CN220608898U - External cooling system for positive pressure oxygen respirator - Google Patents
External cooling system for positive pressure oxygen respirator Download PDFInfo
- Publication number
- CN220608898U CN220608898U CN202322217631.6U CN202322217631U CN220608898U CN 220608898 U CN220608898 U CN 220608898U CN 202322217631 U CN202322217631 U CN 202322217631U CN 220608898 U CN220608898 U CN 220608898U
- Authority
- CN
- China
- Prior art keywords
- positive pressure
- pressure oxygen
- cooling system
- external cooling
- bin
- Prior art date
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 30
- 239000001301 oxygen Substances 0.000 title claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 239000002826 coolant Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses an external cooling system for a positive pressure oxygen respirator, and relates to the technical field of emergency rescue equipment. The external cooling system for the positive pressure oxygen respirator comprises a breathing bin, a cleaning tank combination and a cooling device, wherein the cooling device comprises a cooling pipe, and a storage bin is fixedly connected to the outer wall of the cooling pipe; the bin cover is detachably connected to the surface of the storage bin; and a discharge assembly disposed on a surface of the bin cover. The external cooling system for the positive pressure oxygen respirator realizes that the bin type positive pressure respirator can safely and reliably add new cooling medium through the ice injection port at any time in the use process, and meanwhile, the screw plug can be unscrewed to discharge ineffective cooling liquid, so that the cooling effect of the positive pressure respirator is further improved, the performance of the whole machine is improved, and the closed circulation process of the positive pressure oxygen respirator cannot be influenced in the replacement process.
Description
Technical Field
The utility model relates to the technical field of emergency rescue equipment, in particular to an external cooling system for a positive pressure oxygen respirator.
Background
The positive pressure oxygen respirator for mine rescue, fire protection and chemical defence is a closed-circuit breathing circulation system isolated from the outside, and is a protective device for people to wear in the operation or rescue in the toxic and harmful gas environment. Because the whole respiratory system is isolated from the outside, when the respiratory system is in closed cycle, the heat generated by chemical reaction of carbon dioxide CO2 exhaled by a human body and Ca (OH) 2 in the cleaning tank can continuously raise the inhalation temperature, and in order to reduce the temperature to the comfortable temperature felt by the human body during inhalation, the cooling tank is arranged outside a cabin of the existing (cabin) positive pressure oxygen respirator, and a cooling core is arranged in the tank or is directly arranged in the respiratory cabin. Before wearing, the cooling core is frozen, and when wearing the respirator, the cooling core is put into a respirator cooling tank or directly put into a breathing bin. During inspiration, the gas passes through the breathing bin to the connecting pipeline and then to the air passage between the cooling tank and the cooling core, the inspiration hose and the inspiration valve for breathing by a person.
In the prior art, as the cooling system is positioned in the closed circulation system of the (bin type) positive pressure oxygen respirator, the cooling efficiency cannot be changed when the cooling efficiency is reduced due to the increase of the workload or the lengthening of the working time in the working process of carrying personnel using the (bin type) positive pressure oxygen respirator, and the use comfort of the (bin type) positive pressure oxygen respirator is greatly reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an external cooling system for a positive pressure oxygen respirator, which solves the problems that the cooling efficiency cannot be changed when the workload is increased or the working time is prolonged, and the use comfort of the (bin type) positive pressure oxygen respirator is greatly reduced.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: an external cooling system for a positive pressure oxygen respirator comprises a breathing bin, a cleaning tank combination and a cooling device, wherein the cooling device comprises a cooling pipe, and a storage bin is fixedly connected to the outer wall of the cooling pipe; the bin cover is detachably connected to the surface of the storage bin; and a discharge assembly disposed on a surface of the bin cover.
Preferably, the discharging assembly comprises two groups of symmetrically arranged through holes, one group of through holes is fixedly connected with an ice injection port welding piece on the surface, and the other group of through holes is fixedly connected with a water discharge port welding piece on the surface.
Preferably, the inside of annotating ice mouth welding piece is pegged graft and is had the rubber buffer, be provided with anti-skidding circle on the outer wall of rubber buffer.
Preferably, the anti-slip rings are provided with a plurality of groups, and the anti-slip rings are distributed on the outer wall of the rubber plug.
Preferably, the internal thread of the water drain welding part is connected with a screw plug, and a sealing gasket is arranged between the screw plug and the surface of the water drain welding part.
Preferably, the inside of the screw plug is hollow, and the two sides of the screw plug are provided with exhaust holes.
Preferably, the top end of the screw plug is fixedly connected with a lug, and the lug is in a hexagonal prism shape.
Preferably, the side wall of the bump is provided with a through disassembly hole.
The utility model provides an external cooling system for a positive pressure oxygen respirator. The beneficial effects are as follows:
(1) When the external cooling system for the positive pressure oxygen respirator is used, the storage bin and the bin cover are assembled together, so that the bin cover and the storage bin form a whole, the cooling system is independent of the operation of the bin type positive pressure respirator, the bin type positive pressure respirator can safely and reliably add new cooling medium through the ice injection port at any time in the use process, meanwhile, the screw plug can be unscrewed to discharge invalid cooling liquid, the cooling effect of the positive pressure respirator is further improved, the performance of the whole machine is improved, and the closed circulation process of the positive pressure oxygen respirator cannot be influenced in the replacement process.
(2) When the external cooling system for the positive pressure oxygen respirator is used, the exhaust holes are exposed when the screw plug is rotated, one group of exhaust holes can be used for ventilation, the other group of exhaust holes can be used for exhausting a small amount of cooling medium, the screw plug is prevented from being completely separated from the screw plug, a user can conveniently use the screw plug manually or insert the screw plug into the screw plug by means of a tool, and convenience is brought to the rotating screw plug.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the expanded structure of the present utility model;
FIG. 3 is a schematic view of a cooling device according to the present utility model;
fig. 4 is a schematic view of the structure of the screw plug of the present utility model.
In the figure: 1. a respiration bin; 2. a clean tank combination; 3. a cooling device; 31. a cooling tube; 32. a storage bin; 33. a bin cover; 4. a discharge assembly; 41. an ice injection port welding piece; 42. a water discharge port welding piece; 43. a rubber stopper; 431. an anti-slip ring; 44. a screw plug; 441. an exhaust hole; 442. a bump; 443. disassembling the hole; 45. and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model provides an external cooling system for a positive pressure oxygen respirator, which comprises a breathing bin 1, a cleaning tank combination 2 and a cooling device 3, wherein the cooling device 3 comprises a cooling pipe 31, and a storage bin 32 is fixedly connected to the outer wall of the cooling pipe 31; the inside of the cooling tube 31 is hollow to facilitate air flow, and the storage bin 32 is provided at the periphery of the cooling tube 31 so that the cooling medium contacts with the side wall of the cooling tube 31, and the temperature of the air passing through the middle of the cooling tube 31 is lowered. A bin cover 33, the bin cover 33 being detachably attached to the surface of the storage bin 32; the bin cover 33 mainly seals the top end of the cooling pipe 31 and the storage bin 32; and a discharge assembly 4, the discharge assembly 4 being provided on the surface of the bin cover 33, the discharge assembly 4 being mainly used for safely and rapidly replacing the cooling medium during the operation of the positive pressure oxygen respirator.
The discharging assembly 4 comprises two groups of symmetrically arranged through holes, wherein the surface of one group of through holes is fixedly connected with an ice injection port welding piece 41, the surface of the other group of through holes is fixedly connected with a water discharge port welding piece 42, and cooling medium is conveniently injected and discharged through the arrangement of the ice injection port welding piece 41 and the water discharge port welding piece 42. The inside of the ice injection port welding piece 41 is inserted with a rubber plug 43, the outer wall of the rubber plug 43 is provided with a plurality of groups of anti-slip rings 431, and the plurality of groups of anti-slip rings 431 are distributed on the outer wall of the rubber plug 43 in an array manner. The rubber stopper 43 is arranged to seal the ice injection port welding piece 41, and the friction force between the rubber stopper 43 and the ice injection port welding piece 41 is improved through the plurality of groups of anti-slip rings 431, so that the connection tightness between the rubber stopper 43 and the ice injection port welding piece 41 is improved.
The inside threaded connection of drain port welding spare 42 has plug screw 44, be provided with sealed pad 45 between the surface of plug screw 44 and drain port welding spare 42, carry out the shutoff to drain port welding spare 42 through plug screw 44, and through with the leakproofness between plug screw 44 of sealed pad 45 improvement drain port welding spare 42, the inside of plug screw 44 is hollow form, and vent holes 441 have all been seted up to the both sides of plug screw 44, through set up hollow form in the both sides of plug screw 44, when rotatory plug screw 44, expose vent holes 441, a set of vent holes 441 can be discharged, another set of vent holes 441 can carry out a small amount of coolant to discharge, avoid plug screw 44 and complete separation. The top end of the screw plug 44 is fixedly connected with a lug 442, the lug 442 is in a hexagonal prism shape, the screw plug 44 is conveniently screwed down and unscrewed manually through the lug 442, a through dismounting hole 443 is formed in the side wall of the lug 442, and a user can insert the dismounting hole 443 into the dismounting hole 443 by means of a tool through the dismounting hole 443, so that convenience is brought to rotating the screw plug 44.
In the utility model, when in use, the bin cover 33, the ice injection port welding piece 41 and the water discharge port welding piece 42 are firstly subjected to seal welding by using special welding tools, the rubber plug 43 is arranged on the ice injection port welding piece 41, the sealing gasket 45 is sleeved into the screw plug 44, and the screw plug is arranged at the threaded hole of the water discharge port welding piece 42 and is screwed. And the storage bin 32 and the bin cover 33 are assembled together, so that the bin cover 33 and the storage bin 32 are integrated, the cooling system is independent of the operation of the bin type positive pressure respirator, so that the bin type positive pressure respirator can safely and reliably add new cooling medium through the ice injection port at any time in the use process, meanwhile, the screw plug 44 can be unscrewed to discharge invalid cooling liquid, the cooling effect of the positive pressure respirator is further improved, the performance of the whole machine is improved, and the closed circulation process of the positive pressure oxygen respirator can not be influenced in the replacement process.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An external cooling system for positive pressure oxygen respirator, includes breathing storehouse (1), clean jar combination (2) and cooling device (3), its characterized in that: the cooling device (3) comprises a cooling device,
the cooling device comprises a cooling pipe (31), wherein a storage bin (32) is fixedly connected to the outer wall of the cooling pipe (31);
a bin cover (33), wherein the bin cover (33) is detachably connected to the surface of the storage bin (32);
and a discharge assembly (4), the discharge assembly (4) being disposed on a surface of the bin cover (33).
2. An external cooling system for a positive pressure oxygen respirator according to claim 1, wherein: the discharging assembly (4) comprises two groups of symmetrically arranged through holes, one group of through holes is fixedly connected with an ice injection port welding piece (41) on the surface, and the other group of through holes is fixedly connected with a water discharge port welding piece (42) on the surface.
3. An external cooling system for a positive pressure oxygen respirator according to claim 2, wherein: the inside of annotating ice mouth welding piece (41) is pegged graft and is had rubber buffer (43), be provided with anti-skidding circle (431) on the outer wall of rubber buffer (43).
4. An external cooling system for a positive pressure oxygen respirator according to claim 3, wherein: the anti-slip rings (431) are provided with a plurality of groups, and the anti-slip rings (431) are distributed on the outer wall of the rubber plug (43) in an array mode.
5. An external cooling system for a positive pressure oxygen respirator according to claim 2, wherein: the internal thread of drain port welding spare (42) is connected with plug screw (44), be provided with sealed pad (45) between plug screw (44) and the surface of drain port welding spare (42).
6. An external cooling system for a positive pressure oxygen breathing apparatus as claimed in claim 5, wherein: the inside of the screw plug (44) is hollow, and the two sides of the screw plug (44) are provided with exhaust holes (441).
7. An external cooling system for a positive pressure oxygen breathing apparatus as claimed in claim 5, wherein: the top end of the screw plug (44) is fixedly connected with a lug (442), and the lug (442) is in a hexagonal prism shape.
8. An external cooling system for a positive pressure oxygen breathing apparatus as claimed in claim 7, wherein: the side wall of the lug (442) is provided with a through disassembly hole (443).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217631.6U CN220608898U (en) | 2023-08-17 | 2023-08-17 | External cooling system for positive pressure oxygen respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217631.6U CN220608898U (en) | 2023-08-17 | 2023-08-17 | External cooling system for positive pressure oxygen respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220608898U true CN220608898U (en) | 2024-03-19 |
Family
ID=90230080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322217631.6U Active CN220608898U (en) | 2023-08-17 | 2023-08-17 | External cooling system for positive pressure oxygen respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220608898U (en) |
-
2023
- 2023-08-17 CN CN202322217631.6U patent/CN220608898U/en active Active
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| GR01 | Patent grant |