CN219558516U - Fire-fighting self-rescue respirator with hidden air inlet holes and mask thereof - Google Patents
Fire-fighting self-rescue respirator with hidden air inlet holes and mask thereof Download PDFInfo
- Publication number
- CN219558516U CN219558516U CN202320125211.2U CN202320125211U CN219558516U CN 219558516 U CN219558516 U CN 219558516U CN 202320125211 U CN202320125211 U CN 202320125211U CN 219558516 U CN219558516 U CN 219558516U
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- air inlet
- cover
- air outlet
- tank body
- tank cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to a mask of a fire-fighting self-rescue respirator with an implicit air inlet hole, which comprises a tank body and an air inlet end tank cover, wherein the tank body is provided with an air inlet end grid plate, the canister is provided with an air inlet hole, the air inlet end tank cover and the tank body are connected together in a sealing and detachable way, the air inlet end grid plate and the tank body are fixedly connected together, the grid holes of the air inlet end grid plate form the air inlet hole, the air inlet end tank cover seals the air inlet hole, the air inlet end tank cover is provided with a limiting frame for limiting the arch-up amplitude of the air inlet end grid plate towards the air inlet end tank cover, and the air inlet end tank cover is arch-up towards the outside of the tank body. The utility model has the advantages of reliably realizing compaction of the filter material and less assembly process when the strength of the air inlet end grid plate is low, and solves the problems of more assembly processes and easy deflection and displacement of the air inlet end grid plate caused by the need of assembling the air inlet hole sealing piece when the traditional canister is assembled.
Description
Technical Field
The utility model relates to fire-fighting equipment, in particular to a fire-fighting self-rescue respirator with an implicit air inlet hole and a mask thereof.
Background
The utility model provides a fire control is worn and prevent apparatus of flue gas poisoning when being used for carrying out the fire control effect, includes the hood, is located the outside canister of hood and is located the face guard of hood, and the canister includes a jar body and a jar lid, and the jar body is equipped with the inlet port, and the jar lid is equipped with the venthole, and the face guard is equipped with the breathing in that is in the same place with the venthole butt joint and possibly, and the canister is used for filtering back human inhalation to the inhaled air. The existing fire-fighting self-rescue respirator has the following defects: the canister and the mask are of two independent structures, so that the sealing connection of the canister and the mask is troublesome, and the mask is of a rubber structure and is easy to deform, so that the mask cannot be reliably sealed on the face of a user to cover the mouth and the nose. Therefore, the inventor designs a 'cover-tank integrated fire-fighting self-rescue respirator' with a cover and a canister as a whole, but the improvement of the structure ensures that the canister body is closer to the face of a user when in use, and the heat generated by the filter material in the filter tank is easy to cause the facial discomfort of the user (namely, the face of the user can feel hot); in addition, the existing fire-fighting self-rescue respirator has the following defects: the air inlet end grating plate and the tank body are in a split state, an air inlet hole is formed in the tank cover, a limiting frame is arranged in the tank cover to support the air inlet end grating plate so as to prevent the grating plate from moving, the air inlet hole is sealed by a sticker or other modes, the sticker is detached for air inlet when the tank is used, the mode leads to more process steps (the step of installing a section sealing piece is omitted) during assembly, and the grating plate is easy to deflect and shift;
disclosure of Invention
The utility model aims to provide a fire-fighting self-rescue respirator with an implicit air inlet hole, wherein the air inlet end cover of the fire-fighting self-rescue respirator is outwards protruded, and the fire-fighting self-rescue respirator can reliably compact a filtering material when the strength of an air inlet end grid plate is low, so that the problems that an assembly process is more and the air inlet end grid plate is easy to deflect and shift due to the fact that an air inlet hole sealing piece is required to be assembled when the traditional canister is assembled are solved.
The technical problems are solved by the following technical proposal: the mask comprises a tank body, an air outlet end tank cover connected to the air outlet end of the tank body and an air inlet end tank cover connected to the air inlet end of the tank body, wherein an air outlet end grating plate is arranged in one end, connected with the mask, of the tank body, an air inlet end grating plate is arranged in the other end, the tank body, the air inlet end grating plate and the air outlet end grating plate enclose a filter material storage space, and an air inlet hole and an air outlet hole are formed in the canister. According to the technical scheme, the air inlet end grid plate and the tank body are fixed together, so that the grid plate is not required to be assembled when the filter is assembled, the tank cover is taken down to directly carry out air inlet, an air inlet hole is not required to be arranged on the air inlet end tank cover (the existing air inlet hole is integrated on the air inlet end grid plate through the technical scheme), the air inlet hole is not required to be sealed with a sealing piece (such as a sticker) when the filter is assembled, and the air inlet hole sealing process is omitted. In the process of filling the filter material into the filter material storage space, the filter material needs to be compacted, and the process can not be compacted due to deformation of the grid plate when the strength of the grid plate is low.
Preferably, the clearance between the limiting frame and the air inlet end tank cover is 5 mm or less.
Preferably, the air inlet end grid plate and the tank body are integrally formed together to realize fixed connection, and the air inlet end tank cover and the tank body are in threaded sealing connection. The manufacturing, the installation and the disassembly are convenient.
The utility model provides a establish fire control self-rescue respirator of implicit air inlet, includes canister and face guard, the canister is equipped with inlet port and venthole, the canister includes the jar body, connect the end of giving vent to anger at the jar body end tank cover and connect the end of giving vent to anger at the jar body inlet end tank cover, be equipped with the end grid board of giving vent to anger in the one end that the jar body is connected with the face guard, be equipped with the end grid board of admitting air in the other end, jar body, end grid board of admitting air and the end grid board of giving vent to anger enclose into filtering material storage space, and end tank cover sealing connection has the annular cover, end tank cover of giving vent to anger encloses into with the annular cover the face guard, the venthole set up in end tank cover of giving vent to anger is equipped with the venthole portion check valve that opens in the face guard, be equipped with the check valve mounting hole of intercommunication face guard inner external space on the annular cover, the check valve mounting hole installs the face guard portion check valve that opens towards face guard outside, its characterized in that the end tank cover and jar body sealing connection together can be dismantled, the end tank cover forms the inlet port with jar body sealing connection, the end grid board of admitting air end is connected together with the jar body and the end grid board of giving vent to anger encloses into the arch form the air inlet port, the end cover of arch forms the arch toward the end, the end cover of the end of admitting air.
Preferably, the end face of the air outlet end tank cover, which is far away from one end of the annular sleeve, is a convex surface, and the end face of the air outlet end tank cover, which is positioned at one end in the mask, is a concave surface. The tank cover is designed to be opposite to the existing arch direction (namely, arch towards the direction away from the face mask), so that the tank cover is far away from the face when the face mask is worn on the face, and accordingly, heat radiated to the face when the temperature of the tank cover is increased is less, and discomfort caused by burning is avoided.
Preferably, the gas outlet end tank cover and the tank body are detachably and hermetically connected together, and the gap at the minimum position between the gas outlet end tank cover and the gas outlet end grid plate is less than 5 mm. The limit fixing of the grid plate of the air outlet end can be directly realized through the cover of the air outlet end without arranging a supporting frame, and the structure is compact.
Preferably, the air outlet end tank cover and the tank body are in threaded sealing connection. The mask is convenient to be connected with and detached from the tank body. The detachable connection can be realized by bolts, buckles, hoops and other existing known manners.
Preferably, the end face of the air outlet end tank cover, which faces one end of the tank body, is provided with a plurality of isolation protrusions distributed along the circumferential direction of the air outlet holes, and an air outlet channel is formed between every two adjacent isolation protrusions. When the distance between the gas outlet end cover and the gas outlet end grid plate is close to achieve more precise limiting, the gas flowing out of each grid hole of the gas outlet grid plate can be ensured to flow out smoothly. The isolation bulges are connected together to form a closed ring, and the mode that the air outlet channel is designed as a through hole is the equivalent technical scheme of the technical scheme.
Preferably, the air inlet end grid plate and the tank body are integrally formed together to realize fixed connection, and the air inlet end tank cover and the tank body are in threaded sealing connection.
Preferably, the clearance between the limiting frame and the air inlet end tank cover is 5 mm or less.
The utility model has the following advantages: when in use, the distance from the face is large, the heat radiated to the face is less, and the comfort is good; the process steps are few during assembly.
Drawings
FIG. 1 is a schematic illustration of a canister of a fire-fighting self-rescue respirator with an implicit air intake aperture, the air outlet end canister cover not being shown;
fig. 2 is a schematic view of a fire-fighting self-rescue respirator with hidden air intake apertures.
In the figure: the air outlet end tank cover 1, the annular sleeve 2, the air outlet hole 3, the end face 5 of the air outlet end tank cover far away from one end of the annular sleeve, the end face 6 of the air outlet end tank cover at one end in the mask, the elastic sealing lip 7, the tank body 8, the air outlet hole part check valve 9, the check valve mounting hole 10, the air outlet end grid plate 11, the air inlet end grid plate 12, the filter material 13, the isolation bulge 15, the air outlet channel 16, the air inlet end tank cover 17, the limiting frame 18, the gap 19 between the limiting frame and the air inlet end tank cover, the support column 20, the blind hole 21, the extension section 22 and the grid hole 24 of the air inlet end grid plate.
Description of the embodiments
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1 in combination with fig. 2, a mask of a fire-fighting self-rescue respirator with hidden air intake holes comprises a tank body 8, an air outlet end tank cover 1 connected with the air outlet end of the tank body, and an air inlet end tank cover 17 connected with the air inlet end of the tank body, wherein an air outlet end grid plate 11 is arranged in one end of the tank body connected with the mask, an air inlet end grid plate 12 is arranged in the other end of the tank body, the air inlet end grid plate and the air outlet end grid plate enclose a filter material storage space, and the filter material storage space is filled with a filter material 13. The canister is provided with an air inlet and an air outlet 3. The air inlet end tank cover and the tank body are connected together in a sealing and detachable way and are connected together by screw threads. The air inlet end grid plate and the tank body are fixedly connected together, and are particularly integrally formed together. The grid holes of the air inlet end grid plate form an air inlet hole, the air inlet hole is closed by the air inlet end tank cover, the air inlet end tank cover is provided with a limit 18 for limiting the arch range of the air inlet end grid plate towards the air inlet end tank cover, and the air inlet end tank cover is arched towards the outer part of the tank body. The gap 19 between the limiting frame and the air inlet end tank cover is 5 mm.
Referring to fig. 2, a fire-fighting self-rescue respirator with hidden air inlets comprises a canister and a mask, wherein the canister is provided with the air inlets and air outlets 3, the canister comprises a canister body 8 and an air outlet end canister cover 1 connected with the air outlet end of the canister body, the air outlet end canister cover is connected with an annular sleeve 2 in a sealing manner, the air outlet end canister cover and the annular sleeve enclose the mask, the air outlets are arranged on the air outlet end canister cover, an air outlet one-way valve 9 which is opened towards the interior of the mask is arranged in the air outlets, a one-way valve mounting hole 10 which is communicated with the external space of the mask is arranged on the annular sleeve, and the one-way valve mounting hole is provided with a mask one-way valve which is opened towards the exterior of the mask. The end face 5 of the end cover far away from one end of the annular sleeve is a convex surface, and the end face 6 of the end cover located at one end in the mask is a concave surface. An air outlet end grid plate 11 is arranged in one end of the tank body connected with the mask, an air inlet end grid plate 12 is arranged in the other end of the tank body, and the tank body, the air inlet end grid plate and the air outlet end grid plate enclose a filter material storage space in which a filter material 13 is stored. The tank cover at the air outlet end is detachably and hermetically connected with the tank body, in particular to be connected together by threads. The minimum clearance between the air outlet end cover and the air outlet end grid plate is below 5 mm, and specifically: the end face of the air outlet end tank cover facing one end of the tank body is provided with a plurality of isolation protrusions 15 distributed along the circumferential direction of the air outlet holes, an air outlet channel 16 is formed between every two adjacent isolation protrusions, and the isolation protrusions are supported on the air outlet end grid plate, so that the gap between the air outlet end tank cover and the air outlet end grid plate is zero. The air outlet end grid plate is directly placed on the filtering material in the tank body. The air inlet end grid plate and the tank body are fixedly connected together, and are particularly integrally formed together, and more particularly, the canister is of a plastic structure, and the air inlet end grid plate and the tank body are injection-molded together. The end of the tank body far away from the mask is sealed and detachably connected with an air inlet end tank cover 17, and particularly is in threaded sealing connection together. The grid holes 24 of the grid plate at the air inlet end form an air inlet hole, the air inlet hole is closed by the tank cover at the air inlet end, and the tank cover at the air inlet end is taken down to realize air inlet when in use. The inlet end cap is provided with a stop 18 which limits the extent to which the inlet end grill plate arches towards the inlet end cap. The gap 19 between the limiting frame and the air inlet end tank cover is 5 mm. The air inlet end tank cover is arched towards the outside of the tank body.
The support column 20 is detachably connected in the mask, and the free end of the support column is positioned in the space surrounded by the elastic sealing lip or extends out of the mask through the space surrounded by the elastic sealing lip. The support column is connected with the air outlet hole in a threaded manner. The support column seals the air outlet. The end face of one end of the support column, which is connected with the mask, is provided with a blind hole 21, the air outlet hole is provided with an extension section 22 protruding into the mask, an internal thread is arranged in the blind hole, the extension section is provided with an external thread, and the support rod is connected with the air outlet hole through the external thread in a threaded connection manner.
Claims (10)
1. The mask comprises a tank body, an air outlet end tank cover connected to the air outlet end of the tank body and an air inlet end tank cover connected to the air inlet end of the tank body, wherein an air outlet end grating plate is arranged in one end, connected with the mask, of the tank body, an air inlet end grating plate is arranged in the other end, the tank body, the air inlet end grating plate and the air outlet end grating plate enclose a filter material storage space, and an air inlet hole and an air outlet hole are formed in the canister.
2. The mask of the fire-fighting self-rescue respirator with the hidden air inlet holes according to claim 1, wherein the clearance between the limiting frame and the air inlet end tank cover is below 5 mm.
3. The mask for a fire-fighting self-rescue respirator with hidden air intake holes according to claim 1 or 2, wherein the air intake end grid plate is integrally formed with the tank body to realize fixed connection, and the air intake end tank cover is in threaded sealing connection with the tank body.
4. The utility model provides a establish fire control self-rescue respirator of implicit air inlet, includes canister and face guard, the canister is equipped with inlet port and venthole, the canister includes the jar body, connect the end tank cover that gives vent to anger at the jar body and connect the end tank cover that gives vent to anger at the jar body inlet end, be equipped with the end grid board that gives vent to anger in the one end that the jar body is connected with the face guard, be equipped with the end grid board that gives vent to anger in the other end, jar body, end grid board that gives vent to anger and end grid board enclose into filtering material storage space, and end tank cover sealing connection has the annular cover, end tank cover that gives vent to anger encloses into with the annular cover the face guard, the venthole set up in end tank cover that gives vent to anger is equipped with the venthole portion check valve that opens towards the face guard in the venthole, be equipped with the check valve mounting hole of intercommunication face guard in the outer space in the annular cover, the check valve mounting hole installs the face guard portion check valve that opens towards the face guard outside, its characterized in that, the end tank cover is in a jar body sealing connection with the inlet end grid board that gives vent to anger, end grid board and jar body are fixed connection form filtering material storage space with the inlet port, the end grid board that gives vent to anger forms the arch towards the air inlet port, the end cover is the arch towards the end of the air inlet cover, the arch cover that the end of the arch of the air inlet.
5. The self-rescue fire-fighting respirator with hidden air inlet holes according to claim 4, wherein the end face of the air outlet end tank cover, which is far away from the end of the annular sleeve, is a convex surface, and the end face of the air outlet end tank cover, which is positioned at the end in the face mask, is a concave surface.
6. The self-rescue fire respirator with hidden air inlet holes according to claim 5, wherein the air outlet end cover and the tank body are detachably and hermetically connected together, and the gap between the air outlet end cover and the air outlet end grid plate at the minimum position is less than 5 mm.
7. The self-rescue fire-fighting respirator with hidden air inlet holes according to claim 6, wherein the air outlet end cover is in threaded sealing connection with the tank body.
8. The self-rescue fire-fighting respirator with hidden air inlet holes according to claim 6 or 7, wherein a plurality of isolation protrusions distributed along the circumferential direction of the air outlet holes are arranged on the end face of the air outlet end tank cover facing one end of the tank body, and air outlet channels are formed between the adjacent isolation protrusions.
9. The self-rescue fire-fighting respirator with hidden air inlet holes according to claim 4, 5, 6 or 7, wherein the air inlet end grid plate and the tank body are integrally formed together to realize fixed connection, and the air inlet end tank cover and the tank body are in threaded sealing connection.
10. The self-rescue fire-fighting respirator with hidden air intake holes according to claim 4, 5, 6 or 7, wherein the clearance between the limiting frame and the air intake end cover is below 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320125211.2U CN219558516U (en) | 2023-01-17 | 2023-01-17 | Fire-fighting self-rescue respirator with hidden air inlet holes and mask thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320125211.2U CN219558516U (en) | 2023-01-17 | 2023-01-17 | Fire-fighting self-rescue respirator with hidden air inlet holes and mask thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219558516U true CN219558516U (en) | 2023-08-22 |
Family
ID=87660971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320125211.2U Active CN219558516U (en) | 2023-01-17 | 2023-01-17 | Fire-fighting self-rescue respirator with hidden air inlet holes and mask thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219558516U (en) |
-
2023
- 2023-01-17 CN CN202320125211.2U patent/CN219558516U/en active Active
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