CN117679681A - Powered air-supplying respirator for heavy dust - Google Patents
Powered air-supplying respirator for heavy dust Download PDFInfo
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- CN117679681A CN117679681A CN202410036723.0A CN202410036723A CN117679681A CN 117679681 A CN117679681 A CN 117679681A CN 202410036723 A CN202410036723 A CN 202410036723A CN 117679681 A CN117679681 A CN 117679681A
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- respirator
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- 239000000428 dust Substances 0.000 title claims abstract description 38
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 23
- 125000006850 spacer group Chemical group 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 description 12
- 239000000126 substance Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 206010021143 Hypoxia Diseases 0.000 description 4
- 230000007954 hypoxia Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to a powered air supply respirator for heavy dust, which belongs to the technical field of respirators and comprises a shell, wherein a separator is connected to the inside of the shell, the inside of the shell is divided into two cavities through the separator, an air filtering component is arranged in the shell, the air filtering component comprises a filter core arranged in one of the cavities, an air inlet through groove is formed in the shell, a negative pressure suction element is arranged in the other cavity, a ventilation duct is formed in the separator, an input port of the negative pressure suction element is communicated with the ventilation duct, and an electronic control system is arranged in the cavity where the negative pressure suction element is located.
Description
Technical Field
The invention belongs to the technical field of respirators, and particularly relates to a powered air supply respirator for heavy dust.
Background
The respirator is widely applied to departments such as fire protection, mines and the like, and is used for personnel in various environments such as dense smoke, toxic gas, steam or hypoxia. The dust and other substances in the air are filtered through the respirator, so that the generation of pneumoconiosis can be effectively reduced.
The breathing modes of the breathing device are as follows: self-priming respirator, power air supply respirator, wherein self-priming respirator is inhaled outside air through the respirator by the person of wearing, utilize the filter core in the respirator to filter harmful substance in the outside air, but the filter core is when filtering harmful substance, harmful substance can adsorb on the filter core for the trafficability characteristic of filter core reduces, leads to the person of wearing to appear breathing unsmoothly, symptom such as hypoxia, and power air supply respirator is then inhaled air through electric power as the power supply, can overcome the influence that the filter core trafficability characteristic reduces to a certain extent through forced air supply, reduces the breathing burden of person of wearing, can effectively improve the uncomfortable sense of self-priming respirator.
Because the power air supply respirator needs the fan to forcibly suck air, the electronic components for controlling the fan are arranged in the power air supply respirator, and the filter element is usually arranged in the power air supply respirator, so that the air and harmful substances in the air can be adsorbed on the filter element after entering the power air supply respirator, and can be scattered into the electronic components, particularly in the heavy dust environment, a large amount of dust entering the power air supply respirator is easy to cause the electronic components to fail, and the service life of the respirator is reduced.
Disclosure of Invention
In view of the above, the invention provides a powered air supply respirator for heavy dust, which not only can ensure normal breathing of personnel when working in a heavy dust environment, but also can avoid faults caused by dust entering an electronic control system, so as to solve the defects in the prior art.
The technical proposal of the inventionThe method comprises the following steps: a power air supply respirator for heavy dust comprises a shell, a separator is connected in the shell, the separator is abutted with the inner wall of the shell, the interior of the shell is divided into two cavities through the separator, an air filter assembly is arranged in the shell and comprises a filter core which is arranged in one of the cavities, the filter core is parallel to the separator, the filter core is abutted with the shell and the separator, an air inlet through groove is formed in the shell and is positioned on one side of the filter core away from the separator, the air inlet through groove is communicated with the cavity where the filter core is positioned, a negative pressure suction element is arranged in the other cavity, a ventilation duct is formed in the separator, an input port of the negative pressure suction element is communicated with the ventilation duct, an electronic control system is arranged in the cavity where the negative pressure suction element is positioned and is electrically connected with the negative pressure suction element for controlling the operation of the negative pressure suction element 。
Preferably, the isolating piece is vertical setting and its cross section is the U type, the opening both ends and the inner wall butt of casing of isolating piece, the vertical setting of filter core is in the inboard of isolating piece, filter core and the opening both sides mutually perpendicular of isolating piece and rather than the butt, one side level that the filter core is close to the air inlet and leads to the groove is equipped with the brush cleaner, brush cleaner and filter core butt, brush cleaner along vertical direction and isolating piece sliding connection, be equipped with linear displacement mechanism on the isolating piece, linear displacement mechanism's output is connected with the brush cleaner for drive brush cleaner reciprocating motion.
Preferably, the linear displacement mechanism includes: the screw rod is vertically arranged on the inner side of the isolation piece, the screw rod penetrates through the cleaning brush and is in threaded fit connection with the cleaning brush, the inner side of the isolation piece is fixedly connected with the rotary power part, the output shaft of the rotary power part is connected with one end of the screw rod, and the other end of the screw rod is rotationally connected with the shell.
Preferably, the shell is provided with a mounting hole, the mounting hole is positioned right below the cleaning brush, and the mounting hole is vertically provided with an ash bucket and is detachably and fixedly connected with the ash bucket.
Preferably, the shell is provided with a mounting through groove right above the isolating piece, the filter core penetrates through the mounting through groove and stretches into the isolating piece, the air inlet through groove is positioned on one side of the mounting through groove away from the negative pressure suction element, and the air inlet through groove is parallel to the mounting through groove.
Preferably, the inside of the isolation piece is vertically provided with two sliding rails, the sliding rails are parallel to two sides of the opening of the isolation piece, the two sliding rails are respectively parallel to two ends of the mounting through groove, two clamping frames are symmetrically arranged on two sides of the filter element and are parallel to each other, the two clamping frames are detachably and fixedly connected, the peripheral edges of the filter element are clamped through the clamping frames, the clamping frames penetrate through the mounting through groove and are in butt joint with the inner wall of the mounting through groove, and the clamping frames are in sliding sealing connection with the sliding rails.
Preferably, the method further comprises: the upper cover is positioned at the top of the shell and is detachably and hermetically connected with the shell, the upper cover is in butt joint with the isolating piece, the air inlet through groove and the mounting through groove are positioned on the upper cover, the upper cover is vertically provided with an air guide connecting pipe in a penetrating mode, one end of the air guide connecting pipe is communicated with the output port of the negative pressure suction element, and the other end of the air guide connecting pipe is detachably connected with the pipeline of the breathing mask.
Preferably, one side of the isolation piece far away from the installation through groove is provided with a fixing frame, the fixing frame is connected with the isolation piece and the shell, the negative pressure suction element is fixed on the fixing frame, the top of the fixing frame is vertically connected with a guide cylinder, the guide cylinder is positioned under the air guide connecting pipe, one end of the guide cylinder is communicated with an output port of the negative pressure suction element, and the other end of the guide cylinder is abutted with the upper cover and communicated with the air guide connecting pipe.
Preferably, the electronic control system comprises: the battery and the negative pressure suction element are electrically connected with the main board.
Compared with the prior art, the power air supply respirator for heavy dust has the advantages that the inside of the power air supply respirator is divided into two cavities through the partition piece in the shell, the fan, the filter core and the air inlet through groove of the air filter assembly are arranged in one cavity, and the electronic control system is arranged in the other cavity, so that the air can be actively sucked and filtered, normal breathing of personnel in a heavy dust environment is ensured, faults caused by dust entering the electronic control system are avoided, and the service life of the respirator is further prolonged; the respirator of the invention has the advantages of long service life, good effect and strong practicability, and is worth popularizing.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is an internal block diagram of the present invention;
fig. 3 is a top view of the present invention.
Detailed Description
The present invention provides a powered air-blown respirator for heavy dust, and is described below with reference to the schematic structural drawings of fig. 1 to 3.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
The respirator is widely applied to departments such as fire protection, mines and the like, and is used for personnel in various environments such as dense smoke, toxic gas, steam or hypoxia. The dust and other substances in the air are filtered through the respirator, so that the generation of pneumoconiosis can be effectively reduced.
The breathing modes of the breathing device are as follows: self-priming respirator, power air supply respirator, wherein self-priming respirator is inhaled outside air through the respirator by the person of wearing, utilize the filter core in the respirator to filter harmful substance in the outside air, but the filter core is when filtering harmful substance, harmful substance can adsorb on the filter core for the trafficability characteristic of filter core reduces, leads to the person of wearing to appear breathing unsmoothly, symptom such as hypoxia, and power air supply respirator is then inhaled air through electric power as the power supply, can overcome the influence that the filter core trafficability characteristic reduces to a certain extent through forced air supply, reduces the breathing burden of person of wearing, can effectively improve the uncomfortable sense of self-priming respirator.
Because the power air supply respirator needs the fan to forcibly suck air, the electronic components for controlling the fan are arranged in the power air supply respirator, and the filter element is usually arranged in the power air supply respirator, so that the air and harmful substances in the air can be adsorbed on the filter element after entering the power air supply respirator, and can be scattered into the electronic components, particularly in the heavy dust environment, a large amount of dust entering the power air supply respirator is easy to cause the electronic components to fail, and the service life of the respirator is reduced.
Based on the problems, the power air supply respirator for heavy dust provided by the embodiment of the invention has the advantages that the interior of the power air supply respirator is divided into two cavities through the partition piece in the shell, the fan, the filter core and the air inlet through groove of the air filter assembly are arranged in one cavity, and the electronic control system is arranged in the other cavity, so that the air can be actively sucked and filtered, normal breathing of personnel in a heavy dust environment is ensured, faults caused by dust entering the electronic control system are avoided, and the service life of the respirator is further prolonged.
As shown in the drawing, fig. 1 is an exploded view of this embodiment, a powered air-supply respirator for heavy dust, which comprises a housing 1, a spacer 2 is connected in the inside of the housing 1, the spacer 2 is abutted against the inner wall of the housing 1, the inside of the housing 1 is divided into two cavities by the spacer 2, an air filtering component is arranged in the housing 1, the air filtering component comprises a filter core 3, which is arranged in one of the cavities, the filter core 3 is parallel to the spacer 2, the filter core 3 is abutted against the housing 1 and the spacer 2, an air inlet through groove 4 is formed in the housing 1, the air inlet through groove 4 is located at one side of the filter core 3 away from the spacer 2, the air inlet through groove 4 is communicated with the cavity where the filter core 3 is located, a negative pressure suction element 5 is arranged in the other cavity, a ventilation duct is formed in the spacer 2, an input port of the negative pressure suction element 5 is communicated with the ventilation duct, an electronic control system is arranged in the cavity where the negative pressure suction element 5 is located, and the electronic control system is electrically connected with the negative pressure suction element 5 for controlling the operation of the negative pressure suction element 5.
This respirator utilizes the spacer to be in a solitary region now with the filter core to avoid the dust that filters out in the respirator to lead to electronic components to break down, but after long-time use, the dust on the filter core is more, can influence the air supply effect of respirator.
For this reason, in the solution proposed in this embodiment, preferably, the spacer 2 is vertically disposed and has a U-shaped cross section, two ends of the opening of the spacer 2 are abutted against the inner wall of the housing 1, the filter core 3 is vertically disposed at the inner side of the spacer 2, two sides of the opening of the filter core 3 and two sides of the opening of the spacer 2 are mutually perpendicular and abutted against each other, a cleaning brush 6 is horizontally disposed at one side of the filter core 3, which is close to the air inlet through slot 4, the cleaning brush 6 is abutted against the filter core 3, the cleaning brush 6 is slidably connected with the spacer 2 along the vertical direction, a linear displacement mechanism is disposed on the spacer 2, and an output end of the linear displacement mechanism is connected with the cleaning brush 6 for driving the cleaning brush 6 to reciprocate.
Through the cooperation of the partition 2, the cleaning brush 6 and the linear displacement mechanism, which are U-shaped in cross section, in the embodiment, the cleaning brush 6 can be driven to displace along the length direction of the filter core 3, so that dust on the surface of the filter core 3 is cleaned, the service time of the filter core is prolonged, and the accumulated dust is prevented from influencing the air supply effect of the respirator more.
The linear displacement mechanism of the above embodiment is specifically configured so that, preferably, the linear displacement mechanism includes: the screw rod 7, the vertical inboard that sets up at the separator 2 of screw rod 7, screw rod 7 pass brush cleaner 6 and rather than screw-thread fit connection, the inboard fixedly connected with rotary power part 8 of separator 2, the output shaft and the screw rod 7 one end of rotary power part 8 are connected, the other end and the casing 1 rotation of screw rod 7 are connected.
In this embodiment, the filter core is cleaned back and forth through the cooperation of the screw rod 7 and the rotary power part 8, dust is cleaned down, the air supply effect of the respirator can be effectively improved, in addition, in order to prevent the false touching of the starting button of the rotary power part 8, two buttons can be arranged on the shell, and the rotary power part 8 can be started only by pressing the two buttons in sequence.
It will be appreciated by those skilled in the art that the rotary power unit should be a component that provides rotational movement, including but not limited to a conventional motor and a cooperating decelerator or steering engine.
Preferably, the housing 1 is provided with a mounting hole 11, the mounting hole 11 is located under the cleaning brush 6, the mounting hole 11 is vertically provided with an ash cleaning bucket 12 and is detachably and fixedly connected with the ash cleaning bucket 12, and the ash cleaning bucket 12 specifically arranged in the embodiment can collect dust which is cleaned and falls off by the cleaning brush 6.
As a further optimized scheme, in the embodiment of the disclosure, a mounting through groove 13 is formed right above the separator 2 in the housing 1, the filter element 3 passes through the mounting through groove 13 and stretches into the separator 2, and the air inlet through groove 4 is located at one side of the mounting through groove 13 away from the negative pressure suction element 5, and the air inlet through groove 4 is parallel to the mounting through groove 13.
In the embodiment, the filter element 3 can be replaced by arranging the mounting through groove 13, so that the air supply effect of the respirator is further improved, the faults of small air quantity and the like caused by long-time use of dust to block the filter element are avoided, the mounting through groove 13 is provided with a limiting function, the mounted filterability is kept stable, the strip-shaped air inlet through groove 4 can ensure sufficient air quantity, larger garbage is prevented from entering the respirator and blocking the air inlet through groove 4,
in the above embodiment, the specific connection mode of the filter element and the spacer is preferably that the inner side of the spacer 2 is vertically provided with two sliding rails 21, the two sliding rails 21 are parallel to each other on both sides of the opening of the spacer 2, the two sliding rails 21 are respectively parallel to both ends of the mounting through groove 13, two clamping frames 31 are symmetrically arranged on both sides of the filter element 3 and parallel to each other, the two clamping frames 31 are detachably and fixedly connected, the peripheral edge of the filter element 3 is clamped by the clamping frames 31, the clamping frames 31 penetrate through the mounting through groove 13 and are abutted against the inner wall of the mounting through groove 13, and the clamping frames 31 are in sliding sealing connection with the sliding rails 21.
Preferably, the method further comprises: the upper cover 14, the upper cover 14 is located the top of casing 1 and can dismantle sealing connection with it, and upper cover 14 and isolator 2 butt are led to the air inlet and are led to the groove 4, are installed and lead to the groove 13 to be located the upper cover 14, and the vertical air guide connecting pipe 15 that wears to be equipped with on the upper cover 14, and air guide connecting pipe 15's one end and the delivery outlet intercommunication of negative pressure suction component 5, the other end can dismantle with the pipeline of respirator and be connected.
The embodiment discloses the setting mode of casing, and the top lid 14 that the casing top set up is convenient to maintain, change the inside device of respirator, and the person of facilitating the use communicates the intake pipe of face guard with the air guide connecting pipe moreover, and the intake pipe passes through interference fit gas with the air guide connecting pipe and is connected in addition, improves the leakproofness.
After the negative pressure suction element is used for sucking outside air into the shell for filtering, clean air flows out from the output port of the negative pressure suction element, so that air backlog flowing out of the negative pressure suction element is avoided in the shell as much as possible, and less wind is sent to users.
As shown in the drawing, fig. 2 is an internal structural diagram of the present embodiment, preferably, a fixing frame 22 is disposed on one side of the isolation member 2 away from the installation through groove 13, the fixing frame 22 is connected with the isolation member 2 and the housing 1, the negative pressure suction element 5 is fixed on the fixing frame 22, a guide cylinder 23 is vertically connected to the top of the fixing frame 22, the guide cylinder 23 is located under the air guide connecting pipe 15, one end of the guide cylinder 23 is communicated with the output port of the negative pressure suction element 5, and the other end is abutted with the upper cover 14 and communicated with the air guide connecting pipe 15.
In this embodiment, the negative pressure suction element 5 and the guide cylinder 23 are fixed by the fixing frame 22, so that clean air after filtration can directly enter the air guide connecting pipe 15 through the guide cylinder, thereby enabling the clean air to enter the mask for being conveniently breathed by a user, wherein the guide cylinder 23 and the upper cover 14 are connected with a square sealing ring above the time pad, and the fixing frame 22 is used for setting the wiring position of the negative pressure suction element 5.
The negative pressure suction element 5 in the respirator of the present invention is a blower.
As shown in fig. 3, which is a top view of the present embodiment, the electronic control system preferably includes: the battery 9 and the main board 10 are electrically connected with the battery 9 and the negative pressure suction element 5, wherein the battery 9 and the main board 10 are correspondingly provided with mounting grooves in the shell, the battery 9 and the main board 10 are clamped in the corresponding mounting grooves, the shell 1 is further provided with a charging port 16, and the charging port 16 is electrically connected with the main board 10.
In this embodiment, the battery 9 supplies power to the main board 10, the negative pressure suction element 5 and the rotating power part 8, the main board 10 controls the negative pressure suction element 5 and the rotating power part 8, the main board 10 is also connected with the screen on the shell, so that a user can conveniently check the state of the respirator and the overflow value of the respirator, and the screen can be changed according to the needs of the user according to the environment where the user is located.
In addition, be connected with air quality sensor 24 on the draft tube 23, detect it when the air current flows through draft tube 23, air quality sensor 24 is connected with the mainboard 10 electricity, sets up the audible and visual alarm module that buzzer and flash light collocation formed on the casing, when the information that air quality sensor 24 detected passed to mainboard 10, control system on the mainboard 10 starts audible and visual alarm module according to the detection condition, can in time remind the equipment wearer to leave current environment, guarantees user's operation environmental security.
The powered air supply respirator can check the air quality environment of the equipment through the computer end and the mobile phone end applet built by the Internet of things, wherein the surrounding air quality environment data is detected, the surrounding air quality environment data exceeds the human body bearing overflow value, and the audible and visual alarm of the buzzer and the flash lamp can prompt the equipment wearer to leave the current environment in time, so that the safety of the operation environment of the user is ensured.
The powered air supply respirator is generally worn in the lumbar, one side of the shell is arc-shaped and is attached to the waist of a human body, so that the wearing stability is improved.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.
Claims (9)
1. A powered air-blown respirator for heavy dust comprising: casing (1), its characterized in that still includes:
a spacer (2) connected to the inside of the housing (1), wherein the spacer (2) is in contact with the inner wall of the housing (1), and the inside of the housing (1) is divided into two cavities by the spacer (2);
an air filter assembly disposed in the housing (1), the air filter assembly comprising:
the filter element (3) is arranged in one of the cavities, the filter element (3) and the isolating piece (2) are parallel to each other, and the filter element (3) is abutted with the shell (1) and the isolating piece (2);
the air inlet through groove (4) is formed in the shell (1), the air inlet through groove (4) is positioned at one side of the filter core (3) away from the separator (2), and the air inlet through groove (4) is communicated with a cavity where the filter core (3) is positioned;
the negative pressure suction element (5) is arranged in the other cavity, a ventilation duct is arranged on the partition (2), and an input port of the negative pressure suction element (5) is communicated with the ventilation duct;
the electronic control system is arranged in the cavity where the negative pressure suction element (5) is arranged, and is electrically connected with the negative pressure suction element (5) and used for controlling the negative pressure suction element (5) to operate 。
2. The powered air supply respirator for heavy dust according to claim 1, wherein the isolation piece (2) is vertically arranged and has a U-shaped cross section, two ends of an opening of the isolation piece (2) are in butt joint with the inner wall of the shell (1), the filter core (3) is vertically arranged on the inner side of the isolation piece (2), the filter core (3) is mutually perpendicular to two sides of the opening of the isolation piece (2) and is in butt joint with the partition piece, a cleaning brush (6) is horizontally arranged on one side, close to the air inlet through groove (4), of the filter core (3), the cleaning brush (6) is in butt joint with the filter core (3), the cleaning brush (6) is in sliding connection with the isolation piece (2) along the vertical direction, and a linear displacement mechanism is arranged on the isolation piece (2), and the output end of the linear displacement mechanism is connected with the cleaning brush (6) and is used for driving the cleaning brush (6) to reciprocate.
3. The powered air-supplied respirator for heavy dust of claim 2, wherein the linear displacement mechanism comprises: screw rod (7), screw rod (7) are vertical to be set up the inboard of isolator (2), screw rod (7) pass brush cleaner (6) and rather than screw-thread fit connection, the inboard fixedly connected with rotation power portion (8) of isolator (2), the output shaft of rotation power portion (8) with screw rod (7) one end is connected, the other end of screw rod (7) with casing (1) rotation is connected.
4. The powered air-supplying respirator for heavy dust according to claim 2, wherein the housing (1) is provided with a mounting hole (11), the mounting hole (11) is located under the cleaning brush (6), and the mounting hole (11) is vertically provided with an ash cleaning bucket (12) and is detachably and fixedly connected with the ash cleaning bucket.
5. The powered air-supplying respirator for heavy dust according to claim 1, wherein the housing (1) is located right above the separator (2) and provided with a mounting through groove (13), the filter element (3) extends into the separator (2) through the mounting through groove (13), the air inlet through groove (4) is located on one side of the mounting through groove (13) away from the negative pressure suction element (5), and the air inlet through groove (4) and the mounting through groove (13) are parallel to each other.
6. The powered air-supplying respirator for heavy dust according to claim 5, wherein two sliding rails (21) are vertically arranged on the inner side of the isolation piece (2), the sliding rails (21) are parallel to each other on two sides of the opening of the isolation piece (2), the two sliding rails (21) are respectively parallel to two ends of the installation through groove (13), two clamping frames (31) are symmetrically arranged on two sides of the filter core (3) and parallel to each other, the two clamping frames (31) are detachably and fixedly connected, the surrounding edges of the filter core (3) are clamped through the clamping frames (31), the clamping frames (31) penetrate through the installation through groove (13) and are abutted to the inner walls of the installation through groove, and the clamping frames (31) are in sliding sealing connection with the sliding rails (21).
7. The powered air-blown respirator for heavy dust of claim 6, further comprising: the upper cover (14), upper cover (14) are located the top of casing (1) and rather than dismantling sealing connection, upper cover (14) with isolator (2) butt, inlet air through groove (4), installation through groove (13) are located upper cover (14), upper cover (14) is last to vertically wears to be equipped with air guide connecting pipe (15), air guide connecting pipe (15) one end with the delivery outlet intercommunication of negative pressure pumping element (5), the other end is dismantled with the pipeline of respirator and is connected.
8. The powered air-supplying respirator for heavy dust according to claim 6, wherein a fixing frame (22) is arranged on one side of the isolation piece (2) away from the installation through groove (13), the fixing frame (22) is connected with the isolation piece (2) and the shell (1), the negative pressure suction element (5) is fixed on the fixing frame (22), a guide cylinder (23) is vertically connected to the top of the fixing frame (22), the guide cylinder (23) is located under the air guide connecting pipe (15), one end of the guide cylinder (23) is communicated with an output port of the negative pressure suction element (5), and the other end of the guide cylinder (23) is in butt joint with the upper cover (14) and is communicated with the air guide connecting pipe (15).
9. The powered air-blown respirator for heavy dust of claim 1, wherein the electronic control system comprises: the device comprises a battery (9) and a main board (10), wherein the battery (9) and the negative pressure suction element (5) are electrically connected with the main board (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410036723.0A CN117679681A (en) | 2024-01-10 | 2024-01-10 | Powered air-supplying respirator for heavy dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410036723.0A CN117679681A (en) | 2024-01-10 | 2024-01-10 | Powered air-supplying respirator for heavy dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117679681A true CN117679681A (en) | 2024-03-12 |
Family
ID=90133597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410036723.0A Pending CN117679681A (en) | 2024-01-10 | 2024-01-10 | Powered air-supplying respirator for heavy dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117679681A (en) |
-
2024
- 2024-01-10 CN CN202410036723.0A patent/CN117679681A/en active Pending
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