CN114130140A - Filter element replaceable toxin filtering and ventilating device - Google Patents
Filter element replaceable toxin filtering and ventilating device Download PDFInfo
- Publication number
- CN114130140A CN114130140A CN202111404249.5A CN202111404249A CN114130140A CN 114130140 A CN114130140 A CN 114130140A CN 202111404249 A CN202111404249 A CN 202111404249A CN 114130140 A CN114130140 A CN 114130140A
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- Prior art keywords
- fixedly connected
- air inlet
- ventilator
- inlet cover
- toxin
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- 239000003053 toxin Substances 0.000 title claims abstract description 30
- 231100000765 toxin Toxicity 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 title claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000011045 prefiltration Methods 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 17
- 231100000614 poison Toxicity 0.000 claims description 10
- 239000002574 poison Substances 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims 1
- 230000001988 toxicity Effects 0.000 abstract 1
- 231100000419 toxicity Toxicity 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a filter element replaceable toxin filtering and ventilating device, which relates to the field of toxin filtering and ventilating and comprises a base, wherein the top of the base is fixedly connected with a motor, the outer side of the motor is fixedly connected with a ventilator, the top of the ventilator is fixedly connected with an air outlet pipe, and one end, far away from the motor, of the ventilator is fixedly connected with a guide pipe. According to the toxicity filtering and ventilating device with the replaceable filter element, when the filter cartridge needs to be replaced, the extrusion cover on the outer side of the air inlet cover is pulled, so that the extrusion cover drives the connecting rod to move in the air inlet cover, the fixed disc is driven to be far away from the filter cartridge through the movement of the connecting rod, the filter cartridge can be easily taken out for replacement, when a new filter cartridge is replaced, the extrusion cover is pushed, so that the connecting rod drives the fixed disc to move, the filter cartridge in the air inlet cover is fixed, and the fixed disc is prevented from moving in the air inlet cover through the matching of the positioning column and the groove.
Description
Technical Field
The invention relates to the field of toxin filtering and ventilation, in particular to a toxin filtering and ventilation device with a replaceable filter element.
Background
The poison filtering ventilation device can provide a safe environment for personnel in a carriage, contaminated air is brought in when exhaust personnel pass in and out, the poison filtering ventilation device is ensured not to be damaged by toxic gas, the conventional poison filtering ventilation device is provided with a filter cartridge in an air inlet cover, if the working time of the filter cartridge is longer, impurities can be fully distributed on the surface of the filter cartridge, so that the filter effect cannot be provided, the follow-up poison filtering device cannot normally work, the filter cartridge is fixed and inconvenient to replace, the cost is higher, the contaminated filter cartridge cannot filter gas in the carriage, the health of detection personnel in the carriage cannot be ensured for a long time, and when the air filters harmful substances, a lot of water vapor with other impurities exists in the gas, if the air is exhausted together with the air, the harm can still be caused to the health of a human body.
In view of the above problems, it is desirable to design a toxic gas filtering and ventilating device with replaceable filter element, so as to overcome the above problems.
Disclosure of Invention
The invention mainly aims to provide a toxin filtering and ventilating device with a replaceable filter element, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a filter element replaceable toxin filtering and ventilating device comprises a base, wherein a motor is fixedly connected to the top of the base, a ventilator is fixedly connected to the outer side of the motor, an air outlet pipe is fixedly connected to the top of the ventilator, a guide pipe is fixedly connected to one end, far away from the motor, of the ventilator, a toxin filter is fixedly connected to the outer side of the guide pipe, a through pipe is fixedly connected to the bottom of the toxin filter, a prefilter is fixedly connected to the top of the through pipe, a hose is fixedly connected to the top of the prefilter, a display ring is fixedly connected to the top of the hose, a connecting pipe is fixedly connected to the outer side of the display ring, an air inlet cover is fixedly connected to one end, far away from the display ring, of the connecting pipe, a filter cartridge is movably connected to the inner portion of the air inlet cover, an extrusion cover is movably connected to the outer side of the air inlet cover, and an adapter rod is fixedly connected to one end, near the air inlet cover, of the extrusion cover, one end of the connecting rod, which is far away from the extrusion cover, is fixedly connected with a fixed disc, the inner side of the extrusion cover is fixedly connected with a positioning column, a groove is arranged inside the air inlet cover, a transmission rod is fixedly connected inside the ventilator, the bottom of the transmission rod is fixedly connected with a heating ring, the heating ring is internally provided with a vent, the bottom of the heating ring is fixedly connected with a lead, the bottom of the lead is fixedly connected with a rheostat, the periphery of the rheostat is connected with a conductive column in a sliding way, the bottom of the conductive column is fixedly connected with a push rod, the outer side of the push rod is fixedly connected with a movable column, the bottom of the movable column is fixedly connected with an air spring, the bottom of the air spring is fixedly connected with an air bag, the inner wall of the outer side of the ventilator is fixedly connected with a chassis, the top fixedly connected with reset spring on chassis, reset spring's top fixedly connected with extrusion stem.
Preferably, motor fixed connection is in the position of base top positive center, go out the tuber pipe and be located the position of ventilation blower top positive center, use through the cooperation of motor with the ventilation blower to discharge the filterable gas from going out the tuber pipe.
Preferably, the number of the canister filters is two, the two canister filters are connected through a through pipe, the prefilter is located on the left side of the canister filters, and the canister filters harmful gas in the air through the cooperation of the canister filters and the prefilter.
Preferably, the top of the poison filtering device and the top of the prefilter are both fixedly connected with hoses, the filter cartridges are positioned in the right center of the interior of the air inlet cover, and the filter cartridges are movably connected in the air inlet cover, so that the filter cartridges filter larger particles in the air.
Preferably, the extrusion covers are uniformly distributed on the outer side of the air inlet cover, the distance between every two extrusion covers is the same, one end, far away from the extrusion covers, of the connecting rod is movably connected inside the air inlet cover, and the extrusion covers are pushed, so that the extrusion covers drive the connecting rod to move inside the air inlet cover.
Preferably, fixed disk evenly distributed is in the inside of air inlet cover, the reference column is the same with the quantity of recess, and reference column and recess are in the coplanar, uses through the cooperation of reference column and recess to make reference column fixed connection in the inside of recess, prevent that the fixed disk from rocking in the inside of air inlet cover.
Preferably, the number of the transmission rods is two, the transmission rods are symmetrically distributed in the ventilator, the top of each transmission rod is fixedly connected to the inner top wall of the ventilator, and the heating ring is fixedly connected to the inside of the ventilator under the action of the transmission rods.
Preferably, the periphery of the heating ring is attached to the inner wall of the ventilator, the vent is located at the right center inside the heating ring, and the air passes through the vent inside the heating ring, so that the moisture in the air is evaporated to dryness.
Preferably, the rheostat is fixedly connected inside the ventilator, the conductive column is slidably connected to the outer side of the rheostat, and the air bag is located at the position right in the center of the bottom of the ventilator and is used in cooperation with the conducting wire, so that the current inside the heating ring is changed, and the heat generated by the heating ring is changed.
Advantageous effects
Compared with the prior art, the invention provides a toxin filtering and ventilating device with a replaceable filter element, which has the following beneficial effects:
1. the filtering and ventilating device with the replaceable filter element comprises an air inlet cover, a pre-filter, a ventilator, a motor, a ventilator, a connecting rod, a fixing disc, a positioning column, a groove and a filter cartridge, wherein the air inlet cover is arranged on the air inlet cover, the air inlet cover is used for enabling air to enter the air inlet cover, the filter cartridge is used for filtering larger particles in the air under the action of the filter cartridge, the pre-filter is matched with the gas filter, the harmful substances in the air are filtered, the motor is matched with the ventilator for use, the filtered air is discharged, when the filter cartridge needs to be replaced, the extruding cover on the outer side of the air inlet cover is pulled, the connecting rod is driven by the extruding cover to move in the air inlet cover, the fixing disc is driven by the moving of the connecting rod to be far away from the filter cartridge, the filter cartridge can be easily taken out for replacement, when the filter cartridge is replaced, the extruding cover is pushed, the connecting rod drives the fixing disc to move, the filter cartridge in the air inlet cover is fixed, and is used by matching the positioning column and the groove, thereby preventing the fixed disk from moving in the air inlet cover.
2. The filtering and ventilating device with the replaceable filter element has the advantages that the heating ring is fixedly connected inside the ventilator through the arranged transmission rod, the heating ring is electrified to generate heat through the matching use of the rheostat and the conducting wire, the moisture in the air entering the ventilation opening is evaporated, when the wind power in the through pipe is increased, the reset spring is pulled through the extrusion rod to extrude the air bag in the ventilator, the gas in the air bag is conveyed into the air spring to extend the air spring, the air spring is matched with the moving column to enable the push rod to drive the conductive column to move on the periphery of the rheostat, the resistance value of the rheostat is reduced, when the resistance value is reduced, the current in the heating ring is increased, at the moment, the heat generated by the heating ring is increased, and the moisture in the air can be completely evaporated, preventing the harm of the residual harmful substances to human bodies.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the air inlet cover and filter cartridge of the present invention;
FIG. 3 is a schematic view of the structure of the air inlet cover of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2 of the present invention at A;
FIG. 5 is a cross-sectional view of the internal structure of the ventilator of the present invention;
fig. 6 is a schematic structural diagram of the varistor and the conductive pillar according to the present invention;
fig. 7 is an enlarged view of the structure of fig. 5 at B according to the present invention.
In the figure: 1. a base; 2. a motor; 3. a ventilator; 4. an air outlet pipe; 5. a conduit; 6. a poison filter; 7. pipe passing; 8. a prefilter; 9. a hose; 10. displaying a circle; 11. a connecting pipe; 12. an air inlet cover; 13. a filter cartridge; 14. an extrusion cover; 15. a connecting rod; 16. fixing the disc; 17. a positioning column; 18. a groove; 19. a transmission rod; 20. heating a ring; 21. a vent; 22. a wire; 23. a varistor; 24. a conductive post; 25. a push rod; 26. moving the column; 27. an air spring; 28. an air bag; 29. a chassis; 30. a return spring; 31. the rod is squeezed.
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 described with the specific embodiments.
As shown in fig. 1-7, a toxin filtering and ventilating device with replaceable filter element comprises a base 1, a motor 2 fixedly connected to the top of the base 1, a ventilator 3 fixedly connected to the outer side of the motor 2, the motor 2 fixedly connected to the center of the top of the base 1, an air outlet pipe 4 located at the center of the top of the ventilator 3, an air outlet pipe 4 fixedly connected to the top of the ventilator 3, a duct 5 fixedly connected to one end of the ventilator 3 away from the motor 2, a toxin filter 6 fixedly connected to the outer side of the duct 5, a through pipe 7 fixedly connected to the bottom of the toxin filter 6, a prefilter 8 fixedly connected to the top of the through pipe 7, two toxin filters 6 connected to each other through the through pipe 7, the prefilter 8 located on the left side of the toxin filter 6, a hose 9 fixedly connected to the top of the prefilter 8, and a display ring 10 fixedly connected to the top of the hose 9, the outer side of the display ring 10 is fixedly connected with a connecting pipe 11, one end of the connecting pipe 11 far away from the display ring 10 is fixedly connected with an air inlet cover 12, the inner part of the air inlet cover 12 is movably connected with a filter cartridge 13, the tops of the poison filtering device 6 and the pre-filter 8 are both fixedly connected with a hose 9, the filter cartridge 13 is positioned at the center position in the air inlet cover 12, the outer side of the air inlet cover 12 is movably connected with a squeezing cover 14, the squeezing covers 14 are uniformly distributed at the outer side of the air inlet cover 12, the distance between every two squeezing covers 14 is the same, one end of each squeezing cover 15 far away from the squeezing cover 14 is movably connected in the air inlet cover 12, one end of each squeezing cover 14 close to the air inlet cover 12 is fixedly connected with a connecting rod 15, one end of each connecting rod 15 far away from the squeezing cover 14 is fixedly connected with a fixed disc 16, the inner side of each squeezing cover 14 is fixedly connected with a positioning column 17, a groove 18 is formed in the air inlet cover 12, the air enters the air inlet cover 12, the larger particles in the air are filtered under the action of the filter cartridge 13, the prefilter 8 is matched with the toxin filter 6 for use, so that the harmful substances in the air are filtered, at the moment, the motor 2 is matched with the ventilator 3 for use, so that the filtered air is discharged, when the filter cartridge 13 needs to be replaced, the extrusion cover 14 on the outer side of the air inlet cover 12 is pulled, so that the extrusion cover 14 drives the connecting rod 15 to move in the air inlet cover 12, the fixing disc 16 is driven to be away from the filter cartridge 13 through the movement of the connecting rod 15, at the moment, the filter cartridge 13 can be easily taken out for replacement, when the new filter cartridge 13 is replaced, the extrusion cover 14 is pushed, so that the connecting rod 15 drives the fixing disc 16 to move, the filter cartridge 13 in the air inlet cover 12 is fixed, and the positioning column 17 is matched with the groove 18 for use, thereby preventing the fixed disk 16 from moving inside the inlet cover 12.
The fixed disc 16 is uniformly distributed in the air inlet cover 12, the number of the positioning columns 17 is the same as that of the grooves 18, the positioning columns 17 and the grooves 18 are positioned on the same plane, the interior of the ventilator 3 is fixedly connected with two transmission rods 19, the transmission rods 19 are symmetrically distributed in the ventilator 3, the top of each transmission rod 19 is fixedly connected with the inner top wall of the ventilator 3, the bottom of each transmission rod 19 is fixedly connected with a heating ring 20, the interior of each heating ring 20 is provided with a vent 21, the periphery of each heating ring 20 is attached to the inner wall of the ventilator 3, the vent 21 is positioned at the center of the interior of each heating ring 20, the bottom of each heating ring 20 is fixedly connected with a lead 22, the bottom of each lead 22 is fixedly connected with a rheostat 23, the periphery of each rheostat 23 is slidably connected with a conductive column 24, the bottom of each conductive column 24 is fixedly connected with a push rod 25, and the outer side of each push rod 25 is fixedly connected with a movable column 26, an air spring 27 is fixedly connected to the bottom of the moving column 26, an air bag 28 is fixedly connected to the bottom of the air spring 27, the rheostat 23 is fixedly connected to the inside of the ventilator 3, the conductive column 24 is slidably connected to the outside of the rheostat 23, the air bag 28 is located at the center of the bottom of the ventilator 3, a chassis 29 is fixedly connected to the inner wall of the outside of the ventilator 3, a return spring 30 is fixedly connected to the top of the chassis 29, an extrusion rod 31 is fixedly connected to the top of the return spring 30, the heating ring 20 is fixedly connected to the inside of the ventilator 3 through the arranged transmission rod 19, the heating ring 20 is electrified to generate heat through the matching use of the rheostat 23 and the conducting wire 22, moisture in the air entering the ventilation opening 21 is evaporated, when the wind power in the ventilation pipe 7 is increased, the return spring 30 is pulled through the extrusion rod 31 to extrude the air bag 28 in the ventilator 3, the air spring 27 is extended by conveying the air in the air bag 28 into the air spring 27, the push rod 25 drives the conductive column 24 to move on the periphery of the rheostat 23 by matching the air spring 27 with the movable column 26, so that the resistance value of the rheostat 23 is reduced, when the resistance value is reduced, the current in the heating ring 20 is increased, the heat generated by the heating ring 20 is increased, the moisture in the air can be completely evaporated, and the harm of residual harmful substances to human bodies is prevented.
The working principle is as follows: the air enters the air inlet cover 12 through the arranged air inlet cover 12, larger particles in the air are filtered under the action of the filter cartridge 13, the prefilter 8 is matched with the toxin filter 6 to filter harmful substances in the air, the motor 2 is matched with the ventilator 3 to discharge the filtered air, when the filter cartridge 13 needs to be replaced, the extrusion cover 14 on the outer side of the air inlet cover 12 is pulled, the extrusion cover 14 drives the connecting rod 15 to move in the air inlet cover 12, the fixing disc 16 is driven to be away from the filter cartridge 13 through the movement of the connecting rod 15, the filter cartridge 13 can be easily taken out for replacement, when the new filter cartridge 13 is replaced, the extrusion cover 14 is pushed, the connecting rod 15 drives the fixing disc 16 to move, the filter cartridge 13 in the air inlet cover 12 is fixed, and the positioning column 17 is matched with the groove 18 for use, so as to prevent the fixed disk 16 from moving in the air inlet cover 12, the heating ring 20 is fixedly connected in the ventilator 3 through the transmission rod 19, the rheostat 23 is used in cooperation with the conducting wire 22, so that the heating ring 20 is electrified to generate heat, the moisture in the air entering the ventilation opening 21 is evaporated, when the wind power in the through pipe 7 is increased, the return spring 30 is pulled through the extrusion rod 31 to extrude the air bag 28 in the ventilator 3, the air in the air bag 28 is conveyed into the air spring 27 to extend the air spring 27, the pushing rod 25 drives the conductive post 24 to move on the periphery of the rheostat 23 through the cooperation of the air spring 27 and the moving post 26, so that the resistance value of the rheostat 23 is reduced, and when the resistance value is reduced, the current in the heating ring 20 is increased, at this time, the heat generated by the heating coil 20 is increased, so that the water in the air can be completely evaporated, and the harm of the residual harmful substances to the human body can be prevented.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a poison filtering ventilation unit of removable filter core, includes base (1), its characterized in that: the top fixedly connected with motor (2) of base (1), the outside fixedly connected with ventilation blower (3) of motor (2), the top fixedly connected with of ventilation blower (3) goes out tuber pipe (4), the one end fixedly connected with pipe (5) of motor (2) are kept away from in ventilation blower (3), the outside fixedly connected with of pipe (5) strains poison ware (6), the bottom fixedly connected with siphunculus (7) of straining poison ware (6), the top fixedly connected with prefilter (8) of siphunculus (7), the top fixedly connected with hose (9) of prefilter (8), the top fixedly connected with of hose (9) shows circle (10), the outside fixedly connected with connecting pipe (11) of showing circle (10), the one end fixedly connected with air inlet cover (12) of showing circle (10) are kept away from in connecting pipe (11), the utility model discloses a ventilator, including the air inlet cover (12), the inside swing joint of air inlet cover (12) has cartridge filter (13), the outside swing joint of air inlet cover (12) has extrusion cover (14), one end fixedly connected with linking pole (15) that extrusion cover (14) is close to air inlet cover (12), the one end fixedly connected with fixed disk (16) that extrusion cover (14) were kept away from to linking pole (15), the inboard fixedly connected with reference column (17) of extrusion cover (14), recess (18) are seted up to the inside of air inlet cover (12), the inside fixedly connected with transfer line (19) of ventilation blower (3), the bottom fixedly connected with heating collar (20) of transfer line (19), vent (21) have been seted up to the inside of heating collar (20), the bottom fixedly connected with wire (22) of heating collar (20), the bottom fixedly connected with rheostat (23) of wire (22), the periphery of the rheostat (23) is connected with a conductive column (24) in a sliding mode, the bottom of the conductive column (24) is fixedly connected with a push rod (25), the outer side of the push rod (25) is fixedly connected with a movable column (26), the bottom of the movable column (26) is fixedly connected with an air spring (27), the bottom of the air spring (27) is fixedly connected with an air bag (28), the outer side inner wall of the ventilator (3) is fixedly connected with a chassis (29), the top of the chassis (29) is fixedly connected with a return spring (30), and the top of the return spring (30) is fixedly connected with an extrusion rod (31).
2. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: motor (2) fixed connection is in the position of base (1) top positive center, it is located the position of ventilation blower (3) top positive center to go out tuber pipe (4).
3. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: the number of the toxin filters (6) is two, the two toxin filters (6) are connected through a through pipe (7), and the prefilter (8) is located on the left side of the toxin filters (6).
4. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: the top parts of the toxin filter (6) and the prefilter (8) are fixedly connected with a hose (9), and the filter cartridge (13) is positioned in the center of the inside of the air inlet cover (12).
5. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: the squeezing hoods (14) are uniformly distributed on the outer sides of the air inlet hoods (12), the distance between every two squeezing hoods (14) is the same, and one ends, far away from the squeezing hoods (14), of the connecting rods (15) are movably connected to the inner portions of the air inlet hoods (12).
6. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: the fixed disc (16) is uniformly distributed in the air inlet cover (12), the number of the positioning columns (17) is the same as that of the grooves (18), and the positioning columns (17) and the grooves (18) are located on the same plane.
7. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: the number of the transmission rods (19) is two, the transmission rods are symmetrically distributed in the ventilator (3), and the top of each transmission rod (19) is fixedly connected to the inner top wall of the ventilator (3).
8. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: the periphery of heating circle (20) is to laminating with the inner wall of ventilation blower (3), vent (21) are located the position of heating circle (20) inside positive center.
9. A replaceable cartridge toxin filter vent apparatus as defined in claim 1 wherein: the rheostat (23) is fixedly connected to the inside of the ventilator (3), the conductive column (24) is connected to the outer side of the rheostat (23) in a sliding mode, and the air bag (28) is located in the center of the bottom of the ventilator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404249.5A CN114130140A (en) | 2021-11-24 | 2021-11-24 | Filter element replaceable toxin filtering and ventilating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404249.5A CN114130140A (en) | 2021-11-24 | 2021-11-24 | Filter element replaceable toxin filtering and ventilating device |
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| CN114130140A true CN114130140A (en) | 2022-03-04 |
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| CN202111404249.5A Pending CN114130140A (en) | 2021-11-24 | 2021-11-24 | Filter element replaceable toxin filtering and ventilating device |
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Application publication date: 20220304 |