted between the extrusion blocks, a pushing bulge is arranged on the right end of, chucking mechanism can block the filter pulp on spacing, prevent that there is the passageway that leaks to cause impurity's dust to get into and detect the intracavity between spacing and the filter pulp, the extrusion director is for leaning out for the extrusion director is straightened with the filter pulp under the effect of director spring, the right-hand member of filter pulp can be hugged closely on spacing left surface, when needs are changed the filter pulp, take off the rotating cavity, the propelling movement arch on the manual work promotion propelling movement frame, so that change the filter pulp.
As a preferred technical scheme of the invention, the locking branched chain comprises a locking connecting rod, a locking hook, a hook frame, a telescopic block and a telescopic spring, wherein the inner end of the locking connecting rod is arranged on the outer side surface of the sealing connecting frame, the outer end of the locking connecting rod penetrates through a locking groove arranged in the air inlet cavity, the locking hook is arranged on the left side surface of the outer end of the locking connecting rod, the hook frame is positioned on the left side of the locking hook, the hook frame is arranged on the outer side wall of the air inlet cavity, the telescopic block is arranged on the inner wall of each square hole arranged on the locking groove in the air inlet cavity through the telescopic spring, and the locking branched chain can adjust the position of the, make the gaseous one-way conveying of execution that single-way mechanism can be better, the removal left of locking hook makes the hook frame hook on the hook frame, and flexible piece can be controlled when the locking connecting rod moves and is lived its laminating all the time, prevents that gaseous locking groove from getting into in the air inlet cavity on the air inlet cavity.
As a preferred technical scheme of the invention, the one-way mechanism comprises a one-way support frame, a one-way connecting column, a one-way rubber cushion, a sealing ring, a sealing connecting frame and a return spring, the middle part of the one-way support frame is positioned at the inner side of a one-way hole arranged in a rotating cavity, the outer side of the one-way support frame is of an annular structure, the middle part of the one-way support frame is of a cross structure, the right end of the one-way support frame is arranged on the right side surface of the rotating cavity, the one-way connecting column is arranged on the left side surface of the one-way support frame, the one-way rubber cushion is arranged on the one-way connecting column, the sealing ring is connected between the outer side of the one-way support frame and the one-way hole arranged in the rotating cavity in a sliding fit manner, the left side of the sealing ring is provided with the silica gel cushion, the silica gel, return to between the right side face of spring mounting even frame and rotation chamber, concrete during operation, unidirectional mechanism can control gas and carry out one-way conveying, prevent that gaseous right side from unidirectional mechanism from discharging, when the locking hook moves left, the sealing washer can move left in step, the silica gel pad on the sealing washer can laminate one-way cushion, prevent that one-way cushion from taking place the fold under the effect of atmospheric pressure and forming the passageway that leaks, when no toxic gas in the air, outwards pull the locking hook, make locking hook and hook frame separation and reply initial position under the effect of returning to the spring, the oxygen suppliment is stopped to the outside oxygenerator of simultaneous control, thereby can improve the duration of outside oxygenerator.
As a preferred technical scheme of the invention, the lower end of the rotary cavity is provided with a bearing bracket, the front end and the rear end of the bearing bracket are both connected with a bearing belt, the middle part of the bearing belt is connected on the outer side surface of the fitting frame, and the left end of the bearing belt is arranged on a square hollow seat arranged on a limiting sleeve.
The use process of the breathing mask of the invention is as follows:
the first step is as follows: the mask is worn, the attaching frame is attached to the face of a human body, the upper end of the attaching frame protrudes to be capable of attaching to the nose of a user, the attaching frame is attached to the face of the user, then the square hollow seat at the left end of the limiting sleeve is sleeved on the back head of the user, the clamping sleeve is locked at the back neck of the user, the user can conveniently take the mask, the bearing belt on the rotating cavity can play a role in bearing the rotating cavity, and the mask is prevented from being displaced due to the fact that the user does strenuous exercise;
the second step is that: personnel inhale and exhale, when the personnel inhale, gas enters through the air inlet at the right end of the air inlet cavity, the gas sequentially passes through the rotary cavity, filter cotton and the detection cavity are placed between the limiting frame and the clamping mechanism, the dust detection machine can detect dust in the air, the situation that the dust in the air cannot be filtered due to the fact that the filter cotton is used for a long time is prevented, when the air in the detection cavity contains dust, the dust alarm lamp can give an alarm to remind the personnel to replace the filter cotton in time, the gas can be sucked by the personnel when entering the laminating frame, and when the personnel exhale, the gas can be discharged from the air cushion arranged on the laminating frame;
the third step: when the filter cotton needs to be replaced, the rotary cavity is taken down, the pushing bulge on the pushing frame is manually pushed, so that the filter cotton is replaced;
the fourth step: the oxygen suppliment of outside oxygenerator, when containing toxic gases such as carbon monoxide in the inspiratory air, gaseous alarm lamp can report to the police, artifical side left propulsion locking branch chain, make one-way mechanism can plug up the one-way hole in rotatory chamber, prevent the inhalation of toxic gas, control outside oxygenerator and carry out slow transport with oxygen this moment, oxygen gets into from the oxygen hose and detects the intracavity, the pressure that detects chamber and rotatory chamber can increase, make one-way mechanism thoroughly seal, thereby personnel can inhale oxygen, protection personnel's safety, when there is not toxic gas in the air, outwards trip locking hook, make locking hook and hooking bracket separation and reply initial position under the effect of being the spring, the outside oxygenerator of simultaneous control stops the oxygen suppliment, thereby can improve the duration of outside oxygenerator.
The invention has the beneficial effects that:
the invention can solve the problems that the existing breathing mask is difficult to wear, cannot automatically alarm when people inhale dust, has short service cycle due to the continuous oxygen supply of the breathing mask, has poor sealing performance of a one-way cushion of the breathing mask, cannot switch between natural inhalation and oxygen supply and the like, can realize the function of alarming when people inhale dust or toxic gas, and has the advantages that the breathing mask is simple and convenient to wear, can automatically alarm when people inhale dust, can supply oxygen when needed, has long service cycle, has good sealing performance of the one-way cushion of the breathing mask, can switch between natural inhalation and oxygen supply and the like;
the novel facial mask is provided with the buckle sleeve and the limiting sleeve, and the buckle sleeve and the limiting sleeve can be conveniently worn on the face of a user;
thirdly, a clamping mechanism is arranged on the filtering device, and can clamp the filter cotton on the limiting frame, so that impurity dust is prevented from entering the detection cavity due to an air leakage channel between the limiting frame and the filter cotton;
and fourthly, the filtering device is provided with a one-way mechanism which can control the gas to be transmitted in one way and prevent the gas from being discharged from the right side of the one-way mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of a first construction between the attachment frame and the filter assembly of the present invention;
FIG. 4 is a cross-sectional view of the invention between the extrusion block, the extrusion guide body and the guide body spring;
FIG. 5 is a schematic view of the structure between the rotating chamber, the air inlet chamber, the one-way mechanism, the locking branch and the gas detector of the present invention;
FIG. 6 is a cross-sectional view between the intake chamber and the locking arm of the present invention;
fig. 7 is a second structural diagram between the fitting frame and the filtering device of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 7, a portable respirator with a monitoring function comprises a fitting frame 1, a buckle sleeve 2, a limiting sleeve 3 and a filtering device 4, wherein the fitting frame 1 is of a hollow structure with an opening at the left end, and a circular hole is formed in the middle of the right side surface of the fitting frame 1; the inner wall of the lower end of the attaching frame 1 is provided with a storage box 11, the storage box 11 is of a hollow structure with an opening at the upper end, the upper end of the storage box 11 is buckled with a storage cover 12, circular holes are uniformly formed in the storage cover 12, bagged drying agents are placed in the storage box 11 and can absorb moisture of air exhaled by a human body to prevent the attaching frame 1 from being too humid, the lower end of the right side face of the attaching frame 1 is provided with an air outlet, the right side of the air outlet on the attaching frame 1 is provided with an air cushion, the air cushion on the attaching frame 1 can be attached to the attaching frame 1 when a person inhales air, the air cushion on the attaching frame 1 exhausts air when the person exhales air, the front side face and the rear side face of the middle part of the attaching frame 1 are both connected with a buckle sleeve 2, the left end of the buckle sleeve 2 is provided with a buckle, the middle part of the buckle sleeve 2 is of an elastic structure, a limiting sleeve 3 is, the left end of stop collar 3 is provided with square hollow seat, the middle part of stop collar 3 is elastic structure, install filter equipment 4 on the right-hand member of laminating frame 1, concrete during operation, laminating frame 1 can paste the face at the human body, the nose that user of service can be pasted in the upper end arch of laminating frame 1, make laminating frame 1 laminate with personnel's face mutually, the square hollow seat cover of 3 left ends of later stop collar is on personnel's back brain spoon, buckle sleeve 2 locks in personnel's back neck, make that personnel can be convenient take the face guard.
The filtering device 4 comprises a detection cavity 41, a dust detector 42, a dust alarm lamp 43, a clamping mechanism 44, a rotating cavity 45, a limiting frame 46, an air inlet cavity 47, a one-way mechanism 48, a locking branched chain 49, a gas detector 410 and a gas alarm lamp 411, wherein the detection cavity 41 is arranged on the right side surface of the attaching frame 1, the detection cavity 41 is of a hollow structure, and the outer side surface of the right end of the detection cavity 41 is provided with a clamping groove; the rear side surface of the detection cavity 41 is connected with an oxygen pipe 412, the oxygen pipe 412 is of a telescopic structure, dust detection machines 42 are distributed in the detection cavity 41, the dust detection machines 42 are located on the outer side of a round hole formed in the attaching frame 1, the dust detection machines 42 are installed on the right side surface of the attaching frame 1, the lower ends of dust alarm lamps 43 are installed on the dust detection machines 42, the upper ends of the dust alarm lamps 43 penetrate through the upper side wall of the detection cavity 41, the clamping mechanisms 44 are located on the right side of the dust detection machines 42, and the clamping mechanisms 44 are installed on the inner wall of the middle part of the detection cavity 41;
the left end of the rotating cavity 45 is provided with a latch, the left end of the rotating cavity 45 is installed on the right end of the detection cavity 41 in a buckling connection mode, the rotating cavity 45 is of a hollow cylinder structure with an open left end, the right side surface of the rotating cavity 45 is provided with a one-way hole, the inner wall of the rotating cavity 45 is provided with a limiting frame 46, the limiting frame 46 is of a cross structure, the outer end of the limiting frame 46 is symmetrically provided with an extrusion platform, filter cotton is placed between the limiting frame 46 and the clamping mechanism 44 and can absorb dust in air, the one-way mechanism 48 is distributed in the one-way hole arranged in the rotating cavity 45, the one-way mechanism 48 is installed on the right side surface of the rotating cavity 45, the right side surface of the rotating cavity 45 is provided with an air inlet cavity 47, the air inlet cavity 47 is of a hollow cylinder structure with an open left end, air inlet holes are evenly arranged on the right side surface of the, a locking branched chain 49 is respectively arranged at the front end and the rear end of a one-way mechanism 48, a gas detector 410 is arranged on the inner wall of the middle part of an air inlet cavity 47, the bottom of a gas alarm lamp 411 is arranged on the gas detector 410, the upper end of the gas alarm lamp 411 penetrates through the upper side wall of the air inlet cavity 47, a locking groove is respectively arranged at the front end and the rear end of the air inlet cavity 47, a square hole is respectively arranged on the left side wall and the right side wall of each locking groove of the air inlet cavity 47, when the air purifier works specifically, the filtering device 4 can give an alarm when a person inhales dust, and reminds the person to replace filter paper, when the inhaled air contains toxic gases such as carbon monoxide and the like, the filtering device 4 can give an alarm, the air suction system is manually closed, an external oxygenerator is opened, the harmful gases in the air are prevented from injuri, the gas detector 410 can detect toxic gases such as carbon monoxide in the air, when the toxic gases are detected, the gas alarm lamp 411 can give an alarm, the gas sequentially passes through the rotary cavity 45, filter cotton is placed between the limiting frame 46 and the clamping mechanism 44, the detection cavity 41 is formed, the dust detector 42 can detect dust in the air, the situation that dust in the air cannot be filtered due to the fact that the filter cotton is used for a long time is avoided, when the air in the detection cavity 41 contains dust, the dust alarm lamp 43 can give an alarm to remind personnel of replacing the filter cotton in time, the gas can be sucked by the personnel when entering the attaching frame 1, when the personnel exhale, the gas can be discharged from an air cushion arranged on the attaching frame 1, when the air contains the toxic gases, the locking branch chain 49 is manually pushed to the left side, so that the one-way mechanism 48 can block the one-way hole of the rotary cavity 45, prevent toxic gas's inhalation, the outside oxygenerator of control at this moment carries out slow transport with oxygen, and in oxygen got into detection chamber 41 from oxygen hose 412, the pressure that detects chamber 41 and rotatory chamber 45 can increase for one-way mechanism 48 thoroughly seals, thereby personnel can inhale oxygen, protection personnel's safety.
The clamping mechanism 44 comprises a clamping mounting frame 441, a clamping sliding column 442, a sliding column spring 443, an extrusion block 444, an extrusion guide body 445, a guide body spring 446 and a pushing frame 447, the clamping mounting frame 441 is mounted on the inner wall of the middle part of the detection cavity 41, the clamping mounting frame 441 is of a cross-shaped structure, the clamping sliding column 442 is symmetrically arranged on the clamping mounting frame 441, the middle part of the clamping sliding column 442 is connected with the clamping mounting frame 441 in a sliding fit manner, the extrusion block 444 is mounted on the right end of the clamping sliding column 442, an extrusion hole which inclines outwards is formed in the extrusion block 444, the extrusion guide body 445 is mounted on the inner wall of the extrusion hole in the extrusion block 444 through the guide body spring 446, the sliding column spring 443 is arranged on the outer side of the clamping sliding column 442, the sliding column spring 443 is mounted between the clamping mounting frame 441 and the extrusion block 444, the pushing frame 447 is mounted between the extrusion blocks 444, the pushing frame 447, during specific work, chucking mechanism 44 can block the filter pulp on spacing 46, prevent that there is the passageway that leaks to cause impurity's dust to get into between spacing 46 and the filter pulp and detect the chamber 41, extrusion guide body 445 is for leaning out, make extrusion guide body 445 straighten out the filter pulp under guide body spring 446's effect, the right-hand member of filter pulp can hug closely on spacing 46's left surface, when needs are changed the filter pulp, take off rotatory chamber 45, the propelling movement on the manual work promotion propelling movement frame 447 is protruding, so that change the filter pulp.
The locking branched chain 49 comprises a locking connecting rod 491, a locking hook 492, a hook frame 493, a telescopic block 494 and a telescopic spring 495, the inner end of the locking connecting rod 491 is arranged on the outer side surface of the sealing connecting frame 485, the outer end of the locking connecting rod 491 penetrates through a locking groove arranged on the air inlet cavity 47, the locking hook 492 is arranged on the left side surface of the outer end of the locking connecting rod 491, the hook frame 493 is positioned on the left side of the locking hook 492, the hook frame 493 is arranged on the outer side wall of the air inlet cavity 47, a telescopic block 494 is arranged on the inner wall of each square hole arranged on the locking groove on the air inlet cavity 47 through the telescopic spring 495, during specific work, the locking branched chain 49 can adjust the position of the one-way mechanism 48, so that the one-way mechanism 48 can better perform one-way gas transmission, the left movement of the locking hook 492 enables the hook frame 493 to be hooked on the hook frame 493, gas is prevented from entering the inlet chamber 47 from a locking groove in the inlet chamber 47.
The one-way mechanism 48 comprises a one-way support 481, a one-way connecting column 482, a one-way rubber pad 483, a sealing ring 484, a sealing connecting frame 485 and a spring 486, wherein the middle part of the one-way support 481 is positioned at the inner side of a one-way hole arranged in the rotating cavity 45, the outer side of the one-way support 481 is of an annular structure, the middle part of the one-way support 481 is of a cross structure, the right end of the one-way support 481 is arranged on the right side surface of the rotating cavity 45, the left side surface of the one-way support 481 is provided with the one-way connecting column 482, the one-way rubber pad 483 is arranged on the one-way connecting column 482, the sealing ring 484 is connected between the outer side of the one-way support 481 and the one-way hole arranged in the rotating cavity 45 in a sliding fit manner, the left side of the sealing ring 484 is provided with a silica gel pad, a silica gel, spring 486 is distributed on the left side of the outer end of the sealing connecting frame 485, spring 486 is installed between the right side faces of the sealing connecting frame 485 and the rotating cavity 45, during specific work, the one-way mechanism 48 can control gas to be transmitted in one way, gas is prevented from being discharged from the right side of the one-way mechanism 48, when the locking hook 492 moves leftwards, the sealing ring 484 can move leftwards synchronously, a silica gel pad on the sealing ring 484 can be attached to a one-way rubber pad 483, the one-way rubber pad 483 is prevented from being folded under the action of air pressure to form an air leakage channel, when no toxic gas exists in the air, the locking hook 492 is pulled outwards, the locking hook 492 is separated from the hook frame 493 and returns to the initial position under the action of the spring 486, meanwhile, the external oxygenerator is controlled to stop oxygen supply, and accordingly the cruising ability of the external oxygenerator can be.
The lower extreme of rotatory chamber 45 be provided with support bracket 451, both ends all are connected with a bearing area 452 around support bracket 451, the middle part of bearing area 452 is connected on the lateral surface of laminating frame 1, the left end of bearing area 452 is installed on the square hollow seat that stop collar 3 set up, specific during operation, bearing area 452 on the rotatory chamber 45 can play the bearing effect to rotatory chamber 45, prevent that personnel from causing the face guard to take place the displacement under the strenuous motion.
The use process of the breathing mask of the invention is as follows:
the first step is as follows: the mask is worn, the attaching frame 1 is attached to the face of a human body, the upper end of the attaching frame 1 protrudes to be capable of attaching to the nose of a user, the attaching frame 1 is attached to the face of the user, then the square hollow seat at the left end of the limiting sleeve 3 is sleeved on the back head of the user, the buckle sleeve 2 is locked at the back neck of the user, the user can conveniently take the mask, the supporting belt 452 on the rotating cavity 45 can support the rotating cavity 45, and the mask is prevented from being displaced due to violent movement of the user;
the second step is that: the personnel inhale and exhale, when the personnel inhales, gas enters through the inlet port of the right end of the air inlet cavity 47, the gas passes through the rotating cavity 45 in sequence, filter cotton is placed between the limiting frame 46 and the clamping mechanism 44, the detection cavity 41 is arranged, the dust in the air can be detected by the dust detection machine 42, the situation that the dust in the air cannot be filtered due to the fact that the filter cotton is used for a long time is prevented, when the air in the detection cavity 41 contains dust, the dust alarm lamp 43 can give an alarm to remind the personnel to replace the filter cotton in time, the gas can be sucked by the personnel when entering the laminating frame 1, and when the personnel exhale, the gas can be discharged from the air cushion arranged on the laminating frame 1;
the third step: when the filter cotton needs to be replaced, the rotating cavity 45 is taken down, and the pushing bulge on the pushing frame 447 is manually pushed, so that the filter cotton is replaced;
the fourth step: when the inhaled air contains toxic gases such as carbon monoxide and the like, the gas alarm lamp 411 can give an alarm, the locking branch chain 49 is manually pushed to the left side, so that the one-way mechanism 48 can block the one-way hole of the rotating cavity 45 to prevent the inhalation of the toxic gases, the external oxygen generator is controlled to slowly convey the oxygen, the oxygen enters the detection cavity 41 from the oxygen pipe 412, the pressure of the detection cavity 41 and the pressure of the rotating cavity 45 can be increased, the one-way mechanism 48 is completely sealed, so that personnel can inhale the oxygen to protect the safety of the personnel, when no toxic gases exist in the air, the locking hook 492 is pulled outwards to separate the locking hook 492 from the hook frame 493 and return to the initial position under the action of the spring 486, and meanwhile, the external oxygen generator is controlled to stop oxygen supply, so that the cruising ability of the external oxygen generator can be improved; the invention realizes the function of warning when people inhale dust or toxic gas, solves the problems that the traditional breathing mask is difficult to wear, cannot automatically alarm when people inhale dust, has short service cycle due to continuous oxygen supply of the breathing mask, has poor sealing performance of a one-way cushion of the breathing mask, cannot switch between natural inhalation and oxygen supply and the like, and achieves the aim.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a portable respirator with monitor function, includes laminating frame (1), buckle cover (2), stop collar (3) and filter equipment (4), its characterized in that: the adhesive frame (1) is of a hollow structure with an opening at the left end, a round hole is formed in the middle of the right side face of the adhesive frame (1), the front side face and the rear side face of the middle of the adhesive frame (1) are respectively connected with a buckle sleeve (2), a buckle is arranged at the left end of each buckle sleeve (2), the middle of each buckle sleeve (2) is of an elastic structure, a limiting sleeve (3) is located above each buckle sleeve (2), the limiting sleeve (3) is installed on the side face of the adhesive frame (1), a square hollow seat is arranged at the left end of each limiting sleeve (3), the middle of each limiting sleeve (3) is of an elastic structure, and a filtering device (4) is installed at the right end of the adhesive frame (1); wherein:
the filter device (4) comprises a detection cavity (41), a dust detection machine (42), a dust alarm lamp (43), a clamping mechanism (44), a rotating cavity (45), a limiting frame (46), an air inlet cavity (47), a one-way mechanism (48), a locking branched chain (49), a gas detector (410) and a gas alarm lamp (411), wherein the detection cavity (41) is arranged on the right side surface of the attaching frame (1), the detection cavity (41) is of a hollow structure, a clamping groove is formed in the outer side surface of the right end of the detection cavity (41), the dust detection machine (42) is distributed in the detection cavity (41), the dust detection machine (42) is positioned on the outer side of a round hole formed in the attaching frame (1), the dust detection machine (42) is arranged on the right side surface of the attaching frame (1), the lower end of the dust alarm lamp (43) is arranged on the dust detection machine (42), the upper end of the dust alarm lamp (43) penetrates through the upper side wall of the detection cavity, the clamping mechanism (44) is positioned on the right side of the dust detector (42), and the clamping mechanism (44) is arranged on the inner wall of the middle part of the detection cavity (41);
the left end of the rotating cavity (45) is provided with a latch, the left end of the rotating cavity (45) is installed on the right end of the detection cavity (41) in a buckling connection mode, the rotating cavity (45) is of a hollow cylinder structure with an open left end, the right side face of the rotating cavity (45) is provided with a one-way hole, the inner wall of the rotating cavity (45) is provided with a limiting frame (46), the limiting frame (46) is of a cross structure, the outer end of the limiting frame (46) is symmetrically provided with an extrusion platform, the one-way mechanisms (48) are distributed in the one-way holes formed in the rotating cavity (45), the one-way mechanisms (48) are installed on the right side face of the rotating cavity (45), the right side face of the rotating cavity (45) is provided with an air inlet cavity (47), the air inlet cavity (47) is of a hollow cylinder structure with an open left end, the right side face of the air inlet cavity (47) is uniformly provided with air inlets, and, the front end and the rear end of the one-way mechanism (48) are respectively provided with a locking branched chain (49), the gas detector (410) is arranged on the inner wall of the middle part of the gas inlet cavity (47), the bottom of the gas alarm lamp (411) is arranged on the gas detector (410), the upper end of the gas alarm lamp (411) penetrates through the upper side wall of the gas inlet cavity (47), the front end and the rear end of the gas inlet cavity (47) are respectively provided with a locking groove, and the left side wall and the right side wall of each locking groove of the gas inlet cavity (47) are respectively provided with a square hole;
the clamping mechanism (44) comprises a clamping mounting frame (441), a clamping sliding column (442), a sliding column spring (443), an extrusion block (444), an extrusion guide body (445), a guide body spring (446) and a pushing frame (447), the clamping mounting frame (441) is mounted on the inner wall of the middle part of the detection cavity (41), the clamping mounting frame (441) is of a cross structure, the clamping sliding columns (442) are symmetrically arranged on the clamping mounting frame (441), the middle part of each clamping sliding column (442) is connected with the clamping mounting frame (441) in a sliding fit manner, the extrusion block (444) is mounted on the right end of each clamping sliding column (442), extrusion holes which are inclined outwards are formed in the extrusion blocks (444), the extrusion guide body (445) is mounted on the inner wall of each extrusion hole in the extrusion block (444) through the guide body spring (446), and the sliding column spring (443) is arranged on the outer side of each clamping sliding column (442), the sliding column spring (443) is installed between the clamping installation frame (441) and the extrusion blocks (444), a pushing frame (447) is installed between the extrusion blocks (444), and a pushing bulge is arranged at the right end of the middle of the pushing frame (447).
2. The portable respirator with monitoring function according to claim 1, wherein: the one-way mechanism (48) comprises a one-way support frame (481), a one-way connecting column (482), a one-way rubber pad (483), a sealing ring (484), a sealing connecting frame (485) and a return spring (486), the middle part of the one-way support frame (481) is positioned at the inner side of a one-way hole formed in a rotating cavity (45), the outer side of the one-way support frame (481) is of an annular structure, the middle part of the one-way support frame (481) is of a cross structure, the right end of the one-way support frame (481) is installed on the right side surface of the rotating cavity (45), the left side surface of the one-way support frame (481) is provided with the one-way connecting column (482), the one-way rubber pad (483) is installed on the one-way connecting column (482), the sealing ring (484) is connected between the outer side of the one-way support frame (481) and the one-way hole formed in the rotating cavity (45) in, the classified spring (486) is distributed on the left side of the outer end of the sealing connecting frame (485), and the classified spring (486) is installed between the sealing connecting frame (485) and the right side face of the rotating cavity (45).
3. The portable respirator with monitoring function according to claim 2, wherein: locking branch chain (49) including locking connecting rod (491), locking hook (492), hook frame (493), flexible piece (494) and expanding spring (495), the inner of locking connecting rod (491) is installed on the lateral surface of sealed even frame (485), the locking groove that air inlet chamber (47) set up is passed to the outer end of locking connecting rod (491), install locking hook (492) on the outer end left surface of locking connecting rod (491), hook frame (493) are located the left side of locking hook (492), hook frame (493) are installed on the lateral wall of air inlet chamber (47), all install one flexible piece (494) through expanding spring (495) on the every square hole inner wall that locking groove set up on air inlet chamber (47).
4. The portable respirator with monitoring function according to claim 1, wherein: the rear side surface of the detection cavity (41) is connected with an oxygen pipe (412), and the oxygen pipe (412) is of a telescopic structure.
5. The portable respirator with monitoring function according to claim 1, wherein: the lower extreme in rotatory chamber (45) be provided with support bracket (451), both ends all are connected with a bearing belt (452) around support bracket (451), the middle part of bearing belt (452) is connected on the lateral surface of laminating frame (1), the left end of bearing belt (452) is installed on the square hollow seat that stop collar (3) set up.
6. The portable respirator with monitoring function according to claim 1, wherein: the lower extreme inner wall of laminating frame (1) on be provided with storage box (11), storage box (11) are upper end open-ended hollow structure, the upper end buckle of storage box (11) has storage lid (12), evenly is provided with the circular port on storage lid (12).
CN201811418183.3A 2018-11-26 2018-11-26 Portable respirator with monitoring function Active CN109529214B (en)

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CN114470548B (en) * 2022-04-18 2022-07-15 东营华亚国联航空燃料有限公司 Aviation fuel preparation is with allotment pump anti-splash device

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US4146887A (en) * 1977-08-05 1979-03-27 American Optical Corporation Respirator cartridge end-of-service life indicator
EP1121959A1 (en) * 2000-02-01 2001-08-08 Optrel Ag Emergency flight safety device
US20160271429A1 (en) * 2013-10-17 2016-09-22 Shigematsu Works Co., Ltd. Breathing apparatus
CN105457177A (en) * 2016-01-16 2016-04-06 郑辉 Intelligent mask with built-in detection device
CN207323874U (en) * 2017-09-07 2018-05-08 安徽省福泰精细化工有限责任公司 A kind of reliable labour protection equipment of dimethoxym ethane production effect
CN108325109A (en) * 2018-03-14 2018-07-27 上海净颖电子科技有限公司 A kind of mask

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